北方农业学报 ›› 2017, Vol. 45 ›› Issue (5): 28-28.
段海燕[1];段玉[2];张君[2];侯建伟[2];胡冰[3];林团荣[3]
DUAN Haiyan1,DUAN Yu2,ZHANG Jun2,HOU Jianwei2,HU Bing3,LIN Tuanrong3 (1.Hohhot City Saihan District Bureau of Agriculture & Animal Husbandry,Hohhot 010020, China; 2.Institute of Resources Environment and Detection Technology, Inner Mongolia Academy of Agriculture & Animal Husbandry Sciences, Hohhot 010030, China; 3.Wulanchabu Academy of Agriculture & Animal Husbandry Sciences,Jining 012000, China)
摘要: 采用田间试验和实验室分析方法研究了滴灌马铃薯施用尿素硝酸铵溶液(UAN)的施肥肥效,研究结果表明,马铃薯施用氮磷钾肥均有显著的增产效果,施用氮、磷、钾肥分别增产23.5%、18.3%和14.8%。马铃薯施用氮、磷、钾肥的农学效率分别为23.0,34.9,23.5 kg/kg。施用氮、磷、钾肥均显著提高马铃薯的单薯重和商品薯率。滴灌马铃薯施用氮、磷、钾肥的肥料利用率分别为46.0%、15.9%和53.7%。马铃薯施用氮肥块茎的淀粉含量均有所降低,平均降低1.04个百分点。施用尿素硝酸铵溶液和施用尿素处理马铃薯的淀粉含量没有差异。
中图分类号: