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2009—2012年在宁夏中部干旱带的盐池县青山乡进行了4年的秸秆粉碎覆盖还田的整体功能效应研究,结果表明,秸秆粉碎覆盖还田具有蓄水保墒、保持水土等覆盖效应和改善土壤结构、提高土壤有机质与矿物质营养水平、增强土壤生物活性等培肥效应;同时还具有节约生产成本、提高经济效益等作用。
The research on the overall functional effect of straw mulching and returning farmland for 4 years in Qingshan Township, Yanchi County, Ningxia Central Arid Zone from 2009 to 2012 showed that the straw mulching and returning to the field had the effects of water storage and soil conservation, soil and water conservation and improvement Soil structure, improve soil organic matter and mineral nutrition level, enhance soil bioactivity and other fertilizer effects; also has the effect of saving production costs and improving economic efficiency.