Breeding of Dutch beans

The Dutch bean, also known as soft pea or pea, is an annual climbing herb of the genus Peas. Native to southern Europe and the Mediterranean coast.

The growth cycle of Dutch beans is approximately 95 to 130 days, and the external environmental conditions are not very strict. The cold-tolerant vegetables of the genus Helminum are suitable for growth in the whole growth period from 16°C to 23°C. It has a strong need for light and moisture, and it is best to plant under humid and long-day conditions. The adaptability of the soil to the soil in the Netherlands, soil fertility requirements is not high, there is nitrogen fixation in the root nodules, but the soil is still loose and high organic content is appropriate. The Dutch bean should not be used for continuous cropping. It should be at least 4 to 5 years old.

The main cultivation techniques are as follows:

First, sowing dwarf varieties generally use drilling, row spacing 30 to 40 cm, with a seed amount of 10 to 15 kg per acre. Stretched varieties can be drilled or on-demand, spaced from 60 to 70 centimeters, 20 centimeters apart, and 6 to 8 kilograms per mu.

Second, watering and top dressing The whole growing period of the beans needs high air humidity and soil moisture. During flowering and seedling stage, the water requirement increases, water shortage is not allowed, and water can be poured for 1 to 3 days, as appropriate. During this period, nitrogen fertilizer and phosphate fertilizer can be applied with water or spray to increase the amount of scarring.

Third, the plug racks of Dutch bean species and semi-herm species climbing stronger, need to insert rack cultivation. When the seedlings grow to 30 cm in length, they should be promptly inserted into racks using bamboo rafts, etc., so that the vines of the Dutch beans can climb and grow. At the same time, the vines should be led upwards to keep the air and light in the rows.

Fourth, the harvest of Dutch beans is gradually mature from the bottom up, often the bottom of the soybean meal has begun to harvest, while the upper part is just beginning to flowering, harvest time of up to 1 month. Therefore, it is necessary to harvest in batches in batches. Generally, after 8 to 10 days after flowering, the grains are just beginning to grow and have not yet been expanded. The harvest is best, not too early or too late. Some varieties can also receive fresh beans in addition to harvesting. The harvesting standard is full of pods, dark green color, generally 15 to 18 days after flowering.

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