1)four elements fertilizer,四要素肥料2)four factors of fertilize,肥料四要素3)fertilizer element,肥料要素4)three essential factors of fertilizer,肥料三要素5)three major fertilizer,三要素肥料6)element of mixed fertilizer,混合肥料要素
用法和例句
The relationship of three essential factors of fertilizer and physiology of Larix kaempferi seedlings;
