Soil organic matter : biological and ecological effects /

समान संसाधन

• Soil organic matter and biological activity /
  प्रकाशित: (1985)
• 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
  प्रकाशित: (1978)