Efficient fertilizer contributing to reduction of accumulation of chromium heavy metal pollutant in vegetable and preparation method of fertilizer

Abstract

The invention discloses an efficient fertilizer contributing to reduction of accumulation of a chromium heavy metal pollutant in a vegetable. The fertilizer comprises the following components, by weight part: betaine, activated nanometer attapulgite, rice bran, powder or fermented substances of stem-type vegetables with strong fiber, cationic chitosan, germinated brown rice, microzyme, melatonin, an anion-modified macro-molecule chitosan heavy metal adsorbent, and a proper amount of mineralized micromolecule activated water. Melatonin and betaine treated with mineralized micromolecule activated water match activated nanometer attapulgite to prepare factors for self-cleaning of a chromium heavy metal. The factors easily enter the inside of cells, quickly participate into living movement of plants, promote plant bodies to absorb and utilize heavy-metal-chromium-type substance, and further promote living movement of the bodies, thereby reducing pollution. The fertilizer matching a nutrient solution treated through mineralized micromolecule activated water, and main materials can effectively convert heavy metals left in the vegetable, thereby having a function of self-cleaning of heavy metals.

Description

technical field [0001] The invention relates to the technical field of vegetable fertilizers, in particular to a high-efficiency fertilizer that helps reduce the accumulation of chromium heavy metal pollutants in vegetables and a preparation method thereof. Background technique [0002] Industrial activities and the use of sludge have led to a sharp increase in heavy metals in soil, water, and air. Coupled with the long-term use of chemical fertilizers and chemical pesticides, the quality of the agricultural ecological environment has deteriorated and the pollution of agricultural and livestock products has become increasingly prominent, resulting in a great threat to human life. Specifically In vegetables, heavy metals often exceed the standard due to soil heavy metal pollution. Usually, natural macromolecular organic humic acid and its salts are chelated with heavy metal ions to form macromolecular chelates or adsorbed on the surface of soil particles to block biological ce...

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Problems solved by technology

However, it cannot be absolutely eliminated. Moreover, a small amount of chromium heavy metal ions or heavy metal chelates in different forms have certain effects on the growth of vegetable plants. How to maximize the utilization of heavy metals in vegetables and reduce their negative effects, of great significance