Autumn harvesting techniques for Dutch beans
First, set up fertilizer. After the late-season harvest of cotton, rice, sweet potatoes, etc. in autumn, the crops were soon destroyed. One-time application of 3,000 kg of organic fertilizer, 10 kg of urea, 50 kg of superphosphate, 15-20 kg of potassium sulfate, and appropriate application of plant ash to make a 2 meter east-west rake with a height of 25 cm. 20 cm wide.
Second, the appropriate sowing. The suitable sowing date for the Yellow River Basin is generally from October 15 to November 5. The sowing date was too early. Sowing seasons in the Jianghuai region where winter temperatures are higher may be delayed until mid-late November. When sowing is not good, it can be appropriate to sprinkle water with small points, not flood irrigation. Before sowing, avoid sowing large water before emergence, so as not to affect the emergence. Seeding can be used in large and small rows, 60 cm in big rows, 40 cm in small rows, 20-25 cm in plant spacing, and 2 or 3 seeds per hole. Sow cover soil 2 to 3 cm.
Third, field management. Before winter, soybean seedlings are sickle-shaped, and they can pay attention to cutting loose soil to form strong seedlings to facilitate overwintering. According to the weather forecast, before the cold current arrives, a layer of plastic film can be directly covered on the seedlings of Dutch bean. In areas with northern winter temperatures falling to -10°C, east-west wind barriers can be set up with corn stover. Before and after the beginning of spring, the temperature rises, timely scratching, loosening the soil, raising the temperature, and pouring water together with the flood water, levying the seedling fertilizer urea 10 kilograms to promote early adult emergence, early flowering and scab. Conditions can be covered at this time with a small shed, so that the Dutch bean can be brought to the city for 15 days for better efficiency. In early March, cotton stalks and branches can be used to slightly support the ventilation of the field, which can significantly increase the yield. The first flowering period and full flowering period of the bean in the Netherlands should be topped with 10 kg of urea and 15 kg of urea, respectively. Foliar spray 920, plant power 2003, potassium dihydrogen phosphate and other plant growth regulators and trace fertilizers.
Fourth, harvest and pest control. It takes 7 to 10 days for the Dutch beans to blossom from flowering. The first batch of beans should be picked with scissors as much as possible to prevent them from turning and affecting the yield. In the later period, if cabbage caterpillar and soybean meal harm, available chrysanthemum pesticide and phoxim mixed control.
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