A. W. Schumann

The SASEX fertiliser advisory service: a review of 50 years of service to the South African sugar industry.

J. H. Meyer, R. A. Wood, D. J. Nixon, 2004 .

Progress with the implementation of a diode array near-infrared spectrometer for direct at-line analysis of sugarcane samples.

A. W. Schumann, J. H. Meyer, 2000 .

Delineating productivity zones in a citrus grove using citrus production, tree growth and temporally stable soil data

A. W. Schumann, T. A. Obreza, A. Schumann, 2011, Precision Agriculture.