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P. J. Copeland

Observed names: P.J. Copeland, PHILIP J. COPELAND, Philip J. Copeland
Observed institution: University of Minnesota
OpenAlex ID: A5110150098
Mycorrhizae: Possible Explanation for Yield Decline with Continuous Corn and Soybean
1992 · Nancy Collins Johnson, Philip J. Copeland, et al. · Agronomy Journal · 266
Rotational Cropping Sequence Affects Yield of Corn and Soybean
1991 · R. K. Crookston, J. E. Kurle, et al. · Agronomy Journal · 253
Vesicular–arbuscular mycorrhizas respond to corn and soybean cropping history
1991 · NANCY COLLINS JOHNSON, F. L. PFLEGER, et al. · New Phytologist · 151
Corn–Soybean Rotation Effects on Soil Water Depletion
1993 · P. J. Copeland, R. R. Allmaras, et al. · Agronomy Journal · 84
Crop Sequence Affects Nutrient Composition of Corn and Soybean Grown under High Fertility
1992 · P. J. Copeland, R. K. Crookston · Agronomy Journal · 72
Spatial Relations between Oat Residue and Ceramic Spheres when Incorporated Sequentially by Tillage
1996 · R. R. Allmaras, S. M. Copeland, et al. · Soil Science Society of America Journal · 52
Spatial Variability of Profitability in Site‐Specific N Management
1996 · G. L. Malzer, P. J. Copeland, et al. · ASSA, CSSA and SSSA · 34
Using Yield Variability to Characterize Spatial Crop Response to Applied N
1996 · J.G. Davis, G.L. Malzer, et al. · ASSA, CSSA and SSSA · 21
Spatial Relationships of Soil Nitrogen with Corn Yield Response to Applied Nitrogen
1996 · T.W. Bruulsema, G.L. Malzer, et al. · ASSA, CSSA and SSSA · 16
Visible Indicators of Phsiological Maturity Barley1
1985 · Philip J. Copeland, R. Kent Crookston · Crop Science · 13
Using Harvest Index to Locate Environmental Stress
1996 · P.J. Copeland, G.L. Malzer, et al. · ASSA, CSSA and SSSA · 3
The effect of corn and soybean cropping sequence on soil moisture and plant nutrients.
1990 · P. J. Copeland · Dissertation Abstracts International, B
Works count: 12
Citation count: 965
H-index: 10
I10-index: 10
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