1. Effect of iron on yield and performance of upland rice (var OS₆) in South West Nigeria

   • Akinola A. Agboola
   • Howard N. Fube

   OriginalPaper Pages: 119 - 126

2. Long-term nutrient absorption rates and competition between ions in banana in relation to supply of K, Mg and Mn

   • D. W. Turner
   • B. Barkus

   OriginalPaper Pages: 127 - 134

3. Evaluation of barium, rubidium and strontium contents in commercial fertilizers

   • N. Senesi
   • M. Polemio
   • L. Lorusso

   OriginalPaper Pages: 135 - 144

4. Relationships between soil urease activity and other properties of some tropical wetland rice soils

   • KL Sahrawat

   OriginalPaper Pages: 145 - 150

5. Seasonal distribution of quantities of phosphorus in different component organs of mango (Mangifera indica L) CV Langra

   • S Eswara Reddy
   • B Narasimham
   • Am Majmudar

   OriginalPaper Pages: 151 - 154

6. Fertilization with phosphorus and nitrogen in young spruce stands (Picea abies Karst.)

   • Hans Joachim Fiedler
   • Wolfgang Nebe
   • Joachim Lerch

   OriginalPaper Pages: 155 - 164

7. Effects of the nitrification inhibitor N-Serve on the utilization of fall-applied urea by wheat

   • H Mouchová
   • J Apltauer

   OriginalPaper Pages: 165 - 180

8. Crop responses to fertilizers, lime and micronutrients under continuous cultivation in northern Nigeria

   • L Singh
   • V Balasubramanian

   OriginalPaper Pages: 181 - 190

9. Urea release from silicate- and polymer-coated urea in water and a simulated wetland soil

   • NK Savant
   • AF James
   • GH McClellan

   OriginalPaper Pages: 191 - 199