Effect of iron on yield and performance of upland rice (var OS6) in South West Nigeria Akinola A. AgboolaHoward N. Fube OriginalPaper Pages: 119 - 126
Long-term nutrient absorption rates and competition between ions in banana in relation to supply of K, Mg and Mn D. W. TurnerB. Barkus OriginalPaper Pages: 127 - 134
Evaluation of barium, rubidium and strontium contents in commercial fertilizers N. SenesiM. PolemioL. Lorusso OriginalPaper Pages: 135 - 144
Relationships between soil urease activity and other properties of some tropical wetland rice soils KL Sahrawat OriginalPaper Pages: 145 - 150
Seasonal distribution of quantities of phosphorus in different component organs of mango (Mangifera indica L) CV Langra S Eswara ReddyB NarasimhamAm Majmudar OriginalPaper Pages: 151 - 154
Fertilization with phosphorus and nitrogen in young spruce stands (Picea abies Karst.) Hans Joachim FiedlerWolfgang NebeJoachim Lerch OriginalPaper Pages: 155 - 164
Effects of the nitrification inhibitor N-Serve on the utilization of fall-applied urea by wheat H MouchováJ Apltauer OriginalPaper Pages: 165 - 180
Crop responses to fertilizers, lime and micronutrients under continuous cultivation in northern Nigeria L SinghV Balasubramanian OriginalPaper Pages: 181 - 190
Urea release from silicate- and polymer-coated urea in water and a simulated wetland soil NK SavantAF JamesGH McClellan OriginalPaper Pages: 191 - 199