]*>","")" /> Study on the Relationship between Ground Biomass and Soil Nutrient in the Mixed Grassland
Xinjiang Agricultural Sciences

• Article • Previous Articles     Next Articles

Study on the Relationship between Ground Biomass and Soil Nutrient in the Mixed Grassland

ZHANG Ren-ping;YU lei;LU Wei-hua;JIANG Hui   

  • Received:2009-03-25 Revised:2009-03-25 Online:2009-03-25 Published:2009-03-25

混播草地地上生物量与土壤主要养分变化的关系研究

张仁平;于磊;鲁为华;蒋慧   

  1. 新疆维吾尔自治区草原总站,乌鲁木齐,830049;石河子大学动物科技学院,新疆石河子,832003;塔里木大学动物科技学院,新疆阿拉尔,843300





摘要： 试验研究结果表明:有机质与地上生物量呈极显著正相关,地上生物量越高,形成的有机质越多.在单播的紫花苜蓿中,紫花苜蓿的地上生物量与速效K呈负相关,说明生成的地上生物量越多,消耗的速效K越多.单播无芒雀麦的地上生物量与碱解N、速效P和速效K都呈负相关.在紫花苜蓿和无芒雀麦混播草地中,速效P和速效K肥的消耗最大.