【作者】 张海； 高鹏程； 柏延芳；

【Author】 Zhang-hai, Zhang li-xin, Bai yan-fang (College of Resources and Environmental, Northwest Sci-Tech University of Agriculture and Forestry Yangling 712100)

【机构】 西北农林科技大学资源与环境学院；

【摘要】 以农村沼气为纽带的“鸡-猪-沼-菜”四位一体生态家园经济模式,是解决现时期黄土高原农村能源短缺、经济落后的有效途径。它可将农民的致富愿望引导庭院中来,减少对山林及坡地的破坏。本文就该区以沼气为纽带的农村庭院经济模式设计及效益进行了研究,指出本模式可使黄瓜、番茄分别增产16％和20％以上,生猪较常规生产年增重60％以上,家庭年收入可增加2-4万元,同时可以减少每户农民对3亩山林的破坏,在解决了农村的能源及经济收入的基础上解决了该区生态环境问题。更多还原

【Abstract】 An economical model of ecological agriculture was put forward in quaternity of "chicken-pig- methane " vegetable" based on the utilization of methane gas in Loess Plateau. It is an efficient key to solve the shortage of energy source and the poor economic condition in the country. It also could lead the fanner to enrich and to reduce the destroy of forestry and slopling field by establishment of ecological agriculture. The study was conducted on economical model of ecological agriculture based on the utilization of methane gas. The increase rate of cucumber and tomato was 16% and 20% respectively. The weight of pig increased 60% more than normal production. The income of family could increase 20000-40000 yuan. And it could decreased the destroy of 3 mu mountain forest to every family. Such the entironment had been improved totally.更多还原