نتایج جستجو برای: irrigation scheduling
تعداد نتایج: 110375 فیلتر نتایج به سال:
To meet rising global food demands, existing agricultural management strategies will need to be transformed mitigate the negative impacts of climate change on crop yields. Climate which includes elevated CO2, temperature increase, and in precipitation variability give rise uncertainties for predicting We used a multilayer canopy-root-soil model (MLCan) (i) explore adverse corn yields, (ii) inve...
The aim of this study was to compare a commercially-available radio-frequency (RF) spectroscopy soil moisture sensor with an array calibrated research-grade water reflectometers in no-till irrigated corn field from June September 2020. RF probe consisted 12 sensors spaced at 4-inch intervals across 48 inches length, while the four deployed along profile 4, 12, 20, and 28 in. depth. Soil were in...
Abstract In the context of growing evidence climate change and fact that agriculture uses about 70% all water available for irrigation in semi-arid areas, there is an increasing probability scarcity scenarios. Water optimization is, therefore, one main goals researchers stakeholders involved irrigated agriculture. Irrigation scheduling often conducted based on simple requirement calculations wi...
Irrigation scheduling methods have been used to determine the timing and amount of water applied crops. Scheduling techniques can include measurement soil content, quantification crop use, monitoring physiological response stress. The aim this study was evaluate performance a simplified canopy temperature (CTM) method as Principles. Soil Water Conservation Engineera technique schedule irrigatio...
Worldwide, irrigation uses about 69% of available freshwater resources (Fry, 2005). In the United States, 82% of freshwater resources are used for irrigation purposes. Major concerns on future planetary freshwater resources are the effects of climate change on changing sea temperature and levels, annual snowpack, drought and flood events, as well as changes in water quality, and general ecosyst...
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