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(1) Sand permeability is good, fertilization after fertilizer application is swift and short, fertilizer retention is poor, and it is easy to leak water and leak fat. Crops are often "early-onset" and "premature senescence." They should therefore be tested using soil moisture detectors and applied in divided doses to prevent nutrient loss and premature aging.
(2) Clay has poor ventilation and permeance, and soil temperature rises slowly in early spring. Therefore, the use of more chemical fertilizers at one time does not cause “burning†or loss of nutrients. However, the excessive application of nitrogen fertilizer in the later period can easily lead to late maturity of the crop and result in production loss. Therefore, basal fertilizers should be re-applied and fertilizers should be applied at appropriate times. In food crops, about 70% of nitrogen fertilizer is generally used as a base fertilizer, and about 30% is suitable for top dressing.
(3) The loam soil has moderate sand stickiness, good ploughability, strong ventilation and permeable water, and strong water retention and fertility. The crop growth performance shows both small seedlings and old seedlings. Both base fertilizer and topdressing are equally important.
Precautions for soil fertigation in different soils
How to apply fertilization is not only to refer to crop types and soil nutrients, but also to refer to soil moisture conditions. Therefore, it is best to use a soil moisture meter before fertilization to measure soil moisture in order to fertilize soil more appropriately. The following is reasonable for three soil moisture conditions. Fertilization precautions: