摘要
通过田间试验研究不同氮肥种类对三七产量、硝酸盐含量及品质的影响。结果表明,不同氮肥种类对三七的产量有显著影响,各处理均显著高于对照,其增产顺序为酰氨态氮肥>硝态氮肥>氨态氮肥>硝态氮、氨态氮复合肥。同时,施肥引起重金属元素和硝酸盐在三七体内的积累,从而对三七药材的品质有一定影响。
An experiment was carried out on field to investigate the effects of various nitrogenous fertihzers on the yield, the con- tents of the nitrate and the quality of Panax notoginseng, The results indicated that various nitrogen fertilizers had a notable effects on the yield of Sanqi, the yield of different treatments were higher than the contrast, the orders were： NH - nitrogenous fertilizer 〉 nitrate - nitrogenous fertilizer 〉 ammonia - nitrogenous fertilizer 〉 nitrate- ammonia compound fertilizers. All together, fertilizatious could increase the heavy metal content and the nitrate in Sanqi so as to have a part negative effect on the qualities.
出处
《中国土壤与肥料》
CAS
CSCD
北大核心
2008年第4期22-25,共4页
Soil and Fertilizer Sciences in China
基金
云南省创新人才培养项目资助(编号:2003py-01)
关键词
三七
产量
重金属含量
硝酸盐含量
Panax notoginseng
yield
the heavy mental content
the nitrate content
