Soil improvers and growing media. Determination of physical properties. Dry bulk density, air volume, water volume, shrinkage value and total pore space— 32 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— 30 стр.
Plastics. Determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved— 26 стр.