改良作物品质
Improve the quality of crops
以上为机器翻译结果，长、整句建议使用 人工翻译 。
结果表明，该有机-无机复混肥可有效提高作物产量，改善作物品质，并对土壤具有显著的改良作用。
The field test of the organic-inorganic compound fertilizer is also made. The results show that the compound fertilizer can increase yield, upgrade crop quality and improve the soil properties.
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