Time cultivating and weeding. The cultivator should be shallow before and after the seedlings, and the cultivator should be deep before and after the jointing stage, and the distance between the rows can reach about 10 cm. Seedlings are usually cultivated twice. Herbicides can be sprayed on the surface before seedling after sowing and can also be carried out at the seedling stage. When spraying, it must be used together with the new high-fat film to increase the efficiency and at the same time prevent the infection of the bacteria.
Timely top dressing. Fertilizers at the seedling stage are root-enhancing, strong seedlings, and leaf-promoting and strong culms. They are usually carried out after the seedlings are set to the jointing stage. The three types of seedlings, such as thin seedlings, narrow leaves, long yellow leaves and lack of nutrition, and transplanted seedlings, must be top-dressed with Miaofei and sprayed with photosynthetic film fertilizer to help plants absorb large amounts of light and light energy. , light, compatible with conventional fertilizers, nutrients for plant growth and development to the limit.
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