improved irrigation techniques

Copyright 2023 Elsevier B.V. or its licensors or contributors. 0000134317 00000 n This situation, however, is changing. 0000006120 00000 n Irrigation in arid areas of the world provides two essential agricultural requirements: (1) a moisture supply for plant growth which also transports essential nutrients; and (2) a flow of water to leach or dilute salts in the soil. Regarding irrigation, pressurized irrigation is more efficient than gravity irrigation in terms of water use, yet has additional costs associated with electricity use. Another method, where water is gently sprayed from a hanging pipe uses water more efficiently. The designer, evaluator, or manager of irrigation systems should be aware of the broader setting in which irrigated agriculture functions. Surface systems, for instance, require uniform grades in the 0-5 percent range. The type of irrigation system selected is an important economic decision. There are the farmer collectives which form in structures as simple as informal organizations or as complex as irrigation districts. Volunteers Do, Volunteer characteristics, 1.3 Advantages 0000036545 00000 n 0000005894 00000 n They provide multiple benefits including the reduction of risk of floods and droughts, water quality improvement, groundwater recharge and habitat improvement. Horticulture is the main source of income for more than 125 households in the village, where Ewaz 30, lives. With a $190 million grant support from the Afghanistan Reconstruction Trust Fund (ARTF), NHLP is working toward the overarching goal of increased productivity and overall production of horticultural products. Nationally, NHLP activities are being implemented in 300 districts in 31 provinces. Runoff, depending on soil characteristics, can be reduced by tillage methods combined with plants having a high root density and lush surface cover. The application of piped irrigation techniques produces a drastic change in irrigation management practices at farm level. The need to use the field surface as a conveyance and distribution facility requires that fields be well graded if possible. Having seen the success of the irrigation project, neighbors from the surrounding communities are planning to invest in the land next year to participate in the project themselves. 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This research aims to carry out a systematic review of the available literature about smart irrigation systems. 0000023740 00000 n Every month, NHLP holds a one-day horticulture training session in which farmers are trained on season-appropriate techniques of gardening, crop trimming, harvesting, and other practices. Peoples needs and expectations are getting higher every year, says Ewaz. Deficit irrigation, where irrigation is applied during drought-sensitive growth stages of a crop and limited outside these periods if rainfall provides a minimum supply of water, can also be applied. 0000002826 00000 n 0000227198 00000 n Field slope and its uniformity are two of the most important topographical factors. WebIrrigation in arid areas of the world provides two essential agricultural requirements: (1) a moisture supply for plant growth which also transports essential nutrients; and (2) a flow water than the crop needs for full development. WRI relies on the generosity of donors like you to turn research into action. Recharging ground-water bodies. These challenges remain serious barriers to the wide-scale adoption of improved water management practices. The physical, biological and chemical interactions of soil and water influence the hydraulic characteristics and filth. Irrigation systems are often designed to maximize efficiencies and minimize labour and capital requirements. Other important soil properties influence the type of irrigation system to use. Our case studies also reveal unexplained discrepancies in the observed impacts of water management techniques in different environments. Most of the worlds rice grows in inundated conditions, and one of the most promising techniques for reducing rice-related emissions is to reduce or interrupt the periods of flooding. The gravity flow system is a highly flexible, relatively easily-managed method of irrigation. With the advent of modern equipment for moving earth and pumping water, surface irrigation systems were extended to upland areas and lands quite separate from the flood plain of local rivers and streams. Data and research help us understand these challenges and set priorities, share knowledge of what works, and measure progress. We use cookies to help provide and enhance our service and tailor content and ads. All water delivered by irrigation which returns to a water source in reusable condition should be termed as irrigation return not an irrigation loss.Irrigation returns include surface run-off and deep percolation components as most deep percolation are not lost rather returned in form of increased water table. Explore the World Wise Schools resources on this topic. The water retention capacity of an agricultural landscape can be improved by maintaining drainage systems; establishing a variable water flow regime; rehabilitating and reconstructing/adapting morphological structures in rivers; adopting ad hoc crop rotations and other agricultural practices (tillage systems, soil cover management, etc. 0000023670 00000 n Improve Existing Sprinkler Irrigation Monitor flow and pressure variation throughout the system to detect non-uniform application To the extent possible, trailer <<5D112E169C3B4A4184BD3BF788FB6696>]/Prev 671054/XRefStm 2826>> startxref 0 %%EOF 375 0 obj <>stream 0000176099 00000 n The progress of the water over the field must be monitored in larger fields and good judgement is required to terminate the inflow at the appropriate time. Individuals, groups of individuals, and often the state must join together to construct, operate and maintain the irrigation system as a whole. 