How to prevent pests and diseases from corn planting? Corn is an important food crop in China. Planters should master more technical knowledge when planting corn, choose the most suitable farming method according to local conditions, and at the same time do a good job of corn pest control, etc., then Xiaobian will simply talk about it. Corn high-yield planting technology, I hope to help everyone.
1 High-yield cultivation techniques for corn
1.1 Variety selection
Choose local fine varieties, such as Jindan No.33, No.34, No.35, No.36 and No.472 as the main varieties.
1.2 Land consolidation
Choose land plots with flat terrain, fertile soil, and good drainage and irrigation conditions. Deeply plow the plots before planting, and replenish the land in time after leveling the land.
1.3 Seeding methods
The use of mechanical sowing needs to be combined with the characteristic cultivation techniques to cover the mulch, which can not only improve the surface temperature, but also meet the needs of corn growth and avoid soil erosion.
1.4 Scientific fertilization
1.4.1 Principles of fertilization: heavy fertilizer, light seedling fertilizer, and skillful fertilization.
1.4.2 Fertilization of corn should consider the characteristics, indicators and soil specific conditions of the variety, implement deep fertilization technology, and allocate nitrogen, potassium and phosphate fertilizers to the land at a specific proportion.
1.4.3 Before the seed is germinated and emerged, choose the right amount of medicine in the weather without wind or wind.
2 Pest control technology
2.1 Corn glutinous rice control
When corn is grown to the corn leaf stage in the heart leaf stage, 1.5% phoxim particle liquid can be disposed and sprayed with 1-2kg per mu. After the corn enters the snoring period, it can be treated with deltamethrin emulsifiable concentrate. Control, or use the technique of dripping silk.
2.2 Corn rust prevention
2.2.1 Select hybrid varieties with strong disease resistance and rationally close the plants.
2.2.2 Strengthen water and fertilizer management to enhance the disease resistance of corn plants.
2.2.3 Ensure the moisture required for corn growth.
2.2.4 Increase the amount of potassium applied.
2.2.5 Corn seed dressing before seeding.
2.3 Prevention and treatment of large spot disease
2.3.1 Physical methods: Clean up the diseased corn residue.
2.3.2 Chemical method: 50% carbendazim wettable powder, configured with 500 times liquid for spraying control.
2.3.3 Use 70% thiophanate-methyl WP and 75% chlorothalonil WP to prepare 600 times and 700 times of liquid, and spray 2-3 times continuously.
Wenzhou Celecare Medical Instruments Co.,Ltd , https://www.wzcelecare.com