1. Comparison of the fertilizing effects of ash from burnt secondary vegetation and of mineral fertilizers on upland rice in south-west Côte d'Ivoire

   • H. Van Reuler
   • B. H. Janssen

   OriginalPaper Pages: 1 - 11

2. Response of lowland rice and common bean grown in rotation to soil fertility levels on a Varzea soil

   • N. K. Fageria
   • V. C. Baligar

   OriginalPaper Pages: 13 - 20

3. Use of chlorophyll meter for nitrogen management in lowland rice

   • I. Johnkutty
   • SP. Palaniappan

   OriginalPaper Pages: 21 - 24

4. Influence of the concentrated pig slurry on soil and corn fodder yield and chemical composition in presence of N top dressing

   • E. Vasconcelos
   • F. Cabral

   OriginalPaper Pages: 25 - 29

5. Effect of encapsulated calcium carbide and urea application methods on denitrification and N loss from flooded rice

   • D. G. Keerthisinghe
   • Lin Xin-Jian
   • A. R. Mosier

   OriginalPaper Pages: 31 - 36

6. Effectiveness of Ecophos compared with single and coastal superphosphates

   • M. D. A. Bolland

   OriginalPaper Pages: 37 - 49

7. The effect of matongo rock phosphate and urea as compared to di-ammonium phosphate in the composting process and the yield of potatoes in the Mugamba region in Burundi

   • C. H. Van den Berghe

   OriginalPaper Pages: 51 - 59

8. Effects of applied nitrogen on soil nitrate-nitrogen content after harvest of winter barley

   • I. R. Richards
   • P. A. Wallace
   • G. A. Paulson

   OriginalPaper Pages: 61 - 67

9. Silicate rock powder: effect on selected chemical properties of a range of soils from Western Australia and on plant growth as assessed in a glasshouse experiment

   • P. Hinsinger
   • M. D. A. Bolland
   • R. J. Gilkes

   OriginalPaper Pages: 69 - 79

10. Nitrite in soils: accumulation and role in the formation of gaseous N compounds

    • Oswald Van Cleemput
    • Abdullahi H. Samater

    Mini review Pages: 81 - 89