花生-作物轮作系统的土壤养分平衡与病虫害防控效果OA

Peanuts are an important oil and economic crop in China.Continuous cultivation of peanuts leads to imbal-ances in soil nutrients,frequent occurrence of soil-borne diseases,and increased damage from underground pests.The production method relying on chemical fertilizers and pesticides not only increases production costs but also triggers a se-ries of environmental issues.Therefore,this paper focuses on the peanut-crop rotation system for research.It reviews the ecological theoretical basis of the rotation system in regulating soil microbial communities and nutrient cycling,elabo-rates on the principles of constructing rotation patterns based on ecological complementarity of crops and suppression of pests and diseases,and deeply discusses the typical rotation technology modes in major production areas of peanuts in China and their methods for disease and pest control.It summarizes the key roles of the peanut-crop rotation system in achieving dynamic balance of soil nutrients and constructing an ecological defense line against pests and diseases,with the aim of promoting the scientific application of peanut rotation technology modes in agricultural production in China.