1. Nitrogen fertilization of wheat under limited water supplies

   • SS Prihar
   • PR Gajri
   • VK Arora

   OriginalPaper Pages: 1 - 8

2. Potassium nitrution and nitrogen fixation by nodulated legumes

   • Sami Abdel-Wahab

   OriginalPaper Pages: 9 - 20

3. Fertilizing programs

   • JD Colwell

   OriginalPaper Pages: 21 - 38

4. Fertilizing programs

   • JD Colwell

   OriginalPaper Pages: 39 - 47

5. Comparison of several nitrogen fertilisers applied in surface irrigation systems. II. Nitrogen transformations

   • WA Muirhead
   • FM Melhuish
   • ML Higgins

   OriginalPaper Pages: 49 - 65

6. The agronomic value of products resulting from the partial acidulation of North Carolina phosphate rock with phosphoric acid

   • RC Stephen

   OriginalPaper Pages: 67 - 73

7. Partially acidulated phosphate rocks-reactions with water

   • G McSweeney
   • AG Charleston

   OriginalPaper Pages: 75 - 83

8. Comparing the effectiveness of fertilizers

   • NJ Barrow

   OriginalPaper Pages: 85 - 90

9. Studies on the potassium requirements of different crops

   • KN Tiwari
   • Vandana Nigam
   • AN Pathak

   OriginalPaper Pages: 91 - 96