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在华南酸性土壤上,使用骨粉作肥料,效果很好;但是在华北石灰质土壤上的情况则完全不同。近年华北有大量骨粉用在本地农业生产上,群众对于骨粉肥效的反映,颇不一致:有的说效果不大,有的说没有效果,有的地方群众用了一次再也不买了,也有的劳模讲究氮磷钾三要素的配合,而使用骨粉,也有的劳模反映说试了一下没有效果再也不用了等等情况。总之说明在华北骨纷的肥效是一个问题,华北的土壤大部为石灰质土壤,在这样土壤上,骨粉的肥效到底如何,是一个试验研究的问题。兹根据近三年来调查及试验结果,对于骨粉的肥料效果,提出初步意见,以供参考。
In southern China acid soil, the use of bone meal as a fertilizer, the effect is very good; but in North China calcareous soil is completely different. In recent years, a large amount of bone meal in northern China has been used in local agricultural production. The mass response to the effect of bone meal is quite inconsistent: some say it is ineffective and some said it does not work and some local people once use it for a while and others do not. Lamor pay attention to the three elements of NPK with the use of bone meal, but also some laborers said that there is no effect test tried again no need and so on. In a word, it is a question that the fertilizer effect of Borgau in North China is a problem. Most of the soil in North China is calcareous soil. In this kind of soil, the effect of bone meal on fertilizer efficiency is an experimental research question. Based on the investigation and test results in the recent three years, we have put forward preliminary opinions on the effect of fertilizer on bone meal for reference.