S. L. Oberle

Factors Influencing Corn Fertilizer N Requirements in the Northern U.S. Corn Belt

S. L. Oberle, D. R. Keeney · jpa · 1990 · 85 citations

Agriculture, Crop Sciences, Soil Sciences +17

Soil Type, Precipitation, and Fertilizer N Effects on Corn Yields

S. L. Oberle, D. R. Keeney · jpa · 1990 · 42 citations

Agriculture, Crop Sciences, Soil Sciences +17

A Case for Agricultural Systems Research

S. L. Oberle, D. R. Keeney · Journal of Environmental Quality · 1991 · 29 citations

Agriculture, Agricultural Education, Agricultural Policy +13

Farming Systems Options for U.S. Agriculture: An Agroecological Perspective

S. L. Oberle · jpa · 1994 · 17 citations

Agriculture, Agroecology, Sustainable Agriculture +12

Ammonia volatilization from nitrogen fertilizers surface-applied to corn (Zea mays) and grass pasture (Dactylis glomerata)

S. L. Oberle, Larry G. Bundy · Biology and Fertility of Soils · 1987 · 15 citations

Agriculture, Agronomy, Soil Sciences +17