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漂白液在单胞藻饵料生产中应用及检测方法 被引量:1
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作者 高士香 杜文国 《河北渔业》 2001年第2期26-27,共2页
随着苗种生产的日益普及和推广,单细胞饵料的生产也越来越广泛,培养器皿和培养用水的消毒已成为单细胞饵料培养的关键.下面仅就漂白液在单细胞饵料生产中的应用及检测方法进行简单的分析.
关键词 单胞藻 产动物饵料 培养器皿 培养用水 消毒 漂白液 化学性质 检测方法
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Response of Lettuce to the Coupling Electrical Conductivity and Circulation Rate of the Nutrient Solution in Hydroponics 被引量:2
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作者 LIANG Hao QI Jing-Wei +2 位作者 JI Yan-Hai LIU Ming-Chi WU Zhan-Hui 《Journal of Life Sciences》 2017年第4期202-205,共4页
The coupling effect of nutrient solution EC (electrical conductivity) levels and CR (circulation rate) on the morphology and quality, in hydroponically grown lettuce was assessed. Lettuce was grown at 5 treatments... The coupling effect of nutrient solution EC (electrical conductivity) levels and CR (circulation rate) on the morphology and quality, in hydroponically grown lettuce was assessed. Lettuce was grown at 5 treatments fi'om High EC & Low CR to Low EC & High CR. The environmental parameters were controlled in a 20 m^2 plant factory during the hydroponic cultivation with the following values: irradiated by blue and red light-emitting diode lighting with PPFD (photosynthetic photon flux density) value of 150 mol·m^-2·s^-1 for 16 hours per day; Temperature was maintained at 22.0 ℃ during the photoperiod and 16.0 ℃ in dark cycle. The results demonstrate that growing lettuce can be adopted using nutrient solution with lower EC levels and higher CR. The results also indicate that the effect of bi-directional coupled EC and CR resulted in expansion of root length but reducing the root biomass. Nitrate content was significantly reduced. 展开更多
关键词 LED lighting LETTUCE HYDROPONICS flow rate of nutrient solution nutrition supply.
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