Critical level of soil available K
soil physical-chemical factor
Soil slowly available K
Soil eradicable factor K
Erodibility
可
腐蚀
可蚀性
土壤可蚀性因子K
易蚀性
腐蚀率
受蚀性
可侵蚀程度
可侵蚀性
侵蚀度
Conversion factor (K EC )
effective neutron multiplication factor k eff
effective sub-critical neutron multiplication factor k s with external neutron source