甘肃农业科技Issue(11)：9-13,14,6.DOI:10.3969/j.issn.1001-1463.2016.11.003
氮钾耦合对黄芪种子产量和质量的影响
Effects of Nitrogen and Potassium Coupling on Seed Yield and Quality of Astragalus membranaceus
摘要
Abstract
With triennial Astragalus membranaceus var. mongholicus as materials, the effects of nitrogen and potassium coupling on seed yield and quality of Astragalus membranaceus is studied. The result indicates that nitrogen fertilizer could increase the seed yield and protein content of Astragalus membranaceus, potassium fertilizer could increase the seed starch content of Astragalus membranaceus. When topdressing 120 kg/hm2 CH4N2O and spraying 3 g/kg KH2PO4 for 2 times at squaring stage and full-bloom stage, the seed yield attained to the highest value of 136.65 kg/hm2 and increased 15.4%compared with control, the maturing rate is 54.20% and increased 7.6 percent point compared with control, the thousand kernel weight is 8.04 g and increased 0.32 g compared with control.关键词
黄芪/氮钾耦合/产量/质量Key words
Astragalus membranaceus/Coupling effect/Yield/Quality分类
农业科技引用本文复制引用
王国祥,武伟国,蔡子平,米永伟,王宏霞..氮钾耦合对黄芪种子产量和质量的影响[J].甘肃农业科技,2016,(11):9-13,14,6.基金项目
甘肃省农业科学院中药材重大科技创新专项（2013GAAS03-02）；国家基本药物所需中药材种子种苗繁育基地建设（国中医药办规财发［2013］41）；甘肃省道地中药材产业科技攻关项目（GYC14-01）。 （）
