The production practice proved that the rape that was transplanted early before October 20th had a short seedling and tender leaves. In addition, the temperature was high and the light was strong. Even if one or two live trees were watered, most of the leaves would die. Heart leaves, and lack of trees, heavy weeds in the field. The transplanting period of rapeseed was postponed until late October to early November, and the seedling period was short. This ensured that rape could not grow strong before winter, and it could avoid convulsions before winter. The previous year the field did not need weeding, and later rape sclerotia was obvious. Reduce. Transplanting Daejeon uses 15 kg of monoammonium phosphate per acre, 10 kg of urea and potassium chloride each, and mix and spread to the soil after rotating. In this way, the fertilizer has high utilization rate, long-term fertilizer effect, no injury to seedlings, easy live trees, and quick hair growth. No fertilizer application before winter can guarantee strong seedlings to overwinter. After digging the trench, the Chaoyanggou was transplanted. According to the seedling condition, soil fertility and transplanting time, 6,000 to 8000 strains per acre were transplanted at an interval of 0.4 to 0.5 meters and the plant spacing was 0.2 to 0.3 meters. Appropriate sparse plant not only saves money, but also can make the rape stalk stout, effective branching more at the base, strong lodging resistance, and is conducive to ventilation and light, reduce the occurrence of pests and diseases, ensure high yield and stable production. Before the transplanting, the enemy was killed and the carbendazim mixture was sprayed on the seedbed to allow the seedlings of the rapeseed to be taken to the field. When raising seedlings, use hoe to dig deep into the soil to avoid seedlings and cut roots. Take roots as much as possible. Use a rooting agent to make a paste with the river mud and choose to transplant it in the afternoon or on a cloudy day. After planting, it is generally not necessary to pour water. In early March of the following year, when the pods are 3 to 4 cm in height, 20 kg of urea per acre is applied to the transplanting ditch, combined with the roots of the weeds. This can achieve a similar effect to the opening of the pond.
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