Nourishing water retaining agent and preparation method thereof

Abstract

The invention discloses a preparation method of a nourishing water retaining agent. The method comprises the following steps: coconut shell powder and grapefruit peel powder are prepared; the coconut shell powder and the grapefruit peel powder are well mixed according to a certain volume ratio, and the mixture is fermented, such that a fermentation product is obtained; seaweed seed is well mixed with the fermentation product according to a certain volume ratio, such that a soil water retaining agent base material is obtained; loofah sponge is cut into rectangular blocks; the nourishing water retaining agent base material containing bacillus is mixed with the loofah sponge according to a certain volume ratio; an equal amount of water is added, and the mixture is mixed and stirred, such that a gel-like nourishing water retaining agent second-level material is obtained; the soil water retaining agent secondary material is dried and compressed into a block; the block is cut into small blocks according to a certain specification, such that a soil water retaining agent third-level material is obtained; and an activated carbon layer is compressed onto the surface of the soil water retaining agent third-level material. The soil water retaining agent is nontoxic and harmless, and can slowly release nutrients during a natural degradation process. With the nourishing water retaining agent, quality and yield of cultivated plants can be improved to a certain extent.

Description

technical field [0001] The invention relates to the technical field of water-absorbing and moisturizing agents for environmental protection materials. More specifically, the present invention relates to a nutritional water-retaining agent and a preparation method thereof. Background technique [0002] Water retaining agent (Water retaining agent) is a chemical water-saving, high-tech drought-resistant product that has developed rapidly in recent years. It has been gradually applied to the production of flowers, seedlings and crops. The water retaining agent has the characteristics of fast absorption and slow release of water, which can reduce the surface water of the cultivation substrate and the evaporation of substrate water. That is to say, during the watering process, the water-retaining agent can store the gravitational water that cannot be continuously used by the plants, effectively increase the water holding capacity of the substrate, and then gradually release the ...

AI Technical Summary

Problems solved by technology

However, because its synthetic raw material comes from petroleum processing product acrylic acid, the shortage of petroleum energy and the rise in the price of acrylic acid increase the production cost of sodium polyacrylate water-retaining agent, and the promotion in soilless cultivation application is slow

Under certain conditions, the degradation of this type of water retaining agent may also produce harmful substances, which will adversely affect plant growth.

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