Nguyễn Thị Lẫm (trang 107-110)
Từ khoá: biện pháp, thâm canh, năng suất, lúa, đất đồi núi
Research results – some intensive cultivation practices of rainfed rice for sustainable development in hilly-mountainous areas
Results of some intensive measures on upland rice in the NMR. In the NMR upland rice areas remain 440.000 ha. N is becoming the limiting factor affecting rice yield. 7 N rates viz 0, 20, 40, 60, 80, 100, 120 N/ha for loc variety and 5N rates viz 0, 30, 60, 90, 120 N/ha for CH133 variety were tested 120 N 80P 40K/ha for CH133 variety should be recommended. Results showed as increase by more than 14kg padding for each kg N applied.