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The silvery white, very soft alloy (Ca = calcium) for iron and aluminum is the third most abundant metal and the fifth most abundant element in the earth's crust. Because of its reactivity, it is chemically bonded only in front of over 700 mostly as carbonate minerals, fluorite, or sulfate. Calcium-containing minerals such as basalt, Dionit, calcite, chalk, gypsum, granite, marble and clay are present in large quantities, which consist mainly of limestone Alps. As an essential component of living matter, it is involved in the structure of leaves, shells, bones and teeth significantly. Due to the abundance in nature, it is rare to deficiency symptoms. The carbonates are mainly the remains of marine organisms (corals, clams, snails) that have accumulated over millions of years.
Calcium is one of the major Nutrients for the growth of Vine of very great importance. It reinforces the cell wall structure, activates numerous enzyme and prevents the skins the penetration of harmful Microorganisms . In the vineyard provides a positive calcium for optimal water discharge or discharges excess water. In addition, the availability of other nutrients is improved for the vine. A surplus of calcium favors the occurrence of chlorosis , in the extreme extent it is negative for viticulture. A small proportion of causes acidic soils with low pH value . This is especially Precipitation Areas before and impaired root growth. At pH values â€‹â€‹below 5.9 is a fertilization (liming) is recommended. Incidentally, calcium and in the supply of nutrients to some extent the same functions and can replace up against each other to some degree. Refer to lime / limestone under soil type .