临朐发展生态农业的模式分析

本文以山东省临朐县为例，分析了砂石山区农业生态环境的特点，提出改善其农业生态环境的主要途径－发展生态农业，重点给出几种适合砂石山区生态农业发展的综合模式，梯度开发，农林立体间套式，食物链循环模式，并对模式的经济、生态效益进行了分析，指出发展生态农业是砂石山区发展农村经济、改善农业生态环境的最佳途径。

A Modeling Inquiry into the Development of Ecological Agriculbure in Lingu County

By analyzing the characteristics of agricultural ecological environment in sandstone mountainsvia taking Linqu County in Shandong Province as an example,the authors advanced some majorapproaches to improving agricultural ecological environment in sandstone mountainous areas by means ofdeveloping ecological agriculture. Some most important comprehensive models such as terrace development,three-dimensional agro-forestry inter-cropping and inter-planting,and food chain cycle suitable to thedevelopment of these areas were suggested. Based on the analyses of economic and ecological benefits ofthese models,the authors reached a conclusion that ecological agriculture was the best way to develop therural economy and better the agricultural ecological environment in the areas as such.