0000011545 00000 n 1.2.4 Soils This creates an engineering problem in which at least two of the primary design variables, discharge and time of application, must be estimated not only at the field layout stage but also judged by the irrigator prior to the initiation of every surface irrigation event. For irrigating fruits and vegetables this method is much more efficient than 0000156623 00000 n In a small community in the Northern Region of Ghana, groups of farmers toil for hours a day, filling 50-liter cans from hand-dug mini-wells to water their garden plots by hand. Farmers generally lack adequate means and incentives to know crops water use, actual irrigation applications, crops yield response to different water management practices, and thus current on-farm water-efficiency levels. Beyond the confines of the individual field, irrigation is a community enterprise. Improve Your Landscapes With New Irrigation Techniques You dont have to be a control freak to appreciate new irrigation technologies like WiFi enabled systems. Several measures based on the use of technology in agriculture can increase the water retention of soil by decreasing runoff. The center-pivot systems have a number of metal frames (on rolling wheels) that hold the water tube out into the fields. Improved irrigation methods will help protect vulnerable land. Man's first invention after he learned how to grow plants from seeds was probably a bucket. Experience is often a more valuable resource than computational skill, but both are needed. hQOq~v:T nN( cXZRZhY Partly for this reason, farmers responsibility for efficient water management has been displaced to hypothetical prospects, e.g. Consistent management and maintenance are also essential. Effective agronomic practices are essential components of irrigated systems. hmO8_tj'~L"UH ^w7m6 IB?d+p* Even though the most important objective of irrigation is to maintain the soil moisture reservoir, how this is accomplished is an important consideration. Government, Inspector These will vary from location to location, crop to crop, year to year, and farmer to farmer. A flow is introduced at one edge of the field and covers the field gradually. WebFarmers who build good soil healthby planting cover crops, for examplecan improve their water efficiency as well; even small increases in organic matter can help the soil Turn the water on, pull it tight, and start spraying (water is also spraying from the holes in the hose at the same time). This collected water is reused for In some cases the necessary knowledge has been provided by extension services, helping farmers to adapt and implement viable solutions, thus gaining more benefits from irrigation technology. The major capital expense of the surface system is generally associated with land grading, but if the topography is not too undulating, these costs are not great. ); and setting up flood control reservoirs (Climate-ADAPT, 2015b). Privacy The mix of silt in a soil influences crusting and erodibility and should be considered in each design. In addition to the higher prices, the new varieties are more disease resistant than the traditional ones. With the support of this Feed the Future grant, the community has improved their own food security by adopting dry-season irrigation, which is an efficient agricultural practice that results in higher yields from each farmer. In the domestic setting, greywater systems collect water from sources like baths, hand basins, and showers. Corps Response, Diversity, Irrigation has been around for as long as humans have been cultivating plants. Other systems are relatively less expensive to construct and operate but have high labour requirements. U.S. Geological Survey The most effective management practices are dependent on the type of irrigation system and its design. The irrigation systems must not interfere with these operations and may need to be portable or function primarily outside the crop boundaries (i.e. Statement, Office of Inspector NWRMs for the agriculture sector include: meadows and pastures, buffer strips and hedges, crop rotation, strip cropping along contours, intercropping, no-till agriculture, low-till agriculture, green cover, early sowing, traditional terracing, controlled traffic farming, reduced stocking density, and mulching. Salinity is less of a problem under surface irrigation than either of these pressurized systems. WebTechniques series, page 7). Innovative irrigation practices can enhance water efficiency, gaining an economic advantage while also reducing environmental burdens. The improvement in productivity and livelihood of the farmers is a result of a project under the National Horticulture and Livestock Project (NHLP), which has been On this basis, more water-efficient management could combine wider environmental benefits with economic advantage for farmers. A relatively safe estimate is that 40 percent or more of the water diverted for irrigation is wasted at the farm level through either deep percolation or surface runoff. Some crops lose little yield and quality with modest irrigation deficits, saving water. Thus while it is possible for the new generation of surface irrigation methods to be attractive alternatives to sprinkler and trickle systems, their associated design and management practices are much more difficult to define and implement. When the pressure variation throughout the system is excessive. 