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Effect of nitrogen supply on biomass accumulating and root respiration dynamic changing of Glycyrrhiza uralensis / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 1584-1588, 2014.
Artículo en Chino | WPRIM | ID: wpr-300225
ABSTRACT
This paper aimed to study the effect nitrogen supplying on biomass accumulation and root respiration dynamic change of Glycyrrhiza uralensis and reveal the metabolic pathway of root respiration impact the biomass accumulating of G. uralensis. Six groups of one-year-old G. uralensis were fertilized with total nutrition containing various nitrogen concentration (0, 0.5, 1, 2, 4, 8 mmol x L(-1)) every week. At the end of every month, from June to October, the volume respiration rate and biomass of different classes of root samples were determined, and the correlation between root respiration and biomass was analyzed. The results indicated a negative correlation between volume respiration rate and biomass, nitrogen supply significantly affected both root respiration and biomass of G. uralensis by reducing root respiration and increasing root biomass. Under 8 mmol x L(-1) nitrogen supplying, there existed the optimal inhibition of root respiration, which has increased biomass of G. uralensis.
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Consumo de Oxígeno / Farmacología / Estaciones del Año / Factores de Tiempo / Cinética / Raíces de Plantas / Biomasa / Glycyrrhiza uralensis / Relación Dosis-Respuesta a Droga / Metabolismo Idioma: Chino Revista: China Journal of Chinese Materia Medica Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Consumo de Oxígeno / Farmacología / Estaciones del Año / Factores de Tiempo / Cinética / Raíces de Plantas / Biomasa / Glycyrrhiza uralensis / Relación Dosis-Respuesta a Droga / Metabolismo Idioma: Chino Revista: China Journal of Chinese Materia Medica Año: 2014 Tipo del documento: Artículo