High-yield planting management points for summer maize
Corn is one of the main food crops in China. It has a very large acreage in the north and is now a hot summer. So how do summer corn grow to produce high yields? Here are a few key points that everyone needs to pay attention to.
1. Seed selection and treatment
Pay attention to these points when selecting seeds, the size of the seeds is uniform, no mold, damage, suitable for the local climate. After selecting the seeds, the seeds should be treated to a certain extent. The treatment includes drying, soaking and coating, which can effectively improve the germination potential of the seeds and reduce the occurrence of diseases.
2. Timely early broadcast
The timely and early sowing of summer corn can gain more calorie resources for the corn, not only can the corn avoid the damage caused by low temperature, but also effectively reduce the threat of pests and diseases.
3. Reasonable close planting
According to the characteristics of the selected corn varieties and the selective planting of the fertility of the soil in the field, it is generally suitable for dense planting, good ventilation and light transmission, high plant height, poor ventilation and poor planting. The soil is fertile and densely planted, and the soil is poorly planted.
4. Rational fertilization
Master the scientific method of fertilization, avoid partial application of nitrogen fertilizer, and learn to apply NPK fertilizer balance.
5. Reasonable watering
In the summer when the weather is dry, pay attention to the management of water and fertilizer, combined with fertilization and watering, especially in the big bell mouth period must be watered, pumping male and silk water.
6. Reasonable control
When the corn grows to the jointing stage, it is necessary to control the growth according to the situation in the field, inhibit the vegetative growth and promote the reproductive growth.
7. Do a good job in pest control
The common pests and diseases of summer corn mainly include bacterial wilt, rough disease, armyworm, corn borer, etc. Everyone should choose the appropriate chemical control according to the situation of their own plots.
The above is all the content of today, and the growers who planted the summer corn should do these things in the planting process.
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