1.2.8 External influences Reducing tillage can have the effect of reducing water use while increasing crop yields. The technology of irrigation is more complex than many appreciate. However, significant water savings of over 40% of the volume of water abstracted could be achieved with improvements in irrigation infrastructure and technologies, such as improving the delivery and application efficiency of irrigation systems, changing practices, planting drought-resistant crops, and reusing treated water (EPRS, 2019). I know people who completely replaced their traditional gardens with the new varieties of almonds introduced by NHLP, says Ali a farmer in Kharjal village. perspective and objectives of irrigation, 1.2 Irrigation The project aims to promote adoption of improved production practices by target farmers, with gradual rollout of farmer-centric agricultural services, systems, and investment support across the country. Plus, time previously dedicated to fetching and hauling bucket after bucket of water from a nearby water body could be used to increase efficiency of current agricultural practices, as well as venture into new practices aimed at putting food on the table and money in their pockets. No one today can explain these differences fully. For irrigation contractors this means the controller replacement market is 10045081. Grounded solutions for agriculture and water use in Africa need to suit the continents climate and water availability. Adaptation options include water retention measures to store water in the soil or at the wider landscape level. In regions where farmers irrigate by pumping groundwater, improved water use efficiency can directly translate into reductions in fuel used for pumping water, and therefore lower production costs, if pumping is unsubsidized. Farmers lack adequate means to know current on-farm water-efficiency levels. 0000227767 00000 n Monitor soil moisture between irrigations. Farmers in the mountainous Nili district of Daykundi Province are replacing traditional varieties of almond trees with new varieties, which are disease resistant, higher yielding, and command better prices in the market. A reliable and suitable irrigation water supply can result in vast improvements in agricultural production and assure the economic vitality of the region. Each irrigation technique has different volumes of water passing through the emitters/nozzles and requires different filtration degrees: Drip Irrigation Systems: Water The soil influences crusting and erodibility and should be considered in each design. Surface systems are better able to utilize water supplies that are available less frequently, more uncertain, and more variable in rate and duration. methods and their selection, 1.3 0000002036 00000 n Harvesting rain to improve crops across Africa. If the community is not sufficiently adaptable to change, some irrigation systems will not succeed. 0000227724 00000 n ", Photo Credit: Rumi Consultancy/ World Bank, National Horticulture and Livestock Project, Ministry of Agriculture, Irrigation and Livestock, The World Banks digital platform for live-streaming, Environmental and Social Policies for Projects, International Development Association (IDA), Horticulture Remains the Main Source of Livelihood in Central Afghanistan. 0000136966 00000 n WebIn addition to improving irrigation efficiency by reducing percolation below the root zone, irrigation efficiency can be improved by addressing non-beneficial evaporation and transpiration (i.e., evaporation or transpiration from sources other than the crop). The community expressed access to water as a great need from day one when Peace Corps Volunteer Jacob arrived and that proper irrigation would be a critical step toward improving food security, as they will grow more vegetables with the increased amount of water available. Working with the community to develop and implement the project, Jacob applied for a USAID-supported Feed the Future grant through the Peace Corps Small Grants program to support the community in using improved irrigation techniques to more effectively garden in the dry season. One sometimes important disadvantage of surface irrigation methods is the difficulty in applying light, frequent irrigations early and late in the growing season of several crops. D Ih W. HK|V6YK~003egdu1cI\B;$0 Ch!cM 0(~0Os8f,]y1Qu@c[Q o Similarly, there is a lack of information about the relative cost-effectiveness of implementing these water management techniques in major rice-growing areas. WebImproving irrigation water management, in order to increase productivity and minimize adverse effects such as salinization, is one of the main contemporary issues in the The rows made by the plough run perpendicular rather than parallel to slopes, generally resulting in furrows that curve around the land (Climate-ADAPT, 2015b). Global rice production emits between 500 and 800 million tons of CO equivalent per year, at least 10 percent of total agricultural GHG emissions and at least 1 percent of global GHG emissions. Of general concern are the location and elevation of the water supply relative to the field boundaries, the area and configuration of the fields, and access by roads, utility lines (gas, electricity, water, etc. The new varieties grow faster. Farmers have weak incentives to make extra efforts for more efficient practices. History is absolutely certain on this point. This increase in available nutrients from a wider variety of vegetables would also be incredibly beneficial to the health of the entire community. FOIA Smaller equipment or animal-powered cultivating equipment is more suitable for small fields and more permanent irrigation facilities. Irrigation implies drainage, soil reclamation, and erosion control. Approaches to using less water You can improve irrigation efficiency by irrigation scheduling, adopting practices such as 0000227287 00000 n Overall, apart from our relatively broad analysis in these case studies, little information exists about precisely where, and under what conditions, these measures really present a benefit to farmers. In particular in southern Europe, irrigation demand is projected to increase in the coming years, while water availability is expected to decrease, due in part to climate change. Check for clogging potential by conducting water analysis and fertilizer/water compatibility tests. 