Evaluating the efficacy of various phosphate fertiliser sources for oil palm seedlings A. R. ZaharahH. ZulkifliH. A. H. Sharifuddin OriginalPaper Pages: 93 - 98
Phosphate sorption isotherms in relation to P nutrition of wheat (Triticum aestivum) O. P. ChoudharyB. R. AroraH. S. Hundal OriginalPaper Pages: 99 - 106
Nitrogen balance and N recovery after 22 years of maize-wheat-cowpea cropping in a long-term experiment D. K. BenbiC. R. Biswas OriginalPaper Pages: 107 - 114
Phosphorus supplying capacity of heavily fertilized soils I. Phosphorus adsorption characteristics and phosphorus fractionation V. SubramaniamB. R. Singh OriginalPaper Pages: 115 - 122
Phosphorus supplying capacity of heavily fertilized soils II. Dry matter yield of successive crops and phosphorus uptake at different temperatures B. R. SinghV. Subramaniam OriginalPaper Pages: 123 - 134
Low use of fertilizers and low productivity in sub-Saharan Africa Wilfred M. Mwangi OriginalPaper Pages: 135 - 147
Nitrogen requirements of corn (Zea mays L.) as affected by monocropping and intercropping with Alfalfa (Medicago sativa) E. J. JellumS. Kuo OriginalPaper Pages: 149 - 156
Studies on the relationship between slurry pH, volatilization processes and the influence of acidifying additives Robert VandréJoachim Clemens OriginalPaper Pages: 157 - 165
The availability of nitrogen following topsoil application of liquid digested sludge W. BowdenM. J. Hann OriginalPaper Pages: 167 - 172
The value of nitrogen applied to wheat during early development R. Sylvester-BradleyD. B. DaviesP. A. Johnson OriginalPaper Pages: 173 - 180