Research in Ohio: Fewer Pests, 90.000 dollar an Acre?

摘要

WOOSTER, Ohio - Carefully designed polyculture systems, grown on small farms or even in suburban yards, could self-limit pest problems and gross up to 90,000 dollar per acre, says Joe Kovach, head of Ohio State University's Integrated Pest Management(IPM) program. Together with Loren Harper and Rosa Raudales, both also of the program, Kovach has planned and planted four different polyculture systems, or "modular ecological designs," each combining the same wide mix of high-value fruits and vegetables, annuals and perennials, and tall and short crops, into 45-by-60-foot plots.