保水剂在干旱沙区作物应用中的研究进展

Research progress on the application of Super Absorbent Polymer in crops in arid sandy area

干旱沙区降水少、蒸发强烈,土壤水分、养分的缺失是制约沙区作物生长的重要因素之一。而保水剂具有保水、保肥以及改土等特性,通过对保水剂的水肥保持机制、应用方法以及在前人研究成果分析的基础上,同时结合紫花苜蓿易生长、抗旱性强、产量高及经济效益高等特性,提出保水剂在干旱沙区紫花苜蓿种植中应注意问题及发展前景,以期为干旱沙区牧草产业发展提供新思路。

In the arid sandy area, there is little precipitation and strong evaporation, and the lack of water and nutrients in the arid sand area is one of the important factors which restrict the crop growth in sandy area. Super Absorbent Polymer has the characteristics of water retention, fertilizer conservation and soil remediation. Based on the mechanism of water and fertilizer retention, application methods and the results of previous studies, combined with the characteristics of easy growth of alfalfa, strong drought resistance, large yield and high economic benefits, the paper puts forward that Super Absorbent Polymer in the alfalfa arid sandy area should pay attention to the problems and prospects for development, so as to provide new ideas for the development of forage industry in arid sand area.