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water resources management on the policy agenda. However, a stricter regulation of irrigation water tends to result in … weather derivatives may substantially alter farm plans as well as the optimal irrigation water demand. …
Persistent link: https://www.econbiz.de/10010939637
fertigation practices, 57% of the irrigation applied was lost via drainage, while 71% and 5% of fertilizer N inputs were lost … the crop N needs. The tested model was used to predict the impacts of a full irrigation (FIFC) and two regulated deficit … irrigation schemes (RDI75, RDI50) on drainage and N leaching. In FIFC the atmospheric demand was met while the application …
Persistent link: https://www.econbiz.de/10010939640
reservoirs were drawn down water availability for irrigation was cut. In 2007–2008 and 2008–2009, irrigators received about one … third of their pre-drought allocations. Understanding how the irrigation sector adapted to less water will help planning for … the next drought and a future in which irrigation water use will be reduced permanently in the basin. …
Persistent link: https://www.econbiz.de/10010930909
This article presents an econometric analysis of irrigation commodity area and revenue responses to varying commodity …, Australia. We find statistically significant evidence of irrigation area decline with reductions in water allocations and … irrigation revenue shrinking with area irrigated. Results also indicate hotter drier weather conditions experienced in the …
Persistent link: https://www.econbiz.de/10010930911
Most of the world's water entitlement and allocation regimes evolved during periods of abundance and, hence, are not well suited to the management of water scarcity. Development of the institutional arrangements necessary to manage changing demands and supplies is in its infancy.
Persistent link: https://www.econbiz.de/10010930916
respective rice yields for two irrigation practices: (i) continuous flooding (CF), a well-known water management practice in rice … cultivation used worldwide and (ii) a reduced irrigation scheme (RI) where irrigation is applied every 5 days resulting in a 1–2cm … water layer after irrigation. …
Persistent link: https://www.econbiz.de/10011208800
The reuse of winery wastewater (WW) could provide an alternative water source for vineyard irrigation. The shift of …. Irrigation with Na+- and K+-rich WW was simulated by applying solutions at sodium absorption ratio (SAR) values of 3, 6, and 9 …
Persistent link: https://www.econbiz.de/10011208807
room for rain during each irrigation event may minimize the risk of nitrate leaching. …
Persistent link: https://www.econbiz.de/10011208821
Efficient irrigation can help avoid crop water stress, undesirable levels of nutrient leaching, and yield reduction due … to water shortage, runoff or over irrigation. Gains in water use efficiency can be achieved when water application is … precisely matched to the spatially distributed crop water demand. Thus, greater irrigation efficiency will facilitate quality …
Persistent link: https://www.econbiz.de/10011208824
The 2011 and 2012 droughts considerably affected the Ogallala Aquifer supplying irrigation water for agricultural … irrigation in three High Plains states: Texas, Kansas and Nebraska, for five prevailing crops: corn, cotton, sorghum, soybean …
Persistent link: https://www.econbiz.de/10011208830