Determining sensor-based field capacity for irrigation scheduling
نویسندگان
چکیده
منابع مشابه
Using Wireless Sensor Networks for Precision Irrigation Scheduling
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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Intraseasonal water allocation to a single crop has been studied extensively. Previous studies have emphasized the need to coordinate irrigation scheduling with several factors including economic and physical constraints, amount of soil moisture available at the time of irrigations, growth stage of the plant, interactive effects from previous and/or subsequent irrigation, and the effect, timing...
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Adoption of decision support services (DSS) based on crop growth models has been poor and yet the concept of transferring an increasing body of scientific knowledge via DSSs remains attractive. This study explores the use of the Internet and participatory action research (PAR) to develop an irrigation management service called WaterSense for sugarcane irrigators in Australia. WaterSense combine...
متن کاملdetermining soil indices and water balance for scheduling an irrigation control center
nowadays, the limitation of water resources are added on the importance of detailed planning including the estimated timing and amount of irrigation water. this is possible with considering the soil indices and water balance. the measured soil field capacity of some with two lab and field measurement methods were 21% and 19/8% respectively and the permanent wilting point were determined 12% as ...
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In this paper optimal irrigation scheduling based on a dynamical model is analyzed, and global optimality is proved with the use of sufficient conditions. Krotov’s method of global bounds and Hamilton-Jacobi-Bellman formalism have been used.
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ژورنال
عنوان ژورنال: Agricultural Water Management
سال: 2021
ISSN: 0378-3774
DOI: 10.1016/j.agwat.2021.106860