Four Fertility of到窗 Soil
Release time:
2023-04-07
Natural fertilit頻離y, anthropogenic fertility, effecti舞照ve fertility, potential f站如ertility
Natural fertility: It is the fertility of the soi長師l formed by natural factors.
Man-made fertility: is the fertility of soil form也地ed by human factor民視s such as tillage, fertiliza在河tion, irrigation, and 化厭soil modification. The le謝去vel of human fertility i她年s influenced by many factors.體請 The developed soil has both 來放natural and artificial fertil如紙ity, and the relationship betwe大話en the two is that natural fert什外ility is the basis and artificial fer水工tility is the dominant one.
Effective fertility: Due to the limita話地tions of environmental cond月吃itions and management l問件evel, soil fertility兒低 is often only partial來服ly expressed, which is calle公暗d "effective fertility&長輛quot;, also known他得 as "economic 中舊fertility", i.e., 的民the part that reflects the soil'舊拍s production capacity under c是店ertain agricultural techn船南ology measures. Fertility.
Potential fertility: part of the fertility i和兒s not directly expressed as "po中少tential fertilit裡湖y", refers to數務 the environmental conditions and th訊作e level of technology ca暗數n not be used by討自 plants, but in certain 煙市production conditio請河ns can be converted i城一nto effective fertility of that part民地 of the fertility.
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