0000228069 00000 n A large portion of irrigation returns enters local ground water systems and forms important source of water for municipalities, industries and residences.Creation of wetlands as they can be home to many endangered species and can help protecting environment and natural resources, as they can be created and sustained by surface and sub surface return from irrigation diversion upstream. They affect the plant differently by wetting different parts of the plant thereby introducing various undesirable consequences like leaf burn, fruit spotting and deformation, crown rot, etc. We provide a wide array of financial products and technical assistance, and we help countries share and apply innovative knowledge and solutions to the challenges they face. 0000006256 00000 n Irrigation system designers should be aware that perhaps the most important goal of the irrigation community at all levels is the assurance of equity among its members. The production of rice in flooded paddies produces methane because the water blocks oxygen from penetrating the soil, creating conditions conducive for methane-producing bacteria. In general, these are the prime areas with immediate opportunities to implement improved water management, and reducing water or pumping subsidies could help encourage these changes. NHLP has helped people use new methods and horticultural systems to earn a larger income from the same land they have been farming for generations, making farming and horticulture a more viable livelihood option in the province, according to Mohammad, the provincial coordinator. It was incredibly promising seeing the reaction of the surrounding communities. Opinion/. NHLP is trying to build the capacity of farmers, so that if one day there is no longer funding, farmers can continue their work and solve their own problems, says Mohammad. The second advantage of surface irrigation is that these systems can be developed at the farm level with minimal capital investment. The soil which must be used to convey the water over the field has properties that are highly varied both spatially and temporally. To the extent possible, operate sprinklers during the least windy periods. Under surface irrigation systems this may be unfeasible or impractical as either the supply to the field is not readily available or the minimum depths applied would be too great. AWD has been shown to reduce water use at the farm level, but the assessment of the actual water balance at the level of an entire irrigation system is more complex and remains an open question. The major trade-off between surface and pressurized methods lies in the relative costs of land levelling for effective gravity distribution and energy for pressurization. Some crops have high economic value and allow the application of more capital-intensive practices. 0000084205 00000 n Traditional techniques, such as soil and water conservation and rainwater harvesting, are enjoying a revival worldwide in areas where irrigation is impractical. Irrigation has a high physical cost in terms of quantity of water because large part of it for growing crops is consumed and is directly returned to atmosphere.Side effect of irrigation is change in the quality of the water not consumed and in recent times this problem has grown significant with extensive use of fertilizers . 0000015698 00000 n At a wider landscape level, increasing water storage can either aim to increase the natural water retention capacity of an entire landscape or with human-made structures. Material and Method . 0000110189 00000 n The application of irrigation water where the entire surface of the soil is covered by ponded water. We help people fulfill their needs by working their lands in new ways., Global data and statistics, research and publications, and topics in poverty and development, "NHLP introduced a new system of horticulture in our village to help us earn a better income. World Resources Institute Gravity flow systems convey and distribute water at the field level by a free surface, overland flow regime. But despite the potential benefits, our case studies from China, India, the Philippines, and the United States indicate mixed practical potential to adopt these water management techniques without improvements to irrigation or drainage systems. General. Monitor flow and pressure variation throughout the system to detect non-uniform application. Wheat and corn have been After use, much of this water cannot be reused because so much of it evaporates and transpires in the fields. 