Urea aldehyde group biodegradable polymer sand-fixing material with nutrient controlled release and water absorption and retention functions

The invention relates to a urea aldehyde group biodegradable polymer sand-fixing material with nutrient controlled release and water absorption and water retention functions, which is composed of a urea aldehyde group biodegradable polymer composite material with nutrient controlled release and water absorption and water retention functions and a biodegradable polymer material fabric. Wherein the urea aldehyde group biodegradable polymer composite material with the functions of nutrient controlled release and water absorption and water retention is wrapped on the surface of the biodegradable high polymer material fabric and is embedded in a grid of the fabric, and intermolecular hydrogen bond interaction exists between the urea aldehyde group biodegradable polymer composite material and the biodegradable high polymer material fabric. Under the action of water and microorganisms, the sand stabilization material can be gradually hydrolyzed and degraded into micromolecular nutrient substances to be absorbed by p