Soil fetility Renewal and preservation: Biodynamic farming and gardening.1 /

समान संसाधन

• Soil fetility in India 1967 /
  द्वारा: Agarwal, Rr
• Soils land soil fetility. Ed. 3. 1973 /
  द्वारा: Thompson, Louis M.
  प्रकाशित: (1973)
• Commercial fetilizers their sources and use /
  द्वारा: Collings, Gilbert H.
  प्रकाशित: (1955)
• Manures and fetilizers and their horticultural application /
  द्वारा: Faulkner, Rp
  प्रकाशित: (1940)
• Soil fetility and sertilizers 1956. Ed2. 1970 /
  द्वारा: Tisdale, Samuel
  प्रकाशित: (1956)