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 ReulerB. H. Janssen OriginalPaper Pages: 1 - 11
Response of lowland rice and common bean grown in rotation to soil fertility levels on a Varzea soil N. K. FageriaV. C. Baligar OriginalPaper Pages: 13 - 20
Use of chlorophyll meter for nitrogen management in lowland rice I. JohnkuttySP. Palaniappan OriginalPaper Pages: 21 - 24
Influence of the concentrated pig slurry on soil and corn fodder yield and chemical composition in presence of N top dressing E. VasconcelosF. Cabral OriginalPaper Pages: 25 - 29
Effect of encapsulated calcium carbide and urea application methods on denitrification and N loss from flooded rice D. G. KeerthisingheLin Xin-JianA. R. Mosier OriginalPaper Pages: 31 - 36
Effectiveness of Ecophos compared with single and coastal superphosphates M. D. A. Bolland OriginalPaper Pages: 37 - 49
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
Effects of applied nitrogen on soil nitrate-nitrogen content after harvest of winter barley I. R. RichardsP. A. WallaceG. A. Paulson OriginalPaper Pages: 61 - 67
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. HinsingerM. D. A. BollandR. J. Gilkes OriginalPaper Pages: 69 - 79
Nitrite in soils: accumulation and role in the formation of gaseous N compounds Oswald Van CleemputAbdullahi H. Samater Mini review Pages: 81 - 89