Vegetable soybean, also known as edamame, is characterized by its large size and large grain size. It is convenient for husking when vegetables are eaten, has good cooking properties, is strong and has good taste. Choosing different types of vegetable soybean varieties to be planted in different stages can greatly extend the period of listing, which can not only balance the supply market, but also increase economic income. Premature soybeans can be sown with mulch film before and after March 15th, and open-field cultivation is generally planted before and after Qingming. It takes 70-95 days to harvest from the sowing until the last harvest. Among them, the earlier mature Shanghai 95-1, the whole growth period is about 80 days, and can be harvested at the earliest 65 days after sowing. The average yield per mu is 600 kg and 350 kg per mu. About 100 grams of fresh weight is about 60 grams, and the rate of production is 58%. With good quality, it is one of the most favored varieties in the Shanghai market. Similar breeds include early-born white birds and white bird kings, which are early maturing varieties of early soybeans. The relatively late-maturing Nippon No. 3 was harvested at the earliest 72 days after sowing and was a mid-maturing variety of early soybeans. The average yield of fresh sorghum 800 kg, 450 kg of fresh grain. With a fresh kernel weight of 67 grams, it is one of the largest varieties of seeds in early-maize soybeans and suitable for quick-freeze processing and export. Similar varieties are Liaoxian No. 1, Japan Green, Taiwan 292, Taiwan 75, etc., which is the late-maturing varieties of early soybeans. Semi-summer beans are generally sown in mid-May and harvested from the end of July to early August. Representing the variety of "Qi Liuqing", the average yield of fresh oysters is about 600 kilograms, and the one hundred fresh weights are 58 grams. Xia Maodou is more sensitive to light response, and premature sowing may cause the branches and leaves to grow long and the yield is extremely low. They must be sowed in summer or in autumn. These varieties generally have high protein content and good taste. The representative varieties are Su Nei Qing No. 2, Chuxiu, and Haihai No. 13. Suineqing 2 was planted in mid-June and harvested in mid-September. 600 kg of fresh produce per mu and 150 kg of dried seeds per mu. Grain flat oval, seed coat green. Chuxiu generally produces 550 kilograms of fresh alfalfa, yellows of seed coats, 28 grams of dry seeds and 28 grams of pod weight, and is suitable for export. The sea system has 13 limited knot habits, yellow seed coat, and 100 dry weight of 45 grams. It is usually planted in mid-June and mature in mid-October. Cultivate vegetables with soybeans, the following points should be mastered: 1 timely planting early soybean sowing should not be too late. Summer soybeans should not be planted too early with soybeans, and generally should be planted in late June. Seeding is too early. 2 Properly dense planting of small varieties can be properly planted in close proportion, and larger varieties of grains should be sparsely planted. 3 Reasonable fertilization General basal fertilizer applied 25% compound fertilizer 40 kg, 10 kg of urea for flowering promotion. 4 In addition to weeding, weed herbicides such as soybean grass net and acetochlor can be sprayed on the soil surface before sowing seedlings, or can be sprayed and weeded at the third leaf stage of soybean seedlings. 5 Timely harvesting of vegetable crops Soybeans generally receive only green barley, and should not be preserved. Otherwise, the seeds will be smaller and more pests and diseases will occur.
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