Corn topdressing is to supplement the nutrients needed for the growth and development of corn throughout the growth period, and is a necessary guarantee for achieving high quality and high yield of corn. To achieve reasonable topdressing, we must first master the method of topdressing.
Corn topdressing method:
1. Spread the ridges and immediately plow the soil.
2. The artificial planing pit between the ridge and the plant is deeply applied to the soil, and then covered with plough.
3. Ditch and topdressing.
The best effect of the above three kinds of topdressing methods is that the artificial planing pits cover the soil, because of its deep fertilization, strict soil covering and high fertilizer utilization rate. The advantage of ridge ditching is to save labor and work. The disadvantage is that the fertilizer is slightly farther from the root system, which is not conducive to the full absorption of fertilizer by the corn roots. Therefore, when the furrow is topdressed, it is necessary to plow the shallow ditch, fertilize the soil, and cover the fertilizer to avoid the waste of fertilizer. When the ridges are spread, the ridges are not tight, and the fertilizer is exposed, causing loss of waste. The depth of corn topdressing should be 7-10 cm away from the plant, which is beneficial to the absorption and utilization of corn roots. If it exceeds 10 cm, it will affect the absorption and utilization of fertilizer. Less than 5 cm will cause burning. After fertilization, it is necessary to cover the soil in time or combine it with a shovel.
Corn topdressing method:
1. Spread the ridges and immediately plow the soil.
2. The artificial planing pit between the ridge and the plant is deeply applied to the soil, and then covered with plough.
3. Ditch and topdressing.
The best effect of the above three kinds of topdressing methods is that the artificial planing pits cover the soil, because of its deep fertilization, strict soil covering and high fertilizer utilization rate. The advantage of ridge ditching is to save labor and work. The disadvantage is that the fertilizer is slightly farther from the root system, which is not conducive to the full absorption of fertilizer by the corn roots. Therefore, when the furrow is topdressed, it is necessary to plow the shallow ditch, fertilize the soil, and cover the fertilizer to avoid the waste of fertilizer. When the ridges are spread, the ridges are not tight, and the fertilizer is exposed, causing loss of waste. The depth of corn topdressing should be 7-10 cm away from the plant, which is beneficial to the absorption and utilization of corn roots. If it exceeds 10 cm, it will affect the absorption and utilization of fertilizer. Less than 5 cm will cause burning. After fertilization, it is necessary to cover the soil in time or combine it with a shovel.
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