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1·The biological effect of protectively applied nitrogen on nodulation N-fixing activity, nitrogen forms in Xyloid liquid, and amount of assimilated nitrogen in soybean were studied.

从大豆结瘤、固氮活性、木质部溶质氮形态以及植株同化氮量论证了保护性施氮的生物学效应。

2·The results of experiment showed that the rooting capability of young ramulus cuttings with the xyloid basis and old cuttings with the flower buds removed was stronger than that of the control.

结果表明，保留木质基部的嫩枝插穗和摘去花苞的硬枝插穗其生根能力显著高于对照。

3·The utility model relates to a handwriting input device, in particular to a xyloid handwriting pen for screen input, the handwriting pen can change the pen head which adopts the xyloid material.

本实用新型涉及一种手写输入设备，特别是一种可更换笔头的，并且笔头为木质材料的屏幕输入用木质手写笔。