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肥料养分偏因子生产力
释义
肥料养分偏因子生产力
Encyclopedia
农学
[肥料养分效率]
释
nutrient partial factor productivity
肥料养分偏因子生产力
施用单位养分的作物产量。主要由施肥区的作物产量与养分施入量的比值求得。
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age appraisal technique of records
age characteristics
age classes
age-class table
age composition
AGED
aged
age dating
age death ratel
age-dependent branching process
age-dependent policy
age-dependent process
age-deposition
age determination
age determination based on skeleton
Aged institution management
age distribution
aged readers
aged real estate market
aged security
aged social work
age effect
age estimation
Age Exchange
age for criminal responsibility
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