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辽宁省大洼县典型农户生态系统能流和物流分析
引用本文:朱清海,周正.辽宁省大洼县典型农户生态系统能流和物流分析[J].沈阳农业大学学报,1996,27(2):166-169.
作者姓名:朱清海  周正
作者单位:辽宁省盘锦市土肥站,辽宁省盘锦市农村能源站
摘    要:本文分析了一农户生态系统的投能结构、水平、效率和农田养分平衡与物质转化。结果表明:该农户生态系统能量和物质的投人均以有机为主,农田土壤库中氮、磷、钾均有盈余。由于系统内物质的反馈,能量转换率和饲料转化率较高。

关 键 词:生态系统  能流  物流

Energy and Materrial Flows in the Household Ecosystem in Dawa county Region
Zhu Qinghai,Wang Dian,Zhu Haoaheng.Energy and Materrial Flows in the Household Ecosystem in Dawa county Region[J].Journal of Shenyang Agricultural University,1996,27(2):166-169.
Authors:Zhu Qinghai  Wang Dian  Zhu Haoaheng
Abstract:The structure,level and efficiency of input as well.as farmland nutrient balanceand material transformation in a household were analysed in this paper. Results showed thatenergy and materials input were mainly organic. There were surplus of nitrogen,phosphorusand potasum in the farmland system. Energy and Feed conversion rate was higher because ofthe feed back of materials in the system.
Keywords:ecosystem  energy  material flowe
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