zhǐ / yǒu / fǔ / shú / de / yǒu / jī / féi / cái / shì / hé / zhí / jiē / yòng / yú / zhòng / zhí / shū / cài

只有腐熟的有机肥才适合直接用于种植蔬菜。

Only fully decomposed organic fertilizer is suitable for direct use when growing vegetables.