Fertilizer should be applied more deeply?

Fertilizer seeding is usually buried in the lower part of the seed or in the lower part of the seed. Fertilizer and seed should be kept at a proper distance to avoid burned seeds. This distance is generally 3 to 5 centimeters below the seed, such as more than 5 centimeters and appropriate suppression, the better. Fertilizer application should also consider the fan-shaped area where the crop growth roots are reached. Under normal circumstances, when the nutrients of the seed itself are exhausted, the roots of the wheat can be rooted by 5 to 8 centimeters and the fan angle is about 60 degrees; the rooting of the corn is 5 to 7 centimeters and the fan angle is 90 degrees. About degree.
When topdressing topdressing, plant roots have been initially developed. If mechanical topdressing is used, rooting should be minimized. The depth of fertilization should not be too great, and the horizontal distance (sideways) from the plant should also be appropriate. Under normal circumstances, the depth of top-row crops such as top-dressing, wheat, etc. is preferably 6 to 8 cm, and the depth of wide-line crops such as corn and cotton is preferably 8 to 12 cm, and the lateral distance is 10 to 15 cm.
The base fertilizer is usually 15 to 20 cm deep or deeper. There are two ways to fertilize the plough: one is to spread the fertilizer on the ground and plow it into the soil, that is, to plow it; the other is to apply the fertilizer to the furrow at the same time as the ploughing operation, that is, the plow furrow . The latter is better than the latter.

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