土壤施肥中铜对小麦籽粒的生物强化作用

J. Korzeniowska, K. Kantek
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引用次数: 2

摘要

近年来,在文献中,经常有关于我国各群体居民饮食中铜含量不足的报道。这是令人不安的,因为从预防心血管疾病的角度来看,充足的铜输入是重要的。同时,波兰种植的小麦籽粒具有这种元素含量低的特点。考虑到铜的主要来源是面包和谷物制品,提高小麦籽粒中铜的含量是重要的问题。如果日粮营养不足同时伴有土壤营养不足,则通过施肥进行生物强化是一种有利的解决办法。盆栽试验表明,土壤铜肥有可能显著提高小麦籽粒中铜的含量。在低有机质土壤中,籽粒铜的缺铜量与富余铜量之间的微小差异可能导致铜的过量。因此,用铜对小麦进行生物强化,需要在田间试验条件下精确测定土壤施肥剂量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Biofortifcation of Wheat Grain with Copper Through Soil Fertilization
Abstract In recent years, in the literature, there have been frequent reports of insuffcient amounts of copper in the diet of various groups of the inhabitants of our country. This is disturbing as the adequate input of copper is signifcant from the point of view of prevention of cardiovascular diseases. At the same time, grain of wheat cultivated in Poland is characterized by low content of this element. Considering that the main source of Cu is bread and cereal preparations, the important issue is to increase the content of Cu in the grain of wheat. If the defciency in the diet is accompanied by the defciencies in the soil, biofortifcation through fertilization is a favourable solution. Pot experiments have shown the pos-sibility to signifcantly increase Cu content in the grain of wheat as a result of soil fertilization with copper. It was also found that a small difference between the defciency and surplus of Cu in the grain may lead to some copper excess content, especially on the soils with low organic matter content. For this reason, biofortifcation of wheat with copper requires a precise determination of soil fertilization doses under the conditions of feld experiments.
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