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1试验目的根据农业部“测土配方施肥项目技术规范”和“灵璧县2012~2013年测土配方施肥小麦‘3414’试验方案”的要求,通过田间试验,进一步探索在灵璧县中等肥力砂姜黑土上种植小麦最佳氮、磷、钾施肥配比,肥料用量,基肥、追肥比例,施肥时间和方法以及提高肥料利用率,摸清土壤养分校正系数等基本参数,为指导广大农户科学配肥和施肥提供依据。2材料与方法2.1试验时间和地点2012年10月至2013年6月,试验安排在灵城镇罗田
1 Test Purposes According to the requirements of the Ministry of Agriculture, “Soil Testing and Fertilization Project Technical Specifications” and “Lingbi County Soil Testing and Formula Fertilizing ’3414’ Experimental Scheme”, through field trials, The basic parameters such as the best nitrogen, phosphorus and potassium fertilizers, the amount of fertilizer, basal fertilizer, top dressing ratio, fertilization time and method, fertilizer application rate and soil nutrient correction coefficient were obtained for middle-fertile Shajiang black soil. Guide the majority of farmers to provide scientific basis for fertilizer and fertilization. 2 Materials and Methods 2.1 Test time and place From October 2012 to June 2013, the test was arranged in Ling Town Luotian