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一般盆栽月季的培养土,无论上盆时如何肥沃、疏松,栽培一两年后都会出现物理性状及保水保肥性能等变差的现象。鉴于此,我们苗圃对阳台、天台栽培的月季,改用纯锯末作基质,盆底施少量基肥,再配合追施有机肥水、化肥液等,一直长势不衰。有的8年没换过栽培基质,至今也未见衰老迹象。据研究,锯末具有优良的物理性能:其总孔隙度为78.3％,气水比为1:1.26,因此通气能力比普通培养土好,保水、保肥能力更强,同时能源源不断地分解出腐殖
General potted rose cultivation soil, no matter how fertile when the basin, loose, cultivated a year or two will appear physical properties and water and fertilizer performance worse. In view of this, we nurseries on the balcony, rooftop cultivation of roses, switch to pure sawdust as a substrate, basal application of a small amount of base fertilizer, coupled with the top dressing organic fertilizer water, fertilizer and other liquid, has been growing. Some of the 8 years did not change the culture substrate, so far no signs of aging. According to the study, sawdust has excellent physical properties: the total porosity of 78.3%, air-water ratio of 1: 1.26, so the aeration capacity is better than ordinary culture soil, water retention, fertilizer and more capable, while continuously breaking down the source of energy Humus