Agricultural and forest water retaining agent with efficient water retention performance and preparation method

Abstract

The invention provides an agricultural and forest water retaining agent with efficient water retention performance and a preparation method. The water retaining agent is prepared from components in percentage by weight as follows: 15%-35% of modified starch, 30%-50% of acrylic acid, 5%-17% of polyvinyl acetate, 15%-40% of sodium hydroxide, 3%-9% of a sodium lauryl sulfate solution, 0.1%-0.35% of ammonium persulfate, 0.1%-0.8% of sodium thiosulfate and 0.2%-0.65% of ethylene glycol. The prepared water retaining agent has good salt tolerance and pressure resistance, the use period is three years or longer, furthermore, the water retaining agent contains multiple elements such as C, O, H, N, K and the like which are quite beneficial to plant growth and soil and water conservation as well as chemical bonds and groups consisting of the elements, has good mixing performance with farmyard manure, chemical fertilizer, soil, fine sand and the like and has good water absorption performance, water retention performance and water releasing performance, a product is non-toxic and harmless to humans, animals and plants, and a special function group in a network molecule structure of the product has strong complexing and chelating effects on toxic metal ions such as pb, cd, hg and the like, so that a water source of a soil environment is purified.

Description

[0001] [technical field] [0002] The invention relates to the technical field of water-retaining agents, in particular to an agricultural and forestry water-retaining agent with high water-retaining performance, which is reversible in absorbing and discharging water, biodegradable, and has better salt tolerance and acid and alkali resistance, and a production method thereof. [0003] [Background technique] [0004] With the increasing environmental pollution and the decrease of green vegetation year by year, it poses a severe test to the human living environment, especially in the fields of agricultural production and urban greening, where the water in the soil is easy to lose, causing soil agglomeration, soil desertification and other problems , which seriously affects the increase of production and the maintenance of urban vegetation, and also brings large economic losses. [0005] Therefore, how to quickly absorb and retain rainwater or irrigation water in the soil without ...

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Problems solved by technology

[0004] With the increasing environmental pollution and the decrease of green vegetation year by year, it poses a severe test to the human living environment, especially in the fields of agricultural production and urban greening, where the water in the soil is easy to lose, causing soil agglomeration, soil desertification and other problems , which seriously affects the increase of production and the maintenance of urban vegetation, and also brings large economic losses

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