Phosphorus bioavailability of fertilizers: A predictive laboratory method for its evaluation C. MorelJ. C. Fardeau OriginalPaper Pages: 1 - 9
Evaluation of two rock phosphates and a calcined rock phosphate as maintenance fertilizers for crop — pasture rotations in Western Australia M. D. A. BollandR. J. Gilkes OriginalPaper Pages: 11 - 24
Effects of nitrogen fertilizer application methods on growth and acetylene reduction activity ofAzolla pinnata and yield of rice A. B. MannaP. K. Singh OriginalPaper Pages: 25 - 30
Investigations on crop responses to applied phosphorus in semi-arid vertisols of India A. Chandra Sekhara RaoI. V. Subba Rao OriginalPaper Pages: 31 - 40
Trends in fertilizer use and production in sub-Saharan Africa, 1970–95: An overview B. L. Bumb OriginalPaper Pages: 41 - 48
Interaction of root distribution of corn with fertilizer placement and frequency of irrigation in lysimeters A. ShavivJ. Hagin OriginalPaper Pages: 49 - 54
Nitrogen-15 and sulfur-35 balances for fertilizers applied to transplanted rainfed lowland rice A. SatrusajangP. SnitwongseD. K. Friesen OriginalPaper Pages: 55 - 65
Phosphate sorption approach for determining phosphorus requirements of wheat in calcareous soils K. S. MemonH. K. PunoR. L. Fox OriginalPaper Pages: 67 - 72
A model to predict changes in soil moisture, NO3-N content and N uptake by wheat D. K. BenbiS. S. PriharH. S. Cheema OriginalPaper Pages: 73 - 84
Influence of pH, time and rate of application on phosphate rock dissolution and availability to pastures S. S. S. RajanR. L. FoxM. Upsdell OriginalPaper Pages: 85 - 93
Influence of pH, time and rate of application on phosphate rock dissolution and availability to pastures S. S. S. RajanR. L. FoxW. M. H. Saunders OriginalPaper Pages: 95 - 101
A particle analyser for measuring particle size distribution and shape, on-line or in the laboratory T. Jørgensen OriginalPaper Pages: 109 - 114
Suspension quality and grade from commercial MAP W. K. RylantO. E. MooreR. G. Lee OriginalPaper Pages: 115 - 122
Sulfur coating of urea treated with attapulgite clay L. L. GullettC. L. SimmonsR. G. Lee OriginalPaper Pages: 123 - 128