29 TABLE 11: Types of Production Systems Benefitting from the Research roci Efforts of the Farming Systems Research and RESEARCH FOCUS CROP MIXED LIVESTOCK Enterprise Records x x x Subsoiling x x New Forages, Grains x x x Winter Grains Time of Planting x x x Wheat Grazing x x Variety Trials x x z Fertilizer Wheat-N,K x x x Microelements x x x Doublecropping x x Perennial Peanut Establishment x x Winter Intercrop a x Summer Intercrop x x Weed Control x x Learning Curve x Nutrient Recycling x x Inf ormation x x x Cattle Management x x Market Alternatives x x