活性腐植酸复合肥对甘薯农艺性状、产量及品质的影响

Effects of Actived Humic Acid Compound Fertilizer on Agronomic Traits, Yield and Quality of Sweet Potato

以鲜食型甘薯品种郑薯20为材料,通过大田试验,研究活性腐植酸复合肥料在甘薯上的应用效果。结果表明,与施用等价值氮磷钾复合肥料相比,活性腐植酸复合肥料能促进甘薯生长发育,增加单株薯重,显著降低收获期甘薯T/R值,显著提高块根可溶性糖、可溶性蛋白含量,而且鲜薯增产显著,并提高了甘薯商品薯率和氮、磷、钾肥的农学利用率。

The application effect of active humic acid compound fertilizer on sweet potato was studied by field experiment with fresh sweet potato variety ’Zhengshu 20’. The results indicated that compared with the equivalent value inorganic compound fertilizer, the actived humic acid compound fertilizer could promote the growth and development of sweet potato, increase the weight per plant and significantly reduce T/R vaule, significantly improve the content of soluble sugar and soluble protein in tuber root, significantly increase the yield of fresh potato. It also could improve the commercial rate of sweet potato and the agronomic utilization efficiency of nitrogen, phosphate and potassium fertilizer.