Ziyunying, also known as Hua Zizi, is an important organic fertilizer resource and the main winter green manure crop in paddy fields. It plays an important role in improving soil, fertility and promoting the development of grain production. Spring management mainly performs the following tasks:
(a) Ditch drainage to keep the soil dry. Timely clear the ditch, deepen the ditch and ditch, so that the rain ditch ditch no water.
(b) Spring fertilization. After spring, Ziyunying has fast growing stems and leaves, and it needs a large amount of fertilizer. Spring fertilizer application period in early March, Mushi urea 2.5 to 3 kilograms, potassium chloride 3 to 4 kilograms, gray fertilizer 100 to 200 kilograms.
(C) make-up application of fertilizer. Ziyun Ying's use of boron, molybdenum and other trace element fertilizers have good results, especially for the better effect of leaving the fields. The application method is better with foliar spray. Spraying concentration: borax 0.1-0.15% solution, ammonium molybdate 0.05% solution, spraying period is mid-to-late March.
