Seed treatment of drought-resistant sowing of Spring Maize
Seed selection and drying are carried out before sowing, uniform seeds are selected, and seeds are dried for three days in sunny days to improve germination potential, disease resistance and seedling uniformity. Germination test before sowing. The purity of selected seeds is not less than 96%, the purity is not less than 98%, and the germination rate is not. Seed coating. Corn seeds were coated with drought-resistant compound seed coating agent to prevent diseases and insect pests in seedling stage, and to enhance root vitality and self-resistance. Corn germinated seeds can not be coated to prevent phytotoxicity. Germination. 2 - 3 days before corn sowing, soaking seeds in water at 40 DEG C for 8-12 hours, taking out seeds, placing at room temperature of 20 - 25 DEG C for germination, and after the seeds are exposed to white, placing the seeds in a shady and dry place for airing for 6 hours for bud refining.
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The fertilization of spring corn should be light before and after fertilization.
The corn borer is the corn drill. At present, spring corn is in the final stage of heart and leaf (trumpet stage), which is the best time to control corn borer. During the trumpet stage, most of the newly hatched larvae of Ostrinia furnacalis climb into the heart tube and feed on the heart mesophyll that has not yet been unfolded.
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Key points of drought-resistant sowing and planting of Spring Maize
The main results are as follows: 1. The basic principles of basic fertilizer spring corn are as follows: base fertilizer, topdressing, farm fertilizer, chemical fertilizer, nitrogen fertilizer, phosphate fertilizer, ear fertilizer and grain fertilizer. Base fertilizer should generally account for about 70% of the total fertilization, and most phosphate fertilizers should also be applied in combination with base fertilizer, usually in combination with autumn ploughing in the first year. ...
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