应用能值理论对内蒙古奈曼旗种植业系统进行了分析。
This article applies the energy theory to analyze the planting industry system of Naiman Banner.
以聊城市种植业系统为研究对象，对系统生产力、种植业结构与效益进行了动态分析。
Based on the crop cultivation system of Liaocheng, Shandong Province, the system productivity, composition of crop cultivation and benefit were analyzed.
结果表明：（1）种植业亚系统的人工辅助能投入和能量的产出都在逐年迅速增加，但能量的投入和产出均处于较低水平，能量利用效率低。
The results showed that (1) supplementary energy input, energy transformation efficiency and output energy of farming sub-system were still in low level .
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