Manure or nitrogen and phosphorus as fertilizer. And the fifth way that the study found may improve sorghum production is to reduce crop tillage.是什么意思_Manure or nitrogen and phosphorus as fertilizer. And the fifth way that the study found may improve sorghum production is to reduce crop tillage.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句