【摘 要】
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省亚热带作物所和瓯海县林业局于1983年开展黑荆树一年生幼林追肥试验,分别采用每株施过磷酸钙0.2斤、钙镁磷肥0.2斤、生石灰0.4斤和过磷酸钙加尿素各0.2斤,并以不施肥作对
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省亚热带作物所和瓯海县林业局于1983年开展黑荆树一年生幼林追肥试验,分别采用每株施过磷酸钙0.2斤、钙镁磷肥0.2斤、生石灰0.4斤和过磷酸钙加尿素各0.2斤,并以不施肥作对照。试验结果表明:施肥后9个月的幼树高、径生长量以施过磷酸钙加尿素的混合肥最好,其树高生长量比对照增加35.34％。根径增加53.16％。施过磷酸
Provincial Subtropical Crops and Ouhai County Forestry Bureau in 1983 to carry out annual trials of Acacia mellitus seedlings topdressing trials were used per plant over calcium phosphate 0.2 kg, 0.2 kg of calcium magnesium phosphate, 0.4 kg of lime and calcium superphosphate plus 0.2 each 0.2 Kg, and without fertilization as a control. The results showed that the height and diameter growth of young trees at 9 months after fertilization were the best by using calcium phosphate plus urea as fertilizer, and the height growth of trees was 35.34% higher than that of the control. Root diameter increased 53.16%. Apply phosphoric acid
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