Effects of different fertilizer application on the yield and quality of Houttuynia cordata Thunb.

doi:10.14088/j.cnki.issn0439-8114.2022.23.018

Abstract

Abstract: In order to optimize the scientific fertilization management of Houttuynia cordata Thunb. in Dangyang City, a study was carried out on the effects of different fertilizer combinations on the yield and quality by reducing the application amount of different nitrogen and phosphorus fertilizers and increasing the application of biological bacterial fertilizer without reducing the amount of potassium fertilizer. The results showed that when increasing the application of microbial fertilizer and reducing the amount of chemical fertilizer by 13.7%, the soluble protein of the underground stems of Houttuynia cordata Thunb. increased by 44.2%, and the vitamin C content increased by 33.6% compared with the conventional fertilization （CK）. The plant height and stem diameter in the growing period were not significantly affected, and the yield was 2.3% higher than that of the control. The growth indicators and yield of Houttuynia cordata Thunb. had a certain degree of reduction when only reducing the amount of chemical fertilizer application without increasing the application of microbial fertilizer. Therefore, without reducing potassium fertilizer, reducing the application of nitrogen and phosphorus fertilizer by 13.7% and increasing the application of microbial fertilizer was more suitable for the current fertilizer demand in the cultivation of Houttuynia cordata Thunb., which could promote the efficient and green cultivation of Houttuynia cordata Thunb. in Dangyang City.

Key words: Houttuynia cordata Thunb., fertilizer, yield, quality

CLC Number:

S158.3

ZHOU Jie, YI Li-mei, QI Chuan-dong, WU Jin-ping, WU Fang-hua, ZHOU Jia-wu, WEN Sheng-qiao, GUO Feng-ling. Effects of different fertilizer application on the yield and quality of Houttuynia cordata Thunb.[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(23): 97-100.

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