Concepedia

P. J. Copeland

PJ

7

Publications

876

Citations

7

H-Index

1985

Active since

Affiliations

University of Minnesota(Current)

P. J. Copeland is an author at University of Minnesota specializing in agricultural economics, public health, and sustainable agriculture.

Top concepts

Public HealthAgricultural EconomicsSustainable AgricultureEngineeringCrop ProtectionBotanyMedicineCrop VarietiesFarming SystemsMicrobial Ecology

Publications per year

1985–1996

7

Publications

7

Mycorrhizae: Possible Explanation for Yield Decline with Continuous Corn and Soybean

Nancy Collins Johnson, P. J. Copeland, R. Kent Crookston et al. · Agronomy Journal · 1992 · 263 citations

Vam Fungal Species, Crop Production, Plant-soil Interaction +14

Rotational Cropping Sequence Affects Yield of Corn and Soybean

R. Kent Crookston, James E. Kurle, P. J. Copeland et al. · Agronomy Journal · 1991 · 245 citations

Crop Production, Engineering, Botany +12

Vesicular–arbuscular mycorrhizas respond to corn and soybean cropping history

Nancy Collins Johnson, F. L. Pfleger, R. Kent Crookston et al. · New Phytologist · 1991 · 151 citations

Fungal Diversity, Mycelial Interaction, Summary Communities +13

Corn–Soybean Rotation Effects on Soil Water Depletion

P. J. Copeland, R. R. Allmaras, R. Kent Crookston et al. · Agronomy Journal · 1993 · 83 citations

Corn–soybean Rotation Effects, Crop Production, Continuous Soybean +12

Crop Sequence Affects Nutrient Composition of Corn and Soybean Grown under High Fertility

P. J. Copeland, R. Kent Crookston · Agronomy Journal · 1992 · 71 citations

Biogeochemistry, Rotation Effect, Engineering +15

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