Peter Spyke

Citrus Production Systems to Survive Greening: Horticultural Practices

Arnold W. Schumann, Fritz M. Roka, William S. Castle, 2009 .

The Citrus Grove of the Future and Its Implications for Huanglongbing Management

William S. Castle, Ed Stover, Peter Spyke, 2008 .

Citrus Production Systems to Survive Greening: Economic Thresholds

Arnold W. Schumann, Fritz M. Roka, William S. Castle, 2009 .