كتب ذات صلة

Studies on ammonification in soils by pure cultures

Studies on ammonification in soils by pure cultures

Principles of soil microbiology

Mycotrophy in plants lectures on the biology of mycorrhizae and related structures.

• Soil conditions and plant growth.
  المؤلفون: Russell, Edward J.
• Lessons on soil.
  المؤلفون: Russell, Edward J.
• The fertility of the soil
  المؤلفون: Russell, Edward J.

• Notes on building construction : arranged to meet the requirements of the syllabus of the Board of Education.
  
• The wild elephant and the method of capturing and taming it in Ceylon.
  المؤلفون: Tennent, James Emerson
• The vegetable proteins
  المؤلفون: Osborne, Thomas B.