This is a preview. Log in through your library . Abstract The main goal of the study was to determine the diversity of the potential nitrogen-fixing (PNF) bacteria inhabiting agricultural (A) soils ...
Originally published in vyp. 6 of Izvestiia Geograficheskogo instituta in Leningrad (romanized form) TENTATIVE CLASSIFICATION OF SOILFORMING PROCESSES AS RELATED TO SOIL GENESIS OPYT KLASSIFIKATSII ...
Human activity causes 10 times more erosion of continental surfaces than all natural processes combined, an analysis by a University of Michigan geologist shows. ANN ARBOR, Mich. --- Human activity ...
Soil erosion is a serious problem. Soil is not only lost, but lost soil accumulates elsewhere, causing problems. Soil and nutrients may end up in rivers and other water bodies, seriously affecting ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results