Literature citation from Biological Agriculture and Horticulture, 1998.

The Real Dirt provides a vivid snapshot of organic and sustainable farming in the Northeast in the 1990s. Based on interviews with more than 60 farmers in eight states, the book summarizes practical methods for ecological soil, pest, disease, crop, greenhouse and livestock management. Information online: http://www.sare.org/publications/realdirt.htm

This web site includes organic budgets for selected field crops, vegetables, fruits, and livestock. An Interactive Smartform is also provided to enable growers to create their own custom crop budgets based on the calculation of costs and returns of production. From Rutgers Cooperative Extension. Note 12/04: "The crop budgets are being revised. Updated versions will be posted when available."

The focus of this research is springtooth harrow or rotary hoe use during preemergence to early postemergence crop stages for weed seedling management and control. From North Dakota State University Extension Service.

A state-by-state overview of weed management experiments and research programs in Australia. Paper presented at the 12th Australian Weeds Conference Papers and Proceedings, September 1999, Hobart, Tasmania.