Soil quality. Biological methods. Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes— 22 стр.
Soil quality. Determination of the effects of pollutants on soil flora. Effects of contaminated soil on the emergence and early growth of higher plants— 28 стр.
Soil quality. Contact test for solid samples using the dehydrogenase activity of $iA$ir$it$ih$ir$io$ib$ia$ic$it$ie$ir $ig$il$io$ib$ii$if$io$ir$im$ii$is— 38 стр.
