Document Type : Research Paper
Authors
1 research center and educational agriculture and natural resource kohgiloye va boyer ahmad province
2 Assistant Professor, Forests, Rangelands and Watershed Management Research Department, Kohgiluyeh & Boyerahmad Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization
3 Assistant Professor of Soil Conservation and Watershed Management institute, AREEO, Karaj, Iran.
4 Assistant Professor of Forests, Rangelands and Watershed Management Engineering, Kohgiluyeh & Boyerahmad Agricultural and Natural Resources Research and Education Center, AREEO, Kohgiluyeh & Boyerahmad, Iran.
Abstract
The concept of water productivity is to produce the best and most products by spending the lower amount of water. in this study water productivity was investigated with field surveys, field measurements and remote sensing analysis. For this purpose, in the first stage, water resources condition of the Basht aquifer investigated. in the next step, the cultivated area of Basht aquifer was investigated using Sentinel-2 satellite images in Google Earth Engine. Then, the agricultural condition of the aquifer investigated through questionnaire by farmers and experts. In the next step, the water requirement of the current cultivation pattern was calculated by the Penman-Monteith method. Finally, by evaluating the products in terms of productivity indicators, the water productivity of different products was determined. Penman-Monteith method calculations indicated that the water requirements of the aquifer dominant crops, including Citrus fruits, wheat, barley, corn, rapeseed, watermelon, branches, legumes and alfalfa respectively were 9170, 5630, 4821, 7863, 5411, 9291, 20234, 5225, 14083 cubic meters per hectare, respectively. In total, the amount of water consumed by the agricultural products in aquifer Basht is 45 million cubic meters, that approximately equivalent to 1 cubic meter per square meter of the aquifer cultivation area and and this amount is much more than the aquifer agriculture programmable water (17 million cubic meters).
Keywords
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