In recent years, although the concept of soil testing and formula fertilization has been strongly promoted, many farmers still fail to achieve the principle of “seeing weather, soil, and crop fertilizationâ€. In the process of chemical fertilizer application, the following problems still exist: First, the application structure of chemical fertilizer is unreasonable, most of them apply single fertilizer; secondly, the cognition of chemical fertilizer is not enough, excessive application of chemical fertilizer; third, the organic fertilizer source is sufficient, and the application amount is obviously insufficient. In the long run, soil degradation such as soil acidification and organic matter decline will occur.
Soil acidification leads to a decrease in the availability of nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, zinc, molybdenum, copper and other nutrients in the soil, which is easily lost or fixed, and the fertilizer utilization rate is reduced, resulting in waste of fertilizer. In order to improve the efficiency of fertilizer efficiency, avoid soil degradation such as continuous acidification, compaction, and organic matter decline, soil conditioning must be carried out, and the early spring season is the best time. Soil conditioning methods generally have the following types:
1. Smoked manure and get more. It is also an effective measure to control soil acidification by using straw in the ground and weeds in the corners of the fields. The fire manure is alkaline and contains more potassium. It has the effect of regulating soil pH and potassium supplementation.
2. Apply organic fertilizer. Organic fertilizer has great buffering effect, has the effect of regulating soil pH, and fertilizes soil fertility.
3. Apply special soil conditioner products to fundamentally solve soil acidification. Specialized soil conditioners are developed for the acidification of salt-based ions such as calcium and magnesium in the soil.
I recommend the application of “Tian Shifu†soil conditioner. “Tian Master†soil conditioner has a good effect on conditioning soil acidification and improving soil properties. Last spring, the author accompanied agrochemical service personnel of Guangdong Volkswagen Agricultural Science and Technology Co., Ltd. to encounter a typical case in the process of soil improvement quality. Liang Bo, the contractor of Huadong Town, Huadu District, Guangzhou, once suffered from low vegetable yields. Later, he was measured and analyzed by the public agricultural agrochemical service personnel. He found that some of his soil was severely acidified to "nothing." The extent to which the fertilizer is useless. Liang Boss used the "Tian Shifu" soil conditioner with a try-and-test attitude, and then applied fertilizer and sowing. Within a few days, what surprised him was the low-yield vegetable plots, which were very mature and strong.
Therefore, fertilization in the early spring is based on the principle of “fertilizing the soil first.†Only when the soil is well-conditioned, and then according to the fertilizer requirements of the crop and the fertilization of the weather, the effect of low input and high output can be achieved.
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