摘要
能量转化和物质循环是农业生态系统最基本的功能特征。
Quantitative patterns and characteristics of nitrogen cycling in agroecosystems of Miyun county of Beijing suburb are studied and evaluated, A series of related parameters are obtained, and effective ways are suggested for improving the system and its nitrogen efficincy.
出处
《生态学杂志》
CAS
CSCD
北大核心
1992年第2期1-3,7,共4页
Chinese Journal of Ecology
关键词
农业生态系统
氮素循环
nitrogen cycling, quantitative characteristics, agroecosystem, Miyun.