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.

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室内采用土培法分别测定了不同浓度胺苯磺隆和不同浓度己酸二乙氨基乙醇酯（简称DA-6）对水稻生长的影响以及不同浓度胺苯磺隆处理下DA-6对水稻根生长的影响。

The paper presented the effect of ethametsulfuron and DA-6 on the growth of rice seedlings at the different concentrations in soil using bioassay methods in the room.

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