桓台县麦玉两熟系统化肥投入及土壤养分资源研究 关键词 麦玉两熟系统 化肥投入 土壤养分资源 [gap=1253]Key words Winter wheat—corn rotation system,Fertilizer input,So~l nutrient resources
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The main factors that impact agriculture and economic growth are: the level of fertilizer input,the amount of farming total area,and the amount of agricultural labor. The elasticity of fertilizer input level to total agricultural output value was 1.8.
化肥施用量对我国农业总产值的弹性系数为1.8;耕种总面积对我国种植业总产值的弹性系数为4.29。
参考来源 - 我国种植业经济增长的实证分析·2,447,543篇论文数据,部分数据来源于NoteExpress
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