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在提到果树定植和撩壕改土施用有机肥时,有关书刊上经常使用“分层施入”这一词。不管其编著者的本意如何,这种说法通常被理解成一层肥料、一层土式地施用。特别是一些果树新开发区的果农,在施用有机肥时常常这样“分层”。笔者通过对本单位100多亩小老树桔园改造前后的对比,认为这种“夹心饼”式的有机肥施用方法效果较差,不如混土施用的效果好。
When referring to the application of organic fertilizer for fruit tree planting and tending improvement of moorings, the term “stratified application” is often used in related publications. Regardless of the intent of its authors, this is often understood as a layer of fertilizer, applied on the soil. In particular, some fruit growers in new developments in fruit trees are often “stratified” when applying organic fertilizer. The author through the unit of more than 100 acres of small orange trees before and after the transformation of the old garden that the “sandwich cake” type of organic fertilizer application method is less effective, as good effect of mixed soil.