Method for reducing fertilizer amount, improving effect and increasing fertilizer utilization rate of vegetable base acidified soil

Abstract

The invention belongs to the technical field of soil fertilizer, and discloses a method for reducing the fertilizer amount, improving the effect and increasing the fertilizer utilization rate of vegetable base acidified soil. Technical measures are disclosed on the basis of applying organic fertilizer. For the soil with the pH value of 4-5 or with severe planted vegetable diseases, 200-300 kg of a conditioner is applied per mu, and conventional fertilization is carried out; or 200-300 kg of a conditioner and compound fertilizer with different phosphor nitrate proportions are applied per mu. For the soil with the pH value of 5-6, 100-150 kg of a Tianji conditioner is applied per mu, and conventional fertilization is carried out; or 100-150 kg of a conditioner and compound fertilizer with different phosphor nitrate proportions are applied per mu. Compared with conventional fertilization which is conducted according to habits of farmers, the effects of reducing the fertilizer amount, improving the effect and increasing the fertilizer utilization rate of vegetable base acidification are improved, the fertilization mode using the conditioner and the phosphor nitrate series compound fertilizer serving as the main body or the mode using the Tianji conditioner and conventional fertilization is popularized, and experiment demonstration and popularization effects are very good.

Description

technical field [0001] The invention belongs to the technical field of soil fertilizers, and in particular relates to a method for reducing the amount of chemical fertilizers in acidified soil of a vegetable base, increasing efficiency and improving the utilization rate of chemical fertilizers. Background technique [0002] At present, the commonly used existing technology in the industry is as follows: the reason why the soil is acidic and alkaline is because there are a small amount of hydrogen ions and hydroxide ions in the soil. When the concentration of hydrogen ions is greater than the concentration of hydroxide ions, the soil is acidic; otherwise, it is alkaline; when the two are equal, it is neutral. The degree of acidity or alkalinity of soil is called acidity or alkalinity, which is usually expressed by pH value. A pH equal to 7.0 is neutral, less than 7.0 is acidic, and greater than 7.0 is alkaline. The pH value is the most important parameter in plant nutrition...

AI Technical Summary

Problems solved by technology

[0003] To sum up, the problems existing in the prior art are: due to the high multiple cropping index and large yield of vegetables, the amount of chemical fertilizers used by farmers for a longer planting time is constantly increasing, and a large amount of chemical fertilizers leads to further serious soil acidification, and at the same time affects the yield. There is no obvious promotion effect. Most farmers do not know what kind of compound fertilizer is most suitable for vegetable planting. Some farmers apply a single fertilizer for a long time: some farmers apply the same fertilizer at different growth stages of crops; Chlorine, or compound fertilizers such as high chlorine or high sulfur products, etc.

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