农田生态系统中作物—昆虫—杂草的消长与农业环境

Abstract

Abstract: According to the results of a wet dry rotation cropping experiment, the regularities of growth, decline and changes of crop insect (destructive and beneficial) weed communities were studied. The approaches of using those regularities for the development of production, maintenance of farmland ecosystem balance, optimization of agro eco environment and maximization of crop yield were also discussed.

Key words: farmland ecology, biological community, crop, insect, weed, growth and decline, change, biological control, natural enemy

CLC Number:

S181

HOU Yu-Bi, MA Ren-Zhong, 吕Cun-Yu , GUO Sheng-Hong. Relationship Between Agricultural Environment and the Growth and Decline of Crop Insect Weed Communities in Farmland Ecosystem[J]. Journal of Ecology and Rural Environment, 1997, 13(3): 33-36,52.

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Relationship Between Agricultural Environment and the Growth and Decline of Crop Insect Weed Communities in Farmland Ecosystem

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