【摘要】 目的探索提高盾叶薯蓣产量的科学施肥技术。方法各处理间施用的肥料种类和总数量相同,而不同时期的施肥量不相同,找出处理间的产量差异。结果每667m2一次性施用高浓度硫酸钾复合肥(N13P17K15≥45%)50.0kg,作促根肥或底肥的产量最高,其他处理次之,最差是不施肥的。结论以一次性施促根肥和底肥为好,既能大幅度提高经济产量,又能减少生产费用投入,该技术可推广使用。更多还原

【Abstract】 Objective To research how to improve output of Dioscorea zingiberendid by scientific application of fertilizer. Methods Comparison difference of the output for the varieties and quantitative of fertilizer and application amount among treatments.Results It was found that the output was the highest only one application amount of 50.0 kg high concentration potassium sulfate complex manure as promoting root growth or base fertilizer each 667 m2. Conclusion The proposed technique can be spread to improve the crop yield and reduce producing cost as well.更多还原