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1979——1980年,我们对江苏太湖流域常州市郊外武进县的“粮猪生产系统”和“粮饲猪牛羊沼气农产品加工系统”(简称综合生产系统或农牧工结合系统)进行了研究。在有关单位的协助下,于该县奔牛公社陈巷大队进行定位观察和分析,初步结果是:在相同农业资源条件下,采用“综合生产系统”后,粮食亩产达1435斤,年递增率达4.46％,农业亩产值增长53％,每投进1.0斤化肥氮产粮效率提高30.0％,无机能的产投比从0.752∶1.0上升为1.15∶1.0,社员的年平均经济收入增长30.9％,土壤肥力有了显著提高,
From 1979 to 1980, we conducted a study on the “grain and pig production system” and the “food processing system for food, pig, sheep and cattle biogas production” (referred to as integrated production system or farming and animal husbandry combined system) in Wujin County, outside Changzhou, Jiangsu Province. . With the assistance of the relevant units, the observation and analysis of the positions of Chen Lane Brigade in Benniu Commune in the county showed that the output of grain per mu reached 1435 jin in the same agricultural resources and increased year by year after using the “integrated production system” The rate of increase of agricultural output per mu was 53%, the yield of fertilizers per kg of fertilizer increased by 30.0%, and the ratio of inorganic fertilizers to production increased from 0.752: 1.0 to 1.15: 1.0. The average annual economic income of the members increased by 30.9% %, Soil fertility has been significantly improved,