Biomass charcoal soil conditioner containing biological stimulant and preparation method of biomass charcoal soil conditioner

Abstract

The invention relates to the technical field of soil conditioners, in particular to a biomass charcoal soil conditioner containing biological stimulant and a preparation method of biomass charcoal soil conditioner. The biomass charcoal soil conditioner is prepared from 20-40 parts of biological stimulant, 10-30 parts of active calcium, 5-10 parts of alkali residues, 5-15 parts of plant ash and 10-20 parts of biomass charcoal; the active nano calcium and the biological stimulant can directly reach cells of crops, and the effect of increasing the yield is remarkable; the biomass charcoal has high aromatization degree, large specific surface area, well-developed pore structure and various organic functional groups, and has strong adsorption capacity for heavy metals. To sum up, the soil conditioner adopts the five substances, namely, the biological stimulant, the active calcium, the alkali residues, the plant ash and the biomass charcoal to cooperate with one another, finally, it is realized that acid soil can be improved rapidly, the soil permeability can be effectively improved, soil hardening is avoided, heavy metal contaminated soil is repaired, soil microbial activity is promoted, the ability of soil to maintain water and a fertilizer is enhanced, the consumption of the fertilizer is reduced, the utilization rate of the fertilizer is increased, and the effect of increasing the yield of the crops is remarkable.

Description

technical field [0001] The invention relates to the technical field of soil conditioners, in particular to a biochar soil conditioner containing biostimulants and a preparation method thereof. Background technique [0002] Due to the influence of soil parent material, planting mode, fertilization, climate and other factors, there are currently about 200 million hectares of acidic soil in China. Most acidic soils have a pH of less than 5.5, and some are even lower. [0003] Soil acidification has the following impacts on agricultural production and human life. First, it leads to deterioration of soil structure, reduction of cation exchange capacity and base saturation, serious loss of soil nutrients, and poor soil ridges, which affect the normal growth of plants. Affect the activity of soil microorganisms, reduce the number of soil microorganisms, inhibit the growth and activities of microorganisms, thereby affecting the decomposition of soil organic matter and the cycle of ...

AI Technical Summary

Problems solved by technology

Although the application of lime has alleviated the degree of soil acidification to a certain extent, due to the low mobility of lime in the soil, long-term and excessive application of lime will cause compaction of the surface soil, and excessive effective nutrients will be calcified and cannot be absorbed by crops. , causing an imbalance of nutrient elements, and cannot relieve the poison of heavy metals

[0005] For example, Chinese patent document CN200710029172.1 provides a method for preparing an acidic soil conditioner in dry land in the south, using calcined shell products, calcium magnesium silicate and magnesium ammonium phosphate as raw materials to prepare soil conditioners. These common acidic soil conditioners, although It can adjust soil acidity to a certain extent, but there are problems such as slow adjustment speed, unable to reduce heavy metal content in soil, and not obvious effect on crop yield increase