1. Contribution of ammonia volatilization to total nitrogen loss after applications of urea to wetland rice fields

   • IRP Fillery
   • JR Simpson
   • SK De Datta

   OriginalPaper Pages: 193 - 202

2. In vitro effects of urease inhibitors on rate of urea hydrolysis in soils

   • HM Abdel Magid
   • YE El Mahi

   OriginalPaper Pages: 203 - 212

3. Response of chickpea (Cicer arietinum) to zinc fertilization and its critical level in soils of semi-arid tropics

   • Kuldeep Singh
   • VK Gupta

   OriginalPaper Pages: 213 - 218

4. Partial acidulation of an ‘unground’ phosphate rock: II. Plant availability of phosphate

   • SSS Rajan

   OriginalPaper Pages: 219 - 229

5. Studies on urea hydrolysis in salt affected soils

   • Balwinder Singh
   • M. S. Bajwa

   OriginalPaper Pages: 231 - 240

6. Evaluation of the fertilizer value of some indigenous rock phosphates and basic slag of India

   • NC Debnath
   • RK Basak

   OriginalPaper Pages: 241 - 248

7. Importance of soil type on the release of nonexchangeable NH ₄ ⁺ and availability of fertilizer NH ₄ ⁺ and fertilizer NO ₃ ^-

   • HW Scherer
   • K Mengel

   OriginalPaper Pages: 249 - 258

8. Effects of sulfur-coated urea fertilizer regimes on production of processing tomatoes on a sandy loam

   • RN McArdle
   • CA McClurg

   Research note Pages: 259 - 262

9. Fertilizer nitrogen recovery and biological nitrogen fixation in fababean—sugar beet and spring wheat—fababean cropping sequences

   • F Zapata
   • O Van Cleemput

   OriginalPaper Pages: 263 - 268

10. Recovery of¹⁵N-labelled fertilizer by sugar beet—spring wheat and winter rye—sugar beet cropping sequences

    • F Zapata
    • O Van Cleemput

    Short communication Pages: 269 - 278

11. Relative effectiveness of iron pyrites and gypsum as sulfur fertilizer for different cultivars of mustard (Brassica juncea)

    • KN Tiwari
    • BS Dwivedi
    • AN Pathak

    Short communication Pages: 279 - 282

12. Ammonia volatilization losses from fertilizers applied to acid soil in the field

    • A Ellington

    OriginalPaper Pages: 283 - 296

13. Response of two okra (Abelmoschus esculentus L. Moench) varieties to fertilizers: Growth and nutrient concentration as influenced by nitrogen and phosphorus application

    • IS Majanbu
    • VB Ogunlela
    • MK Ahmed

    OriginalPaper Pages: 297 - 306

14. Effect of spatial distribution and soil volume fertilized on recovery of phosphorus fertilizer by wheat in a pot experiment

    • GA Barry
    • PW Moody
    • B Compton

    OriginalPaper Pages: 307 - 311

15. Fertilizer and liming value of lime-treated sewage sludge

    • IR Willett
    • P Jakobsen
    • KWJ Malafant

    OriginalPaper Pages: 313 - 328