Soil organic phosphorus : a review of world literature /

समान संसाधन

• Soil organic matter : analysis and interpretation /
  प्रकाशित: (1996)
• Extraction of macro organic matter from soil /
  द्वारा: Holt, J. A.
  प्रकाशित: (1980)
• Advances in soil organic matter research: the impact on agriculture and the environment /
  प्रकाशित: (1991)
• Soil organic matter : biological and ecological effects /
  द्वारा: Tate, Robert L., 1944-
  प्रकाशित: (1987)
• Soil organic matter and its role in crop production
  द्वारा: Allison, Franklin E. (Franklin Elmer), 1892-1972
  प्रकाशित: (1973)