potassium carbonate fertilizer是什么意思

用法例句

Fertilizer KNO 3 has distinct effect on the output of aboveground and underground part of Dioscorea panthaica and increase the biomass of secondary rhizomes.

通过对施用硝酸钾肥和复合肥的比较试验 ,表明硝酸钾肥对促进黄山药 (Dioscoreapanthaica)地上、地下部分生长 ,提高次生根茎产量有显著效果。