W.J. Doyle Elected Chairman, F.W. Corrigan Vice Chairman of PPI Board
| 3 |
Terry L. Roberts Named Senior Vice President as Mark D. Stauffer Retires from PPI/PPIC
| 4 |
Fertilization for Cotton-Sorghum Rotations vs. Continuous Cotton J.D. Booker, K.F. Bronson, W.J. Keeling, and C.L. Trostle | 5 |
Broadcast and Deep Band Placement of Phosphorus for Soybeans Managed with Ridge Tillage A.P. Mallarino and R. Borges | 8 |
Management of High Yielding Canola Culitvars S. Brandt, D. Ulrich, G. Lafond, R. Kutcher, S. Malhi, and A. Johnston | 12 |
Soil Fertility and Fertilizers. Seventh Edition of Book Now Available
| 14 |
Rice Potassium Nutrition Research Progress David Dunn and Gene Stevens | 15 |
Differences in Potassium Requirement and Response by Older and Modern Cotton Varieties J.J. Camberato and M.A. Jones | 18 |
Introducing: Be Your Own Cotton Doctor
| 21 |
What Is Sustainable Agriculture and How Do We Do It? Craig Kallsen | 22 |
Nutrient Exclusivity in Organic Farming. Does It Offer Advantages? H. Kirchmann and M.H. Ryan | 24 |
Soil Testing: A Proven Diagnostic Tool Sam Portch and Mark D. Stauffer | 28 |
Fertilizers to Sustain Production of 100 Million Metric Tons of Grain F.O. García, G. Oliverio, F. Segovia, and G. López | 33 |
New Leaf Color Chart for Effective Nitrogen Management in Rice C. Witt, J.M.C.A. Pasuquin, R. Mutters, and R.J. Bu | 36 |
POTASH & PHOSPHATE INSTITUTE: STILL GOING STRONG AT 70 B.C. Darst | 40 |