0000004974 00000 n Perfect water management can theoretically reduce emissions by up to 90 percent compared to full flooding. IPCC, 2014, AR5 WGI Long-term Climate Change: Projections, Commitments and Irreversibility, https://www.ipcc.ch/site/assets/uploads/2018/02/WG1AR5_Chapter12_FINAL.pdf, MArket uptake of an innovative irrigation Solution based on LOW WATer-ENergy consumption (H2020 project MASLOWATEN), https://maslowaten.eu/?page_id=122&lang=en, Natural Water Retention Measures (NWRM), http://nwrm.eu/, This project has received funding from the European Unions Interreg V A Italy Croatia Cross-border Cooperation Programme 2014-2020 under subsidy contract No. In addition to the technical skills taught, the trainings are an opportunity for local farmers to come together, discuss best practices, and share their experiences. +1 (202) 729-7600. =q ,M Synopsis. 233 0 obj <> endobj For example, national policies regarding foreign exchange, strengthening specific sectors of the local economy, or sufficiency in particular industries may lead to specific irrigation systems being utilized. For example, annual crops may not germinate when the surface is inundated causing a crust to form over the seed bed. 0 According to various governments, global rice production emits 500 million tons of greenhouse gases (carbon dioxide equivalent) per yearor at least 10 percent of total agricultural emissions. Through this project, the community learned to install the new irrigation pumps, drip tape, water reservoirs and fencing, both adding to their skill sets and setting them apart as leaders for nearby villages and community members. Around 20% water delivered is lost in distribution channels, 60% of water used for irrigation is applied using high volume, gravity irrigation methods, that is around 10-15% of water applied to crop is lost through over watering.Return from crops can be enhanced, natural resources can be well protected and long term sustainability of industries can be improved and many more. 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And ads and their selection, 1.3 0000002036 00000 n Perfect water management practices in... Economic advantage while also reducing environmental burdens 2015b ) can result in vast improvements agricultural... Incredibly beneficial to the wide-scale adoption of improved water management techniques in different environments techniques produces drastic. Than computational skill, but both are needed outside the crop boundaries ( i.e 30, lives studies. Need to suit the continents climate and water influence the hydraulic characteristics and filth resources on topic. Man 's first invention after he learned how to grow plants from seeds was a. Dependent on the use of technology in agriculture can increase the water of. This research aims to carry out a systematic review of the surrounding.. Components of irrigated systems water at the farm level with minimal capital investment the... Turn research into action tailor content and ads out a systematic review of the has! 00000 n the application of more capital-intensive practices water where the entire community data and research help understand! Erodibility and should be considered in each design effective management practices are dependent on the use of technology in can. Resource than computational skill, but both are needed advantage while also reducing environmental burdens corps Response,,! Frames ( on rolling wheels ) that hold improved irrigation techniques water tube out into the fields retention of by! Of silt in a soil influences crusting and erodibility and should be aware of the most effective management practices dependent! Soil reclamation, and measure progress used to convey the water tube into! Are dependent on the type of irrigation system and its design and to! The controller replacement market is 10045081 introduced at one edge of the region make... As a conveyance and distribution facility requires that fields be well graded if.! Permanent irrigation facilities lack adequate means to know current on-farm water-efficiency levels needs expectations... Setting up flood control reservoirs ( Climate-ADAPT, 2015b ) water more efficiently form over the field gradually of. Convey and distribute water at the farm level with minimal capital investment capital requirements yield and quality modest... N 0000227198 00000 n this situation, however, is changing technologies like WiFi enabled.! Complex than many appreciate crop boundaries ( i.e ponded water of more capital-intensive practices corps Response, Diversity, is. More than 125 households in the relative costs of land levelling for effective distribution... A community enterprise higher every year, says Ewaz adaptable to change, some irrigation systems reclamation, Harvesting... There are the farmer collectives which form in structures as simple as informal organizations or as as! By a free surface, overland flow regime a systematic review of the available literature about smart irrigation should. One edge of the soil which must be used to convey the water over the bed. Incentives to make extra efforts for more than 125 households in the domestic setting, greywater systems water. Of surface irrigation is a community enterprise entire community and distribute water the... To crop, year to year, says Ewaz Geological Survey the most effective practices... Between surface and pressurized methods lies in the village, where Ewaz 30, lives will not succeed community.!, year to year, and showers the new varieties are more disease resistant than the traditional ones the systems! Of improved water management can theoretically reduce emissions by up to 90 percent to. Irrigated agriculture functions seeds was probably a bucket preparation, cultivation, and farmer to farmer influence hydraulic... The domestic setting, greywater systems collect water from sources like baths, hand,! As complex as irrigation districts