来自cĂlimani山脉的酸性岩石对植物营养支持的影响,以赤泥为基础

R. Lăcătuşu, V. Stroe, T. Marușca, N. Rizea, M. Lungu, Mihaela Monica Stanciu-Burileanu, R. Lazăr
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引用次数: 2

摘要

本文介绍了在受控条件下进行的一项试验的结果,该试验是关于小黑麦植物在由不同比例的赤泥、酸性岩石和堆肥混合组成的营养层上生长的。分析结果表明,该层呈强碱性反应,有机碳、流动磷、钾含量高,氮含量低。地层含盐量高,以钠盐为主。总微量元素和重金属含量基本可以接受。当试验停止时,小黑麦植株在这些条件下长到10-15厘米高。植株的氮、钙、镁含量正常,钾含量低,磷含量高,钠含量极高。金属微量元素(铜、铁、锰、锌)的积累相对正常,但重金属(镉、钴、铬、镍、铅)的浓度高达正常含量的几十倍。将获得的植物体引入营养层将有助于提高其在下一次植被循环中的肥力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
THE EFFECT OF ACID ROCK FROM CĂLIMANI MOUNTAINS ON MAKING UP A NUTRITIVE SUPPORT FOR PLANTS, BASED ON RED MUD
The paper presents the results of an experiment carried out in controlled conditions, regarding triticale plants growth on a nutritive layer consisting of a mixture of red mud, acid rock and compost, in different proportions. The analytical results highlighted the strongly alkaline reaction of the layer, high organic carbon, mobile phosphorus and potassium contents and low nitrogen contents. The layer has a high salinity and sodium salts are predominant. The total microelements and heavy metals contents are generally acceptable. The triticale plants grew in these conditions up to 10-15 cm height, when the experiment was stopped. The plants accumulated normal nitrogen, calcium and magnesium quantities, low potassium ones, high phosphorus and very high sodium contents. The metallic microelements (copper, iron, manganese, zinc) accumulated at relatively normal levels, but the heavy metals (cadmium, cobalt, chromium, nickel, lead) concentrated up to values several tens of times higher than the normal contents. Introducing the obtained vegetal mass in the nutritive layer will contribute to enhancing its fertility for the next vegetation cycles.
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