نتایج جستجو برای: irrigation scheduling

تعداد نتایج: 110375  

Journal: :International Journal of Current Microbiology and Applied Sciences 2017

Journal: :Agricultural Water Management 2021

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...

Journal: :Kansas Agricultural Experiment Station Research Reports 2021

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...

Journal: :Irrigation Science 2021

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...

Journal: :Agricultural Water Management 2022

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...

2012
John D. Lea-Cox

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...

Journal: :INTERNATIONAL JOURNAL OF AGRICULTURAL ENGINEERING 2018

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