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Experts say that in terms of varieties, we must choose suitable soybean varieties suitable for cultivation in the region, including Zhonghuang 13, Qidou 24, Kiddpea 28, Qi 9675, Chenke 928, Xudou 15, Huaidou 10, Guandou 2 , cowpea 19, Zhoudou 12, Zheng 92116, Zheng 196, Zheng 9805, Zheng 9525, Qihuang 31, Hedou 12, Hedou 15, Luning 1, Zhonghuang 22, Zhonghuang 24, Zhonghuang 41 , Zhonghuang 42, Wuxing 1, Hudou 12, Luanhuang 13, Qiudou 17, Qidou No. 5, Qidou No. 6, Qidou No. 5 and Qidou 56 are the preferred varieties. Special reminder should be given to the farmers to do their own germination tests as soon as possible, and seeds with low germination rate should be appropriately increased.
In a low-lying soybean field, pods are easily formed, causing soil moisture saturation, lack of oxygen, impaired root absorption, poor soil microbial activity, and affecting soybean growth. Experts suggest that digging and irrigation trenches in soybean fields should be dug before sowing, so that drought irrigation and flooding can be performed. At the same time pay attention to crop rotation, to prevent the damage and spread of soybean cyst nematode disease. Before sowing, 50% carbendazim, 50% thiophanate-methyl and other fungicides were used for seed dressing. Ammonium molybdate was added during seed dressing to increase soybean emergence rate and nitrogen fixation capacity.
The sooner the soybeans are sown, the better; in addition, mechanical seeding is required to deepen the seed fertilizer. Note that the seed is separate from the fertilizer. The seed fertilizer is deeper than 10 cm. Generally, 20 kg of soybean compound fertilizer is applied per acre, or 10-20 kg of phosphoric acid diamine. . For the stubble-seeded plots, combined with cultivating stubble, 3000-4000 kg of high-quality farmyard manure is added per acre.
The key technology for increasing soybean production is the proper close planting, especially for early maturing varieties, and appropriate close planting. Experts pointed out that on the basis of ensuring the germination rate and the number of seedlings, precise seeding, mechanical homogenization or small area artificial precision on demand should be adopted.
Soybean emergence after sowing is a critical period of management, experts recommend that we should use chemical herbicides to seal soil against weeds. However, the use of herbicides must strictly follow the dosage of the pesticides to prevent overdose from occurring. In the poor soil moisture situation to grab robbers sowing seedlings, when the lack of seedlings in time to make up the seed, replenishment. Summer soybean in the Huang-Huai-Hai region is often exposed to natural disasters such as drought, hail and locust plague. Corresponding management measures should be taken for different disasters. When a drought occurs, in addition to adopting active irrigation measures, measures such as cultivating crops and covering crop stalks can also be adopted to ensure soil water use efficiency. In the event of a locust plague, it is necessary to quickly clear the damaged branches and rotten leaves, and apply fast-acting fertilizers to promote rapid recovery of seedlings. When a flood disaster occurs, in addition to timely drainage, cultivator can also be used to disperse locusts, chase fast-appropriate fertilizers, and sow grass and wood ash to reduce damage. When the disaster is severe and there is a shortage of seedlings, the early-maturing soybean varieties or other short growing crops should be replanted as soon as possible.
Soybeans can be planted in reasonable quantities to increase production
The summer harvest is about to end, and the autumn grain crop is about to be sown. Experts from the National Soybean Industry Technology System reminded everyone that the need to grow soybeans to increase production requires a high degree of focus on several aspects, especially in the Huang-Huai-Hai region. Experts told the author that the Huanghuaihai region is the main producing area of ​​soybeans, especially high-protein soybeans in China. This year, the harvest period of rapeseed and wheat was earlier than usual, and the sowing date was relatively loose, providing favorable time for soybeans. In addition, most areas in the Huang-Huai-Hai have abundant rainfall and good lye, which is suitable for robbery and sowing. However, due to rapid temperature increase and large surface transpiration, some regions must prepare for drought-resistant seeding.