短語詞組短語quick available potassium 速效鉀soil available potassium 土壤有效鉀Rapid available potassium fertilizer 速效鉀肥readily available potassium 速效鉀fast -available potassium 速效鉀available potassium content 速效鉀含量soil available potassium content 土壤速效鉀含量rapidly available potassium 速效鉀slowly available potassium [肥料]緩效鉀 返回 available potassium