留民营生态农业系统的初步研究

    A PRELIMINARY STUDY ON THE ECOLOGICAL AGROSYSTEM OF LIUMINYING IN BEIJING

    • 摘要: 二次大战以来,以机械化、灌溉化、肥料化和化学化为标志的现代农业(又称石油农业)获得了迅猛的发展。所谓现代农业,其实质就是以高能量来换取高产量。它的基本思想,就是最大限度地向农业投入能量,以获取最高的粮食产量。例如美国近四十年来,投入农业的能量增长了八十倍左右。

       

      Abstract: This paper presents the results of researching work on the Liuminying ecological agrosys-tem in Beijing suburb. It covers the adjustment of production structure, utilization of bioenergy, reuse of organic wastes, enhancement of soil fertility and biological effects of these measures. The economic, ecological and social benefits having obtained from this agrosystem in past years are also analysed.

       

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