Winter sowing of spring bean harvesting in Holland
Wintering Dutch bean is a new kind of special vegetable. It is famous for its great taste and rich nutrition. It has been very popular in northern towns in recent years. Its cultivation techniques are as follows:
First, soil fertigation
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 to 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
Seeds can be planted with Kingfisher dwarf cultivars, such as Hollander beans, which are usually 12 to 16 centimeters long and are more popular in the market. 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. 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 below -10 degrees Celsius, 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 by about 20%. The first flowering period and flowering period of the bean in the Netherlands should be topped with 10 kg and 15 kg of urea, respectively, so that the water can be kept small. Pour, and spray 920, plant Baofeng (including 44% potassium), potassium dihydrogen phosphate and other plant growth regulators and trace element fertilizers.
Fourth, harvesting and pest control
It usually takes 7 to 10 days for Dutch beans to blossom from flowering, and the first batch of beans is picked with scissors as much as possible to prevent the vines from turning and affecting yield. In the later period, if cabbage caterpillar and soybean meal harm, available chrysanthemum pesticide and phoxim mixed control.
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