MACRO AND MICROELEMENTS IN THE SOIL AND FEEDING GRASS OF BY-FARM FIELDS IN THE BARNAUL IS TRANSOB

The authors highlight significant and relevant problem, which is seen as fulfilling people needs in environmentally safe plant, and animal production, which is rich in minerals. The paper points out farmlands closely located to industrial centres that pollute environment and require specific controlling measures. The authors explore and assess macro and microelements composition of soils and plant production from farmlands of agricultural enterprises located in the suburbs of Barnaul. The researchers investigated soils and hay of perennial grasses from by-farm fields of Barnaulskoe enterprise and Sibirskie bychki enterprise. Mixed samples of soil were received from 0-20 sm plough-layer whereas grass hay was applied from rolls. Agrochemical properties of soils were investigated by means of general and standard methods. The researchers explored total concentration of macro and microelements in the soil and ash by means of atomic emission spectrometry and grating spectrograph PGS-2, arc argon two-spool plasmotron and multi-channel analyzer of emission spectrums. The researchers measured concentration of macro- and microelements in the soil in acetate-ammoniacal buffer solution with рН 4,8 by means of atomic emission spectrometry. Accuracy control was carried out by means of applying corresponding standards. The research results has shown lack of agrogenic or technogenic pollution caused by heavy metals and feeding grasses on by-farm fields of livestock enterprises located in the suburbs of the industrial city. Otherwise, the researchers revealed the problem of feeding crops in these farmlands. This problem deals with lack of concentration of elements P, Ca, Co, Cu, Mg, Mn, Na and Zn in feeding crops. Low concentration of elements in plant production shows insufficient mineral concentration and agrochemical problem, which is depletion of minerals necessary for plants.

macroelements, microelements, heavy metals, soil, forage grass, piterskie field, Barnaul Ob, макроэлементы, микроэлементы, тяжелые металлы, почвы, кормовые травы, прифермские поля, Барнаульское Приобье

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