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下垫面性状对农林系统微生态环境的影响
引用本文:李全胜,吴建军,严力蛟,王兆骞.下垫面性状对农林系统微生态环境的影响[J].生态学报,1999,19(3):329-334.
作者姓名:李全胜  吴建军  严力蛟  王兆骞
作者单位:浙江大学华家池校区,农业生态研究所,杭州,310029
摘    要:在实地观测的基础上,分析了不同下垫面性状对农林系统微生态环境的影响,结果表明,冬季覆盖有利于提高农林系统的土壤温度,减轻冻害,春季桃园套种黑麦草可减缓土壤和近地气层的温度波动;新垦桔园套种有利于减少土壤流失,如黑麦草套种区平均土壤侵蚀量是自然裸露区的14.7%,并提高光能利用率0.82% ̄1.02%,成龄桔园合理套种不仅提高光能利用率,改善土壤肥力,而且使柑桔产量提高了46.88%。

关 键 词:下垫面性状  农林系统  微生态环境
收稿时间:1996/11/25 0:00:00
修稿时间:1997/5/25 0:00:00

EFFECTS OF PROPERTIES OF UNDERLYING SURFACE ON MICRO ECOLOGICAL ENVIRONMENT OF AGRO FORESTRY SYSTEM
LI Quansheng,WU Jianjun,YAN Lijiao and WANG Zhaoqian.EFFECTS OF PROPERTIES OF UNDERLYING SURFACE ON MICRO ECOLOGICAL ENVIRONMENT OF AGRO FORESTRY SYSTEM[J].Acta Ecologica Sinica,1999,19(3):329-334.
Authors:LI Quansheng  WU Jianjun  YAN Lijiao and WANG Zhaoqian
Institution:Agro Ecology Research Institute; Zhejiang; University; Hangzhou; China
Abstract:Based on site experiments,the effects of different underlying surfaces on the micro ecological environment of agro forestry systems were analyzed.The results revealed that the winter cover was useful to increase the soil temperature of agro forestry system and lighten frost injury.Temperature variation of soil and air in the rye grass intercropping areas were lower than that of natural areas during early to medium active stage of peach root (April and May).Intercropping in the young citru...
Keywords:properties of    underlying surface  agro  forestry system  micro  ecological  environment  
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