The essential cause of iron nutritiondeficiency lie in that soil soluble iron cannot satisfy the need of plants.
土壤中活性铁远远不能满足植物所需含铁量,这是造成葡萄铁营养不酒足的根本原因。
2
However, in the meantime China is still facing the dual challenges of nutritiondeficiency and nutrition imbalance.
同时我国仍面临着营养缺乏与营养失衡的双重挑战。
3
The biological function of copper and the impacts on animal due to deficiency of copper are reviewed in this article. In addition, the prospects of copper nutrition are also expected.