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各地苗圃大都采用每年留1/3圃地停播休闲的办法来恢复育苗地的肥力,培育更多的优质壮苗,满足更新造林需要。事实证明,这对多育苗、育壮苗有积极作用,可提高造林成活率。许多育苗圃地经过长期播种育苗,地力减退,加上每年起苗带土,表土逐渐减少,变贫瘠。经过轮作休闲,翻耕灭草,有利于恢复肥力,消灭病虫害,改良土壤结构。但是,有些地区由于对苗圃地实行轮播休闲的意义认识不足,往往把休
Most nurseries around the country every year to stay at 1/3 stop broadcasting leisure approach to restore the fertility of nursery, nurturing more quality seedlings, to meet the needs of reforestation. Facts have proved that it has a positive effect on breeding more seedlings and raising seedlings, which can increase the survival rate of afforestation. Many nursery nursery through long-term sowing seedlings, fertility decline, together with the annual seedling with soil, topsoil gradually reduced, become barren. After rounds of leisure, tillage weeds, is conducive to the restoration of fertility, eliminate pests and diseases, improve the soil structure. However, in some areas, due to lack of understanding of the significance of carousel recreation in nurseries,