论文部分内容阅读
今天,对于棉株发育初期是否应该供给它以磷肥的问题,没有谁不引起疑问。关于这个问题已经有许多不同的见解。我们能够从贮马钦柯的试验中看出施肥对棉花产量的作用。播种时每公顷施用20公斤 P2O5,甚至它比通常的施用量(每公顷10公斤的)产量还要高些(植棉业杂志1955年第2期)。贮马钦柯另外一些刊载于植棉业杂志1955年第6期上的文章中又说道,在塔什干共和国阿尔得热尼基德洁阿巴得地区的“莫斯科”农庄,以及其他一些先进农庄,都
Today, no questions should be asked as to whether phosphorus should be supplied to cotton plants in their early stages of development. There are many different opinions on this issue. We can see the effect of fertilization on cotton yield from the test of Marchenko. 20 kg P2O5 per hectare is applied at the time of planting, and even more so than the usual application (10 kg per hectare) (Journal of Cotton Plantation 1955, No. 2). In another article published in the journal Cotton Tree magazine No. 6, 1955, Makinchko said that the “Moscow” farms in the Al-Adha-Genijaih Abad region of the Tashkent, as well as some other advanced farms, All