New High-yielding Soybean Variety--Gaoyou 1 Cultivation Technique
Gaoyou No. 1 soybean is the latest soybean variety introduced from the demonstration base of Muxie District of Heze City, Shandong Province (www.?mdjq.com). The plant height 85 to 90 cm, the main stem 16 to 18, 7 or more branches per plant, very short internodes, extremely dense scars, generally 1/15 hectares produce 400 to 500 kg, high-yield plots It can reach 600 kilograms. According to our experimental practice, the following points of cultivation management are summarized:
First, fertility, enough to sow soil conditions is one of the factors that determine the quality of sowing, the leveling of land not only can greatly improve the quality of sowing, but also create good conditions for the later management. Before the planting, 2 tons of high-quality farmyard fertilizer or 15-20 kg of compound fertilizer is used as the base fertilizer per acre. • Creating better soil conditions and planting seedlings to ensure that seedlings are fully grown is an important requirement for the high yield and yield of soybeans. Insufficient soil moisture at the time of sowing may cause difficulty in seedling emergence, lack of seedlings and ridges, and severely affect soybean production. Seeding 3060cm line spacing sowing, 2 per hole. Prior to sowing, the seed dressings were applied to prevent underground pests.
Second, timely set the seedlings, fertilizer and water management, such as soil preparation, soil moisture, poor sowing techniques and other reasons, resulting in lack of seedlings broken ridge, seedlings, should be transplanted as soon as possible after the first true leaves grow. During the seedling stage, animals such as hares should be prevented from sprouting. Before soybean doubling, cultivating 2 or 3 times of cultivating can prevent weeds at seedling stage, reduce the damage of weeds, protect pods, promote down seedlings, and cultivate strong seedlings. Phosphorus and potassium fertilizers are very important to soybeans and can be used as base fertilizers as well as top dressings. The available nitrogen can be applied at the seedling stage, branching stage, or early flowering stage. At this time, the root nodule has not been completely formed, and the nitrogen fixation ability is weak. The amount of nitrogen fertilizer is preferably 15-20 kg of ammonium phosphate per acre. Soybeans need more water during the whole growth process, from branching to flowering, and the requirement of water for soybeans begins to increase, and timely irrigation can promote the growth and development of soybeans. Flowering to drum grain stage is the key period for soybean water demand, and it is necessary to supply water in a timely manner. Soybean filling during grain filling period has a significant role in promoting soybean yield and quality.
Third, the regulation of growth, prevention and control of pests If more rainy days, large precipitation, will lead to excess plant nutrient growth, reproductive growth inhibition. At this point should be properly sprayed paclobutrazol, auxin and other growth regulators, moderate inhibition of vegetative growth, promote reproductive growth, improve resistance to lodging. If the fertility in the late growth period is insufficient, potassium dihydrogen phosphate fertilizer may be sprayed. There are many kinds of soybean diseases, including soybean mosaic virus disease, soybean cyst nematode disease, soybean downy mildew, soybean root rot, leaf spot disease and other fungal or bacterial diseases, with fungicides for drug control. There are many types of soybean pests, such as floorworms, cabbage caterpillars, and cotton bollworms at the seedling stage; bridges, pod moths, and pupa horses, etc. are available in the middle and late stages, and can be controlled by drugs such as enemy kills and all spirits. Blind stink bugs and point bee sting bugs damage the leaves and stem tips, damage seeds, and have strong migratory ability. They are difficult to control, and they are more harmful. They can be sprayed every 15 days for 1 kill. Loose powder.
Heze City, Shandong Province Mudan District Association of Science Contact: Feng Chunxian
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