High Yield Cultivation Techniques of Sunflower with Full Film Double Furrow Sowing in Chifeng City

On basis of expounding present situation of sunflower development in Chifeng city，planting method of sunflower full-film double-ridge planting was explored from many aspects，such as land preparation，fertilization and ridge raising，selection of improved varieties，soil disinfection，row and ridge laying，film mulching，application of seed fertilizer，seed coating treatment，timely sowing，reasonable close planting，strengthening field management and timely harvesting.It was expected to share technical experience with farmers，further improve sunflower yield and quality，and create greater benefits.