Content hydromica minerals in typical black soil



L. I. Kucher

Анотація


On the soil surface the black-steppe zone type, constituting about 5% of the total arable land. Most soil potassium is mainly in the mineral part, in the crystal lattice of primary and secondary minerals in both exchange and non-exchange or so-absorbed state in soil colloids. The most available to plants reserve of this element in the soil is hydromica, vermiculite, montmorillonite, feldspar. There is sufficient minerals in soil type black soil steppe and steppe zones. Our objective was to determine the content of finely dispersed humus fraction of a typical content of gross potassium contents hydromica identify as the most accessible reserve potash plant nutrition. A knowledge of the properties and the mineral potassium compounds in soils is large for the proper and effective use of potash.

Ключові слова


typical humus, total potassium, silt fraction, hydro-mica reserves

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Посилання


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