Author：Jia-Ru Dai^1,*, Shiou-Ruei Lin², Jin-Chih Lin³, Chui-Feng Chiu⁴, and Hsien-Tsung Tsai⁵

Abstrct：

    In Taiwan, it is not requested to submit an experiment report of fertilizer effect whenever application for registration of microbial fertilizer. Furthermore, there is no regulation for the quantitative test of activity indicators. All of these factors could explain why both of effective and non-effective responses resulted from field trials. This contradictory response has made farmers lose their confidence to the microbial fertilizers. Therefore, in this study, (1) two commercial phosphorus-solubilizing bacteria fertilizer products were selected and used with chemical fertilizers, (2) one commercial phosphorus-solubilizing bacteria fertilizer product was selected and used with chemical and organic fertilizers to discuss its effect on tea production and quality to establish a field verification and evaluation model. Results showed that after using two commercial phosphate solubilizing bacteria fertilizers, population of phosphate solubilizing bacteria of rhizosphere soils were no significant difference among treatments. There were of no effect on the yields and nutrients content of tea with phosphate solubilizing fertilizers. For sensory evaluation, the treatment 4 was the best. In the application of chemical fertilizer and organic fertilizer, the effect of fertilizer type on tea quality is greater than the effect of applying phosphorus-solubilizing bacteria fertilizer.

Keywords: Tea, Phosphorus-solubilizing Bacteria Fertilizer, Sensory Evaluation

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* Corresponding author, e-mail: tres620@ttes.gov.tw
¹ Assistant Researcher, Tea Research and Extension Station, Taoyuan, Taiwan, ROC.
² Associate Researcher, Tea Research and Extension Station, Taoyuan, Taiwan, ROC.
³ Chief of Tea Extension Section, Tea Research and Extension Station, Taoyuan, Taiwan, ROC.
⁴ Researcher and Deputy Director, Tea Research and Extension Station, Taoyuan, Taiwan, ROC.
⁵ Chief of Tea Agronomy Section, Tea Research and Extension Station, Taoyuan, Taiwan, ROC.

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