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对桉树专用肥促进林木生长的效果进行综合评价。通过桉树专用肥与桉树人工林常用的复合肥 :肥Ⅰ (荷兰进口 )、肥Ⅱ (来自广西 )及肥Ⅲ (来自广州 )进行施肥生长效果对比试验 ,结果表明 :与肥Ⅱ、肥Ⅲ比 ,专用肥用作基肥 ,幼林生长量提高 2 4%以上 ;用作追肥 ,生长量提高 14 %以上。大面积推广施用桉树专用肥 ,1.5年生无性系林分各小班蓄积为 2 3～ 5 0m3 /hm2 ,实生苗林分各小班蓄积为 16～ 30m3 /hm2 ;2 .5年生林分各小班蓄积为 36～ 6 5m3 /hm2 ;3.5年生林分各小班蓄积为 6 5～ 6 9m3 /hm2 。
Eucalyptus special fertilizer to promote the growth of trees comprehensive evaluation. Fertilizer Ⅱ (from Guangxi) and fertilizer Ⅲ (from Guangzhou) were used to test the effect of fertilization on the fertilizers of Eucalyptus and Eucalyptus plantations. The results showed that compared with fertilizers Ⅱ and Ⅲ , Special fertilizer used as basal fertilizer, young forest growth increased by 24% or more; for topdressing, growth increased by 14%. Large-scale popularization and application of eucalyptus special fertilizer, 1.5 years of clonal stand volume of each small class of 23 ~ 50m3 / hm2, seedling stands in each small class of accumulation of 16 ~ 30m3 / hm2; 36 ~ 65m3 / hm2; 3.5 years of small-scale forest stand volume of 65 ~ 6 9m3 / hm2.