[,]

Xue Wang1, Liu Liu1, Jing Wang1

  • 1College of Pratacultural Science, Gansu Agricultural University/Key Laboratory of Pratacultural Ecosystem, Ministry of Education/Pratacultural Enginee-ring Laboratory of Gansu Province/Sino-US Center for Grazing Land Ecosystem Sustainability, Lanzhou 730070, China.

概括

草和麦的交叉种植改变了根分布,增强了更深的土壤勘探和营养吸收. 多年来不断的交叉作物促进了根的生长和营养竞争,减少了土壤的营养积累.