覆盖作物的生态效应

摘要/Abstract

摘要： 评述了农田生态系统中主要覆盖作物在减少土壤损失、降低表土迳流、增加土壤养分、减少NO₃^-淋溶、减轻水质污染及病虫草防除中的作用与效应,讨论了覆盖作物管理对农业持续发展的影响.

关键词: 覆盖作物, 土壤侵蚀, 养分循环, 病虫草, GIMMS NDVI 3g, 大兴安岭, 生态地理分区, 植被物候

Abstract: This paper reviewed the effects of cover crops in reducing soil loss,surface runoff,NO₃^- leaching and water pollution,and elucidated roles of cover crops in controllling pest insects, weeds and diseases, and increasing soil nu trients. The potential roles and appropriate application of cover crops in sustainable development of agriculture were also discussed.

Key words: Cover crops, Soil erosion, Nutrient cycling, Insect and disease control, eco-geographical region, Daxing’an Mountains, GIMMS NDVI 3g, vegetation phenology

中图分类号:

S142
S181

刘晓冰, 宋春雨, Stephen J. Herbert, 邢宝山. 覆盖作物的生态效应[J]. 应用生态学报, 2002, (3): 365-368.

LIU Xiaobing, SONG Chunyu, Stephen J.Herbert, XING Baoshan . Ecological effects of cover crops[J]. Chinese Journal of Applied Ecology, 2002, (3): 365-368.

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