Rational environmental management of agrochemicals risk assessment, monitoring, and remedial action

Available for University of the Philippines Diliman via ACS Publications. Click here to access
Also available remotely for University of the Philippines Diliman via ACS Publications. Click here to access thru EZproxy

Microbiology in action biological nitrogen fixation with general aspects of soil and food bacteriology

Acid soil and acid rain the impact on the environment of nitrogen and sulphur cycling por Kennedy, I. R.