1. Soil respiration;Anderson,1982
2. Effects of agricultural practices on physical, chemical and biological properties of soils: part 1 — effect of some agricultural practices on the biological soil fertility;Balloni,1987
3. The effect of soil texture and soil management on microbial biomass and soil enzyme activities in arable soils of Northwest Germany;Beyer;Agrobiological Research,1992
4. Soil microbial biomass and selected soil enzyme activities: effects of fertilization and cropping practices;Bolton;Soil Biology & Biochemistry,1985
5. Measurement of carbohydrates in soil hydrolysates with anthrone;Brink;Soil Science,1960