]*>","")" /> Analysis on Plant Developmental Rhythm on Desert Grassland with Warm Soid Properties

• Article • Previous Articles     Next Articles

Analysis on Plant Developmental Rhythm on Desert Grassland with Warm Soid Properties

LIU Chang-e;XU Peng;AN Sha-zhou   

  • Received:2006-01-25 Revised:2006-01-25 Online:2006-01-25 Published:2006-01-25

土质温性荒漠草地植物生育节律分析

刘长娥;许鹏;安沙舟   

  1. 新疆农业大学草业工程学院,新疆草地资源与生态重点实验室,新疆乌鲁木齐,830052

摘要: 土质温性荒漠草地植物年内产量为"双峰",分别在春末夏初和秋季,自返青后的第52 d起,主要植物伊犁绢蒿绝对生长速率最大;草群生物量与10~20 cm土壤水分关联度最高,与大气降水量(X1)、月平均气温(X2)和10~20 cm土壤含水量(X3)的关系方程为:Y=204.694+2.193 X1-5.437 X2-40.157 X3+30.496 X4;(R=0.971,P<0.05).