In recent years, a number of new soybean varieties with strong branching ability and high yield per plant have been cultivated or introduced in China. Planting such soybeans not only saves provinces, saves fertilizers, and saves labor, but also produces high yields and high efficiency, which is in line with the trend of future development of agricultural production towards “light cultivationâ€. The promotion prospects are extremely broad and far-reaching. At present, the strong branching soybean new varieties include: Eighty-two trees suitable for planting in the northeastern region, Jugefeng, etc., suitable for planting varieties in the Huanghuai Haizuo area and its south areas are Jufeng, Fengdou No. 8, Super August blasts, extra large black beans, and rice fields. Cultivation of this type of soybean should pay attention to the following plant management techniques: 1. Apply base fertilizer. Every 667 square meters (1 acre) 20 kg of DAP, 15 kg of potash, or 40-50 kg of compound fertilizer. Fertilizers are applied at depths of 5 cm below the seeds, and farmyard fertilizers are also applied at points to concentrate nutrients. 2, timely sowing. Spring sowing in the open season is usually carried out before and after mid-April. Deep sowing, excessive suppression or excessive watering after sowing, and low-temperature sowing in advance will affect germination and emergence, and even cause stuffy buds and rotten species. 3, control density. Sowing density is an important factor that directly affects the yield of branched soybeans. To adapt to local conditions, rather do not thick, give full play to individual advantages. In the southwest and south of China, high temperatures and high light intensity make the plant type small and the density should be large. The row spacing is about 30 centimeters and 50 centimeters; in the East China and Central Plains, the planting is generally wheat or rapeseed, with a spacing of 40 centimeters. 50 cm; in the north and high-cold areas, generally spring sowing, long growth period, tall plant type, branches and more, should be sparse plant spacing 40 cm 60 cm. Only 2 seeds per hole were planted at the time of planting, and 1 seedling was left after emergence, and the lack of seedlings did not make up or dig seedlings and planted on rainy days. 4, field management 1 early set seedlings fill seedlings: in the first real leaf after the start of the seedlings, lack of seedlings make up seedlings, leaving 1 between each hole. 2 Cultivated and weeded plants: Large plant-type soybeans are sown and seedlings are severely weeded. Chemical weeding can be used before and after seedlings, and cultivating and weeding can be used in combination with soil cultivation. 3 topdressing fertilizer: According to the growing trend of the first flowering topdressing urea about 10 kg. The summer sowing of wheat bran, but no arable land, when the seedling height is about 20 cm, 50 kg of diammonium phosphate or compound fertilizer per 667 square meters of water once fertilizer. 4 foliar spray fertilizer: in the soybean seedlings, early flowering, drumsticks each spray 1, use of potassium dihydrogen phosphate, green Fenwei, molybdenum, etc., can increase production by more than 10%. 5 rational control: spraying 700-100010-6 paclobutrazol, can promote strong twigs and branches, enhance resistance, prevent falling flowers and falling. In the first flowering period, spray 1 time. After 15 days, it can be sprayed once more. 6 Pest Control: Several strong branch soybean varieties have strong disease resistance. Care should be taken to control locusts, pods, and borers, etc., spraying at the beginning of flowering, once every 15 days, and spraying 3-4 times, to ensure that the grain is intact, in order to increase the yield and commercial quality. In addition, in the case of grouting, the grains should be watered in the event of a special drought, once a day for 10 days, so that the grains will be full and high yields will be ensured.
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