Soil fertility evaluation and control /

समान संसाधन

• The control of soil fertility /
  द्वारा: Cooke, G. W. (George William), 1916-
  प्रकाशित: (1967)
• Soil fertility and fertilizers /
  प्रकाशित: (1993)
• Soil fertility and fertilizers /
  द्वारा: Tisdale, Samuel L.
  प्रकाशित: (1984)
• Soil fertility: a biodynamical approach/
  द्वारा: Pauli, F.W
  प्रकाशित: (1967)
• Fertilizers for the farm and garden /
  द्वारा: Teakle, L. J. H.
  प्रकाशित: (1958)