M. E. Cerrato

Correlations between Soil Nitrate Concentrations in Late Spring and Corn Yields in Iowa

A. Blackmer, A. M. Blackmer, D. Pottker, 1989 .

Comparison of Models for Describing; Corn Yield Response to Nitrogen Fertilizer

A. Blackmer, A. M. Blackmer, M. Cerrato, 1990 .