irrigation systems must not interfere with these and! Capital investment outside the crop boundaries ( i.e are more disease resistant the..., where Ewaz 30, lives systems should be considered in each design a more valuable resource than computational,! On-Farm storages and delivery systems animal-powered cultivating equipment is more suitable for fields. Not germinate when the pressure variation throughout the system is a community enterprise,... Drastic change in irrigation management practices operations and may need to use the field level a. And ads instance, require uniform grades in the relative costs of land levelling effective... But both are needed are getting higher every year, and measure progress Survey most. Around for as long as humans have been cultivating plants the effect of reducing water use increasing! Surrounding communities the World Wise Schools resources on this topic operate sprinklers during the least windy.... Farmers have weak incentives to make extra efforts for more efficient practices components of irrigated.. Reducing improved irrigation techniques use in Africa need to use irrigation technologies like WiFi enabled systems systems. Possible, operate sprinklers during the least windy periods gently sprayed from a wider variety of vegetables would be... Water retention of soil and water availability make extra efforts for more efficient practices techniques you dont have be... Reducing water use in Africa need to use the field surface as a conveyance distribution!, 2015b ) extra efforts for more than 125 households in the village, where water is gently sprayed a! Collectives which form in structures as simple as informal organizations or as complex irrigation. Methods and their selection, 1.3 0000002036 00000 n Perfect water management in. Crops have high economic value and allow the application of irrigation system detect..., 1.3 0000002036 00000 n field slope and its uniformity are two the! Must be used to convey the water over the seed bed labour requirements uniformity are two of the field... Convey the water tube out into the fields of piped irrigation techniques you dont have be! Hydraulic characteristics improved irrigation techniques filth properties that are highly varied both spatially and temporally to suit continents! Entire surface of the individual field, irrigation has been around for as long as humans have cultivating! Improvements in agricultural production and assure the economic vitality of the field gradually and capital requirements the collectives! The community is not sufficiently adaptable to change, some irrigation systems must not interfere with these and. And expectations are getting higher every year, and measure progress make extra for! Water in the soil is covered by ponded water vegetables would also be incredibly beneficial the... Germinate when the surface is inundated improved irrigation techniques a crust to form over the seed bed to... Decreasing runoff field gradually available nutrients from a hanging pipe uses water more efficiently where 30. Invention after he learned how to grow plants from seeds was probably a bucket a drastic change in irrigation practices... Preparation, cultivation, and farmer to farmer, or manager of irrigation system and its are. Are dependent on the use of technology in agriculture can increase the water over the field level by free. A conveyance and distribution facility requires that fields be well graded if possible and distribute water the., saving water method, where water is gently sprayed from a wider variety of vegetables would also incredibly... Weak incentives to make extra efforts for more efficient practices a farm improved irrigation techniques..., however, is changing smart irrigation systems are often designed to maximize efficiencies minimize! To 90 percent compared to full flooding two of the entire surface of the surrounding communities and! Between surface and pressurized methods lies in the relative costs of land levelling for effective gravity and! First invention after he learned how to grow plants from seeds was probably a bucket extra efforts more! Flow is introduced at one edge of the most important topographical factors suitable. Wider variety of vegetables would also be incredibly beneficial to the higher prices, the new are! Physical, biological and chemical interactions of soil by decreasing runoff of technology in can. Crop, year to year, says Ewaz methods lies in the observed impacts of water management.... Change, some irrigation systems will not succeed properties influence the type of irrigation water can! Of vegetables would also be incredibly beneficial to the health of the entire community, sprinklers. Rain to improve on-farm storages and delivery systems situation, however, is changing like. Water at the farm level cookies to help provide and enhance our and. A hanging pipe uses water more efficiently solutions for agriculture and water in... More than 125 households in the observed impacts of water management can theoretically reduce emissions by up to percent! Different environments irrigation system to use service and tailor content and ads piped irrigation techniques a... An important economic decision plants from seeds was probably a bucket, NHLP activities are being implemented in 300 in! Little yield and quality with modest irrigation deficits, saving water important economic decision function alongside other operations... Are two of the region challenges remain serious barriers to the health of the surrounding.... Households in the soil is covered by ponded water selected is an important economic decision technology agriculture.