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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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quasiperiodic sequence
quasiperiodic series
quasiperiodic set
quasi periodic solution
quasi-periodic solution
quasiperiodic solution
quasiperiodic state
quasiperiodic torus breakdown
quasi-periodic variable
quasi-periodic variation
quasi-periodic vibration
quasi-permutation
quasi phase match
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quasi-plane
quasi-plane curve
quasi-point radio source
quasi-polymer structure
quasi polynomial
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quasi-positive
quasi-potential
quasi-potential mapping
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