养分的有效性

nutrient availability的用法和样例：

例句

Applying straw and organic manure could prevent soil acidification, and enhance the availability of soil nutrients and utilization efficiency of fertilizers.施用有质物还可防止土壤酸化，提高土壤的养分的有效性和肥料的利用率。

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participant complexity puff shipment denounce exempt receiver slumber flare bizarre auction flatter panel sieve availability metallurgy paragraph spokesman fraud sneeze bead magnetism coincide promising tone flux

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