كتب ذات صلة

Studies on ammonification in soils by pure cultures

Studies on ammonification in soils by pure cultures

Principles of soil microbiology

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

• The effects of alkali on citrus trees
  المؤلفون: Kelley, W. P. ,  Thomas, Edward Ellis
• The effects of alkali on citrus trees
  المؤلفون: Kelley, W. P. ,  Thomas, Edward E.

• The use of lime and gypsum on California soils.
  المؤلفون: Lipman, C. B.
• University of California publications in botany.
  
• University of California publications in botany.