摘要
阐述了农业生态系统的概念、功能、评价标准。系统地介绍了农业生态系统主要评价指标及计算方法。为制定农业发展规划,农业结构战略性调整以及项目申报、评价等提供科学手段。
The concept, structure, function and evaluation standard of agricultural ecological system were formulated,the main evaluation indexes and the computing methods were also systematically introduced. The purpose of the study was to provide scientific methods for agriculture development plan,strategic adjustment of agricultural structure and project declaration and so on.
出处
《黑龙江农业科学》
2007年第6期76-78,共3页
Heilongjiang Agricultural Sciences
关键词
农业
生态系统
评价指标
agriculture
ecology system
evaluation index.
