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腐殖酸类肥料的增产效果,近年来已有大量报导。试验和生产的实践证明:腐肥对农作物既有刺激作用,又能提供作物可吸收的养分,并且改良了土壤,从而对产量的提高产生了良好的效果。为了明确腐肥
The yield increase of humic acid fertilizer has been reported extensively in recent years. Experiments and production have proved that rotting fertilizer has stimulative effects on crops, but also provides crops with nutrients that can be absorbed and improves the soil so as to have a good effect on the yield increase. In order to clarify fertilizer