Scientific Journals

Schellenberg DL, AD Bratsch and Z Shen. (2009) Large Single-head Broccoli Yield as Affected by Plant Density, Nitrogen, and Cultivar in a Plasticulture System . HortTechnology 19:792-795. (LINK)

Schellenberg DL, RD Morse and GE Welbaum. (2009) Organic Broccoli Production on Transition Soils:  Comparing Cover Crops, Tillage and Sidedress N. Renewable Agriculture and Food Systems 24:85-91. (LINK)

Conferences

Schellenberg DL, RD Morse and GE Welbaum. (2007) Nitrogen Management in Organic Transition. ASA-CSSA-SSSA Annual Meeting. New Orleans, LA. (LINK)