1. Now is that P for pigweed or P for production? Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Laws, Forrest (author) Format: Commentary Publication Date: 2006-11-16 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 169 Document Number: C28347 Journal Title: Southeast Farm Press Notes: Via online issue. 1 page., Author expresses confusion about the acronyms used in agriculture.