Composite for enabling sandy soil to have water retention and nutrient retention capabilities, water-retaining agent, and its preparation method and use thereof

Abstract

Disclosed is a composite for enabling sandy soil to have water retention and nutrient retention capabilities, a water-retaining agent, a preparation method, and use thereof. The composite includes polyacrylamide, sodium polyacrylate, and xanthan gum. Also disclosed is a water-retaining agent including the composite and a method for utilizing the composite to improve the water retention and/or nutrient retention capabilities of sandy soil. Through the synergistic effect of polyacrylamide, sodium polyacrylate, and xanthan gum, this invention not only alters the looseness of sandy soil, increases the viscosity, and significantly reduces water loss and volatilization, but also improves the retention capacity of fertilizer nutrients to extend the effective duration. The composite is environmentally friendly, cost-effective, and effectively improves the properties of sand, showing the effects of retaining water and nutrients, facilitating plant growth, and offering high application value.

Dependencies are inferred from the claim text.