1. Sulfur nutrition of cowpea in the rainforest and savannah regions of nigeria

   • G. O. Kayode

   OriginalPaper Pages: 1 - 6

2. Ameliorating effects of phosphorus, lime and animal manure on wheat yield and root cation exchange capacity in degraded alfisols of north-west himalayas

   • Pritam K. Sharma
   • T. S. Verma
   • J. P. Gupta

   OriginalPaper Pages: 7 - 13

3. Spatial variability of n fertilizer application and wheat yield

   • M. Van Meirvenne
   • G. Hofman
   • P. Demyttenaere

   OriginalPaper Pages: 15 - 23

4. Fate of fertilizer nitrogen applied to wheat under simulated mediterranean environmental conditions

   • R. J. Buresh
   • P. L. G. Vlek
   • K. Harmsen

   OriginalPaper Pages: 25 - 36

5. Factors affecting the solubility of phosphate rock residues in 2% citric acid and 2% formic acid

   • A. C. Braithwaite
   • A. C. Eaton
   • P. S. Groom

   OriginalPaper Pages: 37 - 42

6. International fertilizer development center training and technical assistance activities: A review

   • E. C. Kapusta
   • R. S. Giroti
   • D. H. Parish

   OriginalPaper Pages: 43 - 48