首页|不同有机营养液对烟苗生长发育及生理特性的影响

不同有机营养液对烟苗生长发育及生理特性的影响

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  • 国家科技期刊平台
  • NETL
  • NSTL
  • 万方数据
  • 维普
为了寻找来源广、取材方便的烤烟有机育苗营养液,采用双因素三水平的试验设计,研究了营养液N质量浓度分别为50、150、250 mg/L的育苗专用肥、沼液和鱼蛋白有机液肥对烟苗生长发育和生理特性的影响.结果表明,各肥源50 mg/L N处理的烟苗生长矮小,株高为3.99～11.34 cm,150mg/L N处理的烟苗长势最好,株高为16.95～17.61cm.沼液150 mg/L N处理烟苗地上部长势较好,株高为16.95 cm,接近常规育苗肥效果,根鲜、干质量分别为0.79、0.07 g/株,根系活力为307.36U/(g·h),高于常规育苗肥和鱼蛋白有机液肥处理；鱼蛋白有机液肥150 mg/L N处理烟苗株高为17.61 cm,但根系活力最弱,仅为163.70 U/(g· h),烟苗光合色素含量和净光合速率均低于沼液处理.综合分析,沼液150 mg/L N处理的烟苗生长最好,可考虑用于烟草有机育苗.
Effects of Different Organic Nutrient Solutions on Growing Development and Physiological Characteristics of Flue-cured Tobacco Seedlings
For organic tobacco production it is very important to find out an organic nutrient solution which confers a widely available and convenient source in floating-seedling system. To determine the effects of fertilizer and nitrogen concentrations on growing development of flue-cured tobacco seedlings,the experiment was designed with three fertilizers (conventional fertilizer,biogas slurry and fish protein hydro-organic fertilizer) and three N concentrations (50,150,250 mg/L). The result showed that the tobacco seedlings were small and short under the N concentration of 50 mg/L,about 3. 99 — 11. 34 cm in height. But when the N concentration increased to 150 mg/L, the tobacco seedlings grew well,with height of 16. 95—17. 61 cm. The biogas treatment (150 mg/L N) improved the development of tobacco seedlings,conferring an average height of 16. 95 cm. Their dry and fresh weights of one root were 0. 07 g and 0. 79 g,and the root activity was 307. 36 U/(g · h). Applied by fish protein hydro-organic fertilizer (150 mg/L N) the tobacco seedlings grew well, but the root activity decreased to the lowest,163. 70 U/(g · h). Interestingly, the photosynthetic pigments content and photosynthetic rate in the treatment of fish protein hydro-organic fertilizerwere lower than those under the biogas slurry treatment. Consequently, the growth and development of the seedlings under the biogas slurry treatment of 150 mg/L N was best,which could be used in the organic floating-seedling system.

organic tobaccoflue-cured tobacco seedlingsbiogas slurryfish protein hydro-organic fertilizergrowing developmentroot morphologyphotosynthetic characteristic

赵会纳、雷波、潘文杰、丁福章、陈懿

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贵州省烟草科学研究所,贵州贵阳550081

有机烟 烟苗 沼液 鱼蛋白有机液肥 生长发育 根系形态 光合特性

中国烟草总公司重点项目贵州省烟草公司(专卖局)项目

110200902072200901

2013

河南农业科学
河南省农业科学院

河南农业科学

CSTPCDCSCD北大核心
影响因子：0.787
ISSN：1004-3268
年,卷(期)：2013.42(1)
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