134results about How to "Improve water utilization" patented technology

A prefabricated irrigation water intake and drainage control device for a paddy field comprises an open slot base fixed on a ridge, a full-closing hand-operated gate and a semi-closing hand-operated gate, wherein the open slot base comprises a water intake gate groove, a right socket body, a left socket body and a bottom socket; the right socket body, the left socket body and the bottom socket together form the water intake gate groove of which the upper end is open; two socket grooves are formed in the open slot base; the full-closing hand-operated gate and the semi-closing hand-operated gate are respectively inserted in the two socket grooves. After the prefabricated irrigation water intake and drainage control device for the paddy field is embedded in the ridge, the paddy field can be irrigated accurately, drainage is controlled, the ridge does not need to be excavated and filled repeatedly, and the water layer of the paddy field is maintained; the prefabricated irrigation water intake and drainage control device for the paddy field is simple, convenient and feasible, can be popularized and applied, greatly reduces the labor intensity of farmers for water control, saves management and control time, completely prevents water leakage of the ridge, can effectively control the water layer of the paddy field according to the requirements on water intake and drainage in different growth periods of paddy rice, improves utilization ratio of agricultural water and avoids water resource waste.