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养分归还学说
释义
养分归还学说
Encyclopedia
农学
[肥料养分效率]
释
theory of nutrient returns
养分归还学说
为维持土壤肥力而必须归还作物从土壤中取走养分的理论。即植物收获物从土壤带走的养分,必需“返还”至土壤才能维持土地生产力。
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neutron flow function
neutron flow theory
neutron fluence
neutron fluence rate
neutron fluence(rate) standard
neutron flux
neutron-gamma log
neutron-gamma method
neutron generator
neutron halo
neutron halo nucleus
neutron howitzer
neutronics
neutron imaging
neutron induced fission
neutron-induced fission
neutron induced nuclear reaction
neutron [induced] reaction
neutron induced reaction
neutron inelastic scattering
neutron integrated flux
neutron interaction with matter
neutron irradiation
neutronization
neutron leakage
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