كتب ذات صلة

Studies on ammonification in soils by pure cultures

Soy beans and secrets of legume inoculation ...

Nitrogen fixation by yeasts and other fungi by Charles B. Lipman ...

The fixation of atmospheric nitrogen a communication made to the Cairo Scientific Society, January 3, 1919

• Vertical farming
  المؤلفون: Bailey, Gilbert Ellis
• Introduction to the soils of California
  المؤلفون: Bailey, Gilbert Ellis