1, scientific fertilizer After easing the seedlings, 20 kg of ammonium sulfate was applied at the beginning of the tillering stage, 15-20 kg of ammonium sulfate was applied during the flood season, and 5-7 kg of ammonium sulfate was applied during the meiosis period. Paddy field top dressing should follow the principle of lighter and lighter. In the later period, according to the growing situation of rice and soil fertility, appropriate amount of potassium dihydrogen phosphate can be sprayed to increase the seed setting rate. 2, reasonable irrigation It is usually managed by shallow water irrigation and dry-dry-wet-and-wet methods. The shallow water layer at the beginning of the tillering stage, the seedlings exposed in the field, and the field were kept in the shallow water layer during heading and flowering, alternating between dry and wet after heading and cutting off the water for 1 week before harvest. 3, timely control of pests and diseases The use of rice Feng Ling to prevent and treat 1-2 times of pupa, 5-7 days before the emergence of DT fungicide spray or copper ammonium 1, to prevent the occurrence of rice smut. Nuts Seed Kernel include walnut kernel, sunflower seeds kernel, sunflower seed kernel etc., which are excellent food with rich nutrition. Seed Kernel,Kernel Fruit,Walnut Kernel,Pumpkin seed kernel, sunflower seed kernel Xi'an Gawen Biotechnology Co., Ltd , https://www.seoagolyn.com