High-yield cultivation of buckwheat in southern China

The pre-harvest brackish buckwheat in the south is mostly corn, soybean, sweet potato and other crops, and cash crops such as cotton and peanuts. One of the problems in production is that the wheat sowing period is greatly affected by rainfall, and the drought year will delay the sowing date due to insufficient lyricism. In the rainy years, due to the stickiness of the soil, the sowing date must be delayed. The second is poor quality of site preparation and large spreading area. The third is that all fertilizers are relatively common at the end of one-time application. Fourth, seasonal droughts in some years require supplementary irrigation. Fifth, the pests and diseases are heavier. It has great potential for yield increase. Need to master the technical points: 1. Adhere to appropriate sowing, according to the region's ecological conditions and species characteristics of reasonable sowing date. 2. Select suitable varieties to avoid strong spring varieties in Huaibei and Jianghuai areas, so as to avoid winter and spring freezing damage. 3. Suitable soil preparation, promotion of mechanical drilling, and improvement of seeding quality. 4. To promote the shift of nitrogen fertilizer, the combination of base fertilizer and top dressing or top dressing fertilizer. 5. To strengthen the integrated control of pests and weeds. It is suitable for wheat fields with a latitude of 30-35 degrees north latitude, including those in Jiangsu, Anhui, Hubei, Sichuan, Chongqing and Henan provinces except for buckwheat.

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