irrigation water
An Assessment of Irrigation Water Quality and Selected Soil Parameters at Mutema Irrigation Scheme, Zimbabwe
... quality irrigation water and continued use of this water leads inexorably to increasing salinization and sodification problems and ultimately results in increased cost of production and crop failures ...
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Irrigation Water Salinity and Crop Production
... of irrigation water with boron concentra- tions in excess of ...that irrigation water with boron at or slightly above this level cannot be used ...soil water and is taken up by the ...
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Optimization of equitable irrigation water delivery for a large-scale rice irrigation scheme
... for irrigation supply, judicious decision of water allocation strategies, prediction of proper command areas, determination of crop-water demand and cropping pattern to suit water availability ...
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Valuation of Irrigation Water at Shagordari, Jashore, Bangladesh
... contaminated water in drain has become a serious threaten condition to groundwater for Intensive ...of irrigation and ...SSP. Irrigation water quality index model was considered best fitted ...
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Changes in crop evapotranspiration and irrigation water requirements
... Marica and Busuioc (2004) predicted the fact that crop evapotranspiration (ET c ) would increase especially during the crop growing season in the southern parts of Romania. In this context, Paltineanu et al. (2007a,b; ...
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Mediterranean irrigation under climate change: more efficient irrigation needed to compensate for increases in irrigation water requirements
... on irrigation water require- ments in the Mediterranean region are simulated with a newly developed version of the LPJmL model that considers 88 % of irrigated areas and represents the special structure of ...
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Maximizing Irrigation Water Productivity for Corn (Zea Mays) by using Deficit Irrigation
... applied irrigation water have maximum values in full irrigation treatment ...total irrigation water applied were remarked when deficit irrigation was imposed at flowering growth ...
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Irrigation Water Use Services Model Based on the Water Optimization
... the irrigation sector. The decline in water resources both in terms of quantity and quality also make a triggers the problem of water distribution when there is an imbalance between demand and ...
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Evaluation of irrigation water salinity and leaching fraction on the water productivity for crops
... fraction according to irrigation water salinity. In the present study, eight levels of irrigation water salinity (ECw = 0.25, 0.50, 0.75, 1, 2, 3, 4, and 5 dS/m) and 39 levels of LF values ...
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Estimating polyacrylamide concentration in irrigation water
... increase assay precision, additional sets of PAM standards were prepared using irrigation water containing varying con- centrations of sediment (Table 1, Options 1 and 2).. The assay pro[r] ...
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Managing Irrigation Water Quality
... and borate compounds, respectively. Therefore, laboratories commonly report these elements in terms of concentration of these compounds. However, as these elements are also essential nutrients, it is helpful to know the ...
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Irrigation Water Quality Evaluation of Aldelam Groundwater
... the water, sodium adsorption ratio (SAR), sodium concentration (Na%), electrical conductivity (ìmhos/cm), and amounts of individual chemicals, such as, chloride (Cl), sodium (Na), nitrate (NO 3 ), calcium (Ca), ...
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Tail Irrigation Water Problem with Value Engineering
... of irrigation water is a challenge frequently occurs at Canal Tail-end ...the water shortage at CT, analyse functions of canals, develop creative ideas, assess creative ideas based on evaluation ...
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Recirculating Irrigation Water
... Runoff water stored in a sump can be pumped to increase the incoming water supply during the advance period of an irrigation and reuse stopped after the field begins to produce runoff, r[r] ...
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Improving Irrigation Water Use Efficiency of Robusta
... irrigated water to farm (m) Negative Ownership of irrigation system Positive Education level (dummy variable) Positive Farmer’s irrigation experience (years) Positive Extension contact (dummy ...
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Distribution Control and Measurement of Irrigation Water on the Farm
... that extends high enough to produce the required pressure in the surface pipe and are equipped with tubes or connec- tions for attachment of the surface line. Surface-pipe outlets may be[r] ...
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Canterbury’s irrigation water resources
... of irrigation and stock water ...how water is allocated and how this affects agriculture’s water supply ...of irrigation development, continues to increase demand for water ...
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Irrigation Water Management for the Next Decade
... where water ia not limited end ita coat is either very, very low or not based on volume, ia to eliminate W8 ter as a production-limiting ...excess water applics- tion are avoided by delaying ...
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Evapotranspiration and irrigation water requirements
... (2) is used to estimate crop ET when applicable crop coefficients are available. The basal crop coefficient curve, k represents conditions when the soil surface is visually dry, so tha[r] ...
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MANAGEMENT OF POOR QUALITY WATER FOR IRRIGATION
... of irrigation water ...in water are Ca, Mg, Na and K as cations and chloride, sulphate, bicarbonate and carbonate as ...of irrigation water and its suitability for irrigation ...
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