河西走廊农户生态系统农田能流和物流数量特征的研究 |
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引用本文: | 李发弟.河西走廊农户生态系统农田能流和物流数量特征的研究[J].生态学杂志,1993(6). |
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作者姓名: | 李发弟 |
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作者单位: | 甘肃农业大学畜牧系 |
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摘 要: | 河西走廊农户生态系统农田能流和物流数量特征的研究李发弟(甘肃农业大学畜牧系,兰州730070)QuantintiveCharacteristicsofEnergyFlowandNutrientCyclingofFarmlandinaFarmEcosysteminHexiCorridor¥LiFadi(DepartmentofAnimalHusbandry,GansuAgriculturalUnitversity).ChineseJour-nalofEcology,1993,12(6):37-40.Quantitativecharacteristicsofenergyflowandnutrientcyclingoffarmlandsubsysteminafarmecosys-teminHexiCorridorwerestudied.Theresultsshowedthatthedeflreeofopening,inputandoutputwerehigh,theratioofoutputtoinputofsubsidyenergy,nitrogenandphosphorusofthefarmlandsubsy
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