This paper presents the results of the chemical analysis of the content of heavy metals (cadmium, chromium and lead) in the soils from the agricultural plots in four sites of the individual sector sown with the variety alfalfa Banat ZMS II. The test sites v. Jegunovce -Tetovo, v. Radusha -Skopje, and v. Kochilari -Veles are in the vicinity of certain pollutants (factory Jugochrom -Jegunovce, an abandoned mine for chromium and iron in Radusha, the smeltery of lead and zinc -Veles), while the v. Saraj -Skopje site is located in the middle of the noncontaminated environment and is taken for results comparation. The content of heavy metals (Cd, Cr and Pb) in the dry vegetation mass of the experimental alfalfa from the same sites was also researched in two phases of development where the following values were found such as <50 (Cd), <2.00 (Cr) and <2.00 (Pb) mg / kg dry mass, namely alfalfa selective capability to the analyzed heavy metals, besides their presence in soils, primarily chromium whose values were higher than the maximum permissible amount (>100 mg/kg soil).
In this research, the test parcels from for different locations, where the alfalfa variety Banat ZMS II is cultivated, were included. The aim of this abstract is to establish the content of macrobiogen elements (N, P, K) in the soil, i.e. fertility of test soils and their attendance in the dry mass of the cultivated alfalfa. The results from the agrochemical analysis of soils from the test parcels in v. Saraj (Skopje), v. Raduša (Skopje), v. Jegunovce (Tetovo) and v. Kodžilari (Veles) have indicated different quantities of the same examined macrobiogen elements, i.e. their different fertility. The examined macrobiogen elements (N, P, K) in the dry plant mass of the sown alfalfa on aforementioned location, have showed their different value in dependence of the degradation of soil, with all the same, whereby and from their amount proportion in the soil solution. The contents of N, P and K in the dry mass of alfalfa leaves and stems, is also significantly different, which points at their diverse dynamics on uptake and accumulating from distinct parts of alfalfa as forage culture.
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