Before 1960 (according to Nguyen Xuan Hien and Associates, 1976), in India people had much research chose to create rice varieties. The results of these works that went to the direction chosen like this: Select high-yielding cultivars; Choose varieties according to the reactive ability of fertilizer fertilizers; Select the same as computer early; Select the same flood-resistant and water resistant; Select the same as salt and alkali-resistant properties of soil; Select the same as properties limited, fall prevention; Select rice varieties do not shed particles; Select rice varieties to combat wild rice; Select rice varieties under properties [30].
đang được dịch, vui lòng đợi..