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humic fertilizers
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humic fertilizers
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新型肥料
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humic fertilizers
腐殖酸类肥料
以泥炭、褐煤、风化煤、秸秆和木屑等为主要原料,经过化学处理或再掺入无机肥料而制成的新型肥料。是一种含有腐殖酸类物质的新型肥料,也是一种多功能肥料。简称腐肥。
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left residual
left resolution
left reversibility
left reversible semigroup
left Riemann integral
left-right axis
left right correlation
left-right correlation
left/right hand spinors
(left,right) ideal of an algebra
left (right) parametrix
left-right points combination,left-right points association
left (right) serial ring
left ring
left R module
left R-module
left rotation
left satellite
left screw
left secondary element
left secondary radical
left self-injective ring
left semi-chain ring
left semicontinuous
left semi Fredholm operator
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