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为探索通过施用肥料加快香根草生长，促进生物篱形成，作为防治土壤侵蚀的措施，自1995年开始，开展了本项研究。试验结果表明，在农耕地种植香根草，施肥无明显效果。如在农耕地繁殖普根本苗，需要施用化肥时，以做追肥为宜。在济薄的坡地种植香根草，施用肥料有明显的效果，并以有机肥与化肥配施效果较佳。化肥中如缺乏磷肥，将严重影响香根革的生长；在氮磷钾配合施用时，分次施用较移栽时全部一次施入为好。在瘦坡地施肥，有利于香根草篱的形成，对水土流失的控制有明显的效果。
In order to explore ways to accelerate the growth of vetiver by applying fertilizers and to promote the formation of bio-hedges, this study has been carried out since 1995 as a measure to combat soil erosion. The results show that the cultivation of vetiver on the farmland, fertilization no significant effect. As in the breeding of cultivated Plum seedlings, the need to apply fertilizer, top dressing is appropriate. Planting vetiver grass on sloping fields, the application of fertilizer has a significant effect, and organic fertilizer and fertilizer with better results. Fertilizer, such as the lack of phosphate fertilizer, will severely affect the growth of incense root; in the NPK with the application of grafting than when transplanted all the time as well. Fertilizing on a sloping field is beneficial to the formation of vetiver hedgerows and has a significant effect on soil erosion control.