2 كتب إلكترونية بواسطة Ronald F Follett
Ronald F Follett & A.J. Franzluebbers: Managing Agricultural Greenhouse Gases
Global climate change is a natural process that currently appears to be strongly influenced by human activities, which increase atmospheric concentrations of greenhouse gases (GHG). Agriculture contr …
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€101.40
Ronald F Follett: Nitrogen Management and Ground Water Protection
Supplying crops with adequate nitrogen is vital to ensuring food supplies. Once nitrogen is added to the soil, it is subject to chemical transformations of the nitrogen-cycle including transformation …
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€56.08