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当前位置: 首页 > 文章 > 地黄不同品种物质生产与养分吸收特性的研究 中国农学通报 2010,26 (18) 192-195
Position: Home > Articles > Characteristics of Dry Matter Production and N, P, K Absorption for DifferentRehmannia glutinosa Cultivars Chinese Agricultural Science Bulletin 2010,26 (18) 192-195

地黄不同品种物质生产与养分吸收特性的研究

作  者：
周丽莉;祁建军;孙鹏;牛世杰;李先恩
单  位：
中国医学科学院/中国协和医科大学药用植物研究所
关键词：
地黄;合理施肥;品种
摘  要：
以8个地黄品种(2个栽培种、3个变异种,3个野生种)为研究对象,通过分析不同生育阶段地黄干物质生产和养分吸收特征,以期为合理施肥,制定地黄高产优质栽培技术提供依据。结果表明:不同地黄品种物质生长和养分吸收表现出较大差异,集中表现在栽培种显著高于野生种。在人工栽培过程中,形成100kg地黄经济产量的氮磷钾养分需求量平均为2.10kg(1.60～2.50),0.48kg(0.29～0.60)和1.80kg(1.41～2.16)。氮钾肥吸收高峰期出现在中期,生育后期养分吸收增加较中期有所减少,而磷素吸收高峰则一直延续到收获。因此,栽培中必须降低地黄人工栽培过程中基施氮肥的比例,大量的氮肥应施在地黄快速生长期,适当的增加中后期磷钾施用将有助于增加地黄的生长,提高地黄经济产量。
译  名：
Characteristics of Dry Matter Production and N, P, K Absorption for DifferentRehmannia glutinosa Cultivars
作  者：
Zhou Lili, Qi Jianjun, Sun Peng, Niu Shijie, Li Xian’en (Chinese Academy of Medical Sciences/Peking Union Medical College, Institute of Medicinal Plant Development, Beijing, 100193)
关键词：
Rehmannia glutinosa ; optimal fertilization; cultivars
摘  要：
Characteristics of dry matter production and N, P, K absorption ofRehmannia glutinosa were studied to provide a properly fertilizer application for a better cultivar quality and yield. The great variation of dry matter production and N, P, K absorption was observed between cultivars. The rate of matter production and N, P, K absorption in the production of species was greater than these in wild species. Considering all production of species, average 2.10 kg N (1.6-2.50), 0.48 kg P (0.29-0.60) and 1.8 kg K (1.41-2.16) were needed to produce 100 kg economical yield. The absorption peak of N, K was middle growth period, and the absorption peak of P would last out to harvest from the middle growth period. We concluded that more N fertilizer should be applied in the rapid growth period, not before planting, and add P, K fertilizer in the growth period was good to increase growth and economical yield within the artificial cultivation ofRehmannia glutinosa.

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