J. R. Frederick

Recompaction of a coastal loamy sand after deep tillage as a function of subsequent cumulative rainfall

W. J. Busscher, Philip J. Bauer, J. R. Frederick · Soil and Tillage Research · 2002 · 137 citations

Coastal Management, Earth Science, Engineering +10

Timing Effects of Deep Tillage on Penetration Resistance and Wheat and Soybean Yield

W. J. Busscher, J. R. Frederick, Philip J. Bauer · Soil Science Society of America Journal · 2000 · 96 citations

Penetration Resistance, Engineering, Land Use +14

Grain Yield and Yield Components of Soft Red Winter Wheat as Affected by Management Practices¹

J. R. Frederick, Harold G. Marshall · Agronomy Journal · 1985 · 76 citations

Grain Yield, Seeding Rate, Crop Production +15

Seed yield and agronomic traits of old and modern soybean cultivars under irrigation and soil water-deficit

J. R. Frederick, Joseph T. Woolley, J. D. Hesketh et al. · Field Crops Research · 1991 · 71 citations

Modern Soybean Cultivars, Agricultural Economics, Sustainable Agriculture +8

Investigation of the limitations to photosynthesis induced by leaf water deficit in field‐grown sunflower (<i>Helianthus annuus</i> L.)

Robert R. Wise, J. R. Frederick, David M. Alm et al. · Plant Cell & Environment · 1990 · 62 citations

Field‐grown Sunflower, Biogeochemistry, Net Photosynthesis +14