Industrial wood ash as a soil amendment for crop production

摘要: Wood ash-produced as a by-product of energy generation by wood-products industries-has potential for use liming and nutrient source crop production. We conducted greenhouse field studies to evaluate the effects landspreading industrial wood ash on yield elemental composition forage crops soil levels. Greenhouse evaluated rates up equivalent 40 tons/acre (90 Mg ha -1 ) using alfalfa (Medicago sativa L.) barley (Hordeum vulgare) indicator crops. A limed fertilized control (dosages based tests) was included comparison. In trials, applied at 20 (45 two locations in Price County, WI. Biomass yields generally increased with application decreased applications exceeding this level. Wood-ash usually produced greater than those obtained treatment. No undesirable elements accumulated tissue tons/acre. These results suggest that land is an environmentally safe alternative landfilling may replace conventonal fertilizer Application : tests evaluating fertilizer.