Vol. LXXVII (77), No. 2 Spring 1993

Vol. LXXVII (77), No. 2 Spring 1993
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Better Crops With Plant Food

A Publication of the International Plant Nutrition Institute (IPNI)

Vol. LXXVII (77), No. 2 Spring 1993

Our Cover: Soybeans planted in residue of the previous crop look healthy at this site near Redfield, South Dakota. Increasing importance of fertilizer management with reduced tillage is discussed in this issue. Photo by Dr. Larry S. Murphy.

Starter Fertilizer and High Residue A Profit-Building Combination
Paul E. Fixen

Research Notes: Yield Response o Canola to Nitrogen, Phosphorus, Precipitation and Temperature (Saskatchewan)

Research Notes: Ranges in Soi Phosphorus Critical Levels with Time (North Carolina)

Crop Residue Management Raises Soi Fertility Questions
Harold F. Reetz, Jr.

Soybeans Respond to Better Management Thinking
William K. Griffith

Research Notes: The Influence of Tillage and Cropping Intensity on Cereal Response to Nitrogen, Sulphur and Phosphorus (Oregon)

Nitrogen Loss from Corn Plants During Grain Fill (Nebraska)
Dennis Francis

Corn Yield Challenge Improves Efficiency and Profitability (Tennessee)
Ron Akin

Soil Fertility Manual Slide Sets Available

The Law of the Maximum
Arthur Wallace

Journal of Production Agriculture

Phosphorus Nutrition in Idaho Potatoes (Idaho)
Terry A. Tindall, Dale T. Westermann and Jeffrey C. Stark

Phosphorus Reserves High in Coastal Plain Tobacco Soils (North Carolina)
M. Ray Tucker

Sulfur: The Missing Link for Warm Season Grasses
J.L Sanders, J.M. Phillips, J.E. Rechcigl and M.M. Eichhorn

Environotes from TVA
John E. Culp

J. Fielding Reed