| 摘要 |
FIELD: agriculture. SUBSTANCE: method involves supplying water from water distributor to rice checks; providing discharge of outflow filtration water from checks into escape channels; utilizing filtration water for check flooding by means of water lifts; introducing nitrogenous fertilizers and herbicides. Utilization of filtration water is provided at the beginning of rice vegetation period. Before utilization of filtration water, it is mixed in water lifting device with water supplied from water distributor in the ratio of 1:3. EFFECT: increased rice yield owing to effective use of fertilizers, herbicides and water sources, improved quality of irrigation system and optimized amelioration state of system. 2 dwg |
