本文系统地报道了氯化胺、过磷酸钙、苹果枝木灰和饼肥四种肥料对国光和青香蕉苹果树的根际营养效果。

This paper systematically reports the effect of root nutrition in apple trees. After apply the four fertilizers, the best effect is the apple branch ash.

youdao

本文系统地报道了氯化胺、过磷酸钙、苹果枝木灰和饼肥四种肥料对国光和青香蕉苹果树的根际营养效果。

This paper systematically reports the effect of root nutrition in apple trees. After apply the four fertilizers, the best effect is the apple branch ash.

youdao