1. Harvest dwarf beans from sowing to early harvest, spring sowing 50 to 60 days, autumn sowing about 40 days. Harvest period is about half a month. Spring pods of wild peas, which are affected by low temperature during the early growth period, grow slowly. From sowing to early harvest 60 to 90 days. Autumn sowing sowing to early harvest 40 to 50 days, harvesting period of 30 to 45 days or longer. The seeds of the bean are enriched during its fruit development. 10 to 15 days after flowering can be harvested; the temperature is low, 15 to 20 days after flowering, and high temperature is about 10 days after flowering. When the pods are rounded off from flat, the color changes from green to light green, the appearance is shiny, and the seeds should be harvested when they are slightly exposed or not yet exposed. 2. The preserved kidney bean is a self-pollination plant, cross-pollination is only 0.2 to 10%, in order to maintain the purity of excellent varieties, different varieties should be more than 100 meters apart. Dwarf species should choose to leave the middle fruit of the strong and disease-free plants for seeding. The vine species should be selected to retain the base and middle part of the plant, that is, the pods below the vine 1/3 height; the pods in the upper part of the plant are not full of seeds and should not be selected for retention. In addition to the seedlings except the species, the rest of the nurses should be removed. The seed development of kidney bean is completed approximately 25 to 30 days after flowering. When the pod turns from greenish yellow to yellow, when the twists and turns do not break easily, it is matured and harvested in time. Seeds for spring sowing can be harvested in spring last year or in autumn, but better in autumn last year. Because of the autumn seeding, the seeds are full and full, the germination rate is high, and the emergence is also neat. The germination rate of seeds can generally be maintained for 3 years, but the seeds harvested in the previous year are mostly used in production. China Agricultural Network Editor
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