Soil acidification Reasons for soil acidification: First, the amount of precipitation or watering is large and concentrated; second, the long-term application of large amounts of chemical fertilizers.
Solution: Pay attention to the application of high-quality organic fertilizer, increase the content of organic matter in the soil, and apply fertilizer scientifically. At the same time, pay attention to the application of microbial bacterial fertilizer and soil conditioner, increase the number of beneficial microorganisms in the soil, and keep the soil fertile.
Soil nutrient imbalance Reasons for soil nutrient imbalance: Crop growth requires 17 essential nutrients. In daily management, we only pay attention to nitrogen, phosphorus, and potassium fertilizers, and ignore medium and trace element fertilizers, resulting in the depletion of trace elements in the soil and the enrichment of a large number of elements.
Solution: ①Scientific formula fertilization. According to relevant information disclosure, among the 1.8 billion mu of cultivated land in the country, the area of ​​soil deficient in calcium, magnesium and other elements is about 50%, the area of ​​boron deficiency is more than 40%, and the area of ​​zinc deficiency is more than 20%. Scientific formula fertilization is imperative.
â‘¡ Apply more organic fertilizer. Organic fertilizer can increase the soil humus, help the formation of agglomerate structure, improve soil aeration, water permeability and nutrient status, and can add some solidified nutrients to the soil.
â‘¢ Apply trace element fertilizer. The crops carry out trace elements from the soil year after year, resulting in the depletion of the trace elements in the soil. Improper use of chemical fertilizers can also lead to antagonism of nutrients and lack of trace elements. Therefore, it is necessary to supplement in time according to the growth of the crops in order to achieve a satisfactory harvest.
â‘£Pay attention to the top dressing outside the roots (foliar fertilizer). Foliar fertilizer can accurately and timely supplement the missing elements to the plant, and can effectively alleviate some unnecessary losses caused by the lack of elements.
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