Management Techniques of Winter Wheat Field in Dryland of Sichuan Hilly Land

1. Grab the weeding in the wheat field. Due to the moist soil and good sensation, most of the wheat fields have many weeds. Even in the fields where chemical weeding has been carried out before sowing, there are more weeds. Wheat, jade, and vegetable crops are recommended. Instead of using herbicides, they can be used for weeding and weeding after harvesting vegetables (radish, cabbage, vegetables, etc.).

2. Strengthen weak seedlings to promote seedling management. For wheat fields with small populations and weak seedlings, we should promote the management of fertilizer and water. At present, the soil is relatively moist, and the method of combining urea with farmyard manure can be used to carry out topdressing as soon as possible to increase the rate of ear formation, increase the number of grains per panicle, and make up for the deficiency of the group.

3. Strengthen pest and disease monitoring and control. The monitoring of pests and diseases should be strengthened, and timely forecasting of pests and diseases should be issued. When the occurrence of pests and diseases reaches the standard of prevention and control, the method of unified prevention and control can be adopted. One spray can prevent multiple (50% anti-converse WP 10-15 g or 10% imidacloprid wettable powder per acre, 20 g of water in the morning dew Spray even after drying or after 4 pm; use 15% Avi 哒螨 乳 乳 or pyrethroid emulsifiable concentrate per acre to spray after 4 pm.).