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地理科学进展 2010
Indicators and Model on Agricultural Intergrated Potential Productivity
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Abstract:
By analysis of the classical research achievements of physical potential productivity and famous agro-laws on social-economic factors since the 1960s in China,this paper presented rela-tive systematic indicators on the integrated agricultural potential productivity.According to the main environmental factors relateded to plant growth and grain yield,the authors selected sunlight,heat,precipitation and soil as the key indicators to establish a system of physical potential productivity,and then according to t...