Effcets of different LED light qualities on growth characteristics of Myriophyllum verticillatum and purification efficiency of livestock and poultry farm wastewater

doi:10.14088/j.cnki.issn0439-8114.2020.08.010

Abstract

Abstract: In order to construct plant factory technology for Myriophyllum verticillatum L. treatment of livestock and poultry farm wastewater, the effects of different light quality on the growth characteristics of Myriophyllum verticillatum L. and purification capacity of livestock and poultry farm wastewater were investigated. The results showed that the biomass and purification efficiency were significantly higher under the treatment of red and blue light 3∶1 than that under the treatment of red and blue light 5∶1 and white light, with no significant difference with natural light （CK）. The content of chlorophyll a, chlorophyll b and total chlorophyll under the treatment of red and blue light 3∶1 and 5∶1 were not significant compared with CK, but significant compared with the treatment of white light. The treatment of red and blue light 3∶1 was similar to natural light in biomass, purification efficiency and photosynthetic pigment content, and it was suitable for the growth of Myriophyllum verticillatum L..

Key words: Myriophyllum verticillatum L., LED, light qualities, growth, purification efficiency

CLC Number:

X171.5

HU Qing-quan, SHA Qian, YANG Ren-can, CHANG Ya-jie, HAN Min, ZHAO Zhi-yong. Effcets of different LED light qualities on growth characteristics of Myriophyllum verticillatum and purification efficiency of livestock and poultry farm wastewater[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(8): 50-53.

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