Since the spring of this year, there have been continuous low temperature and rainy weather in Haimen and other places. Not only has the growth period of summer crops been postponed, but the growth of spring corn has also been significantly weaker. At present, it is necessary to do a good job in the cultivation and management of spring corn and adopt four measures to promote strong seedlings of spring maize.
The increase of Miaofei is affected by the weather conditions all year round. Local farmers have no habit of fertilizing maize at seedling stage. However, after this year's corn planting, it encountered continuous low temperature and rainy weather. The time before the seeds emerged in the soil was longer and consumed more nutrients. The post-emergence maize growth was weak. Therefore, the application of maize seedlings this year is more important, with 5-8 kg of urea poured per acre.
Snorkeling combined with timely fertilization can promote ventilation, increase the temperature of the soil, and promote the normal development of the root system of the corn. It can also maintain soil conditions.
Increasing the light and timely carrying out the work of supporting the broad-spectrum crops such as faba bean, and increasing the inter-row light of maize will help to increase the photosynthetic efficiency of the ground temperature and corn, and cultivate strong seedlings.
Control pests The main pests of spring corn are small tigers and corn borers. Bait method can be used to kill small tigers, bait using 90% crystal trichlorfon 60 grams, dissolved in water evenly mixed in 3 kg of sauteed wheat bran, cottonseed cake or rapeseed cake, spread in the evening corn rows. To prevent corn borer, you can use 12% high chlorine in the big bell mouth period. Chlorpyrifos cream is directed at the corn flare spray.
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