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农林复合系统、间作及套作中植物组分之间养分竞争普遍存在。植物的养分竞争主要包括种内竞争和种间竞争。光照、温度、水分、土壤、微生物。低等动物等外界因素对植物的竞争作用具有明显的影响。农林复合系统中 ,林种和林间作物品种的选用、林的修剪和管理方式等技术的应用可调控组分间的竞争作用
The nutrient competition between plant components in agroforestry system, intercropping and intercropping is ubiquitous. Plant nutrient competition mainly includes intraspecific competition and interspecific competition. Light, temperature, moisture, soil, microorganisms. Low-level animals and other external factors have a significant impact on the competition of plants. In the agroforestry system, the application of techniques such as the selection of forest species and inter-crop varieties, the pruning of forests and management methods can regulate the competition among the components