广东单丛茶区化肥减施增效技术模式研究

周波; 陈勤; 陈汉林; 唐颢; 黎健龙; 陈佳琳; 陈义勇; 刘嘉裕; 唐劲驰

doi:10.13305/j.cnki.jts.2020.05.005

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茶叶科学 ›› 2020, Vol. 40 ›› Issue (5) : 607-616. DOI: 10.13305/j.cnki.jts.2020.05.005

研究报告

广东单丛茶区化肥减施增效技术模式研究

周波¹, 陈勤², 陈汉林², 唐颢¹, 黎健龙¹, 陈佳琳², 陈义勇¹, 刘嘉裕¹, 唐劲驰^1,*

作者信息 +

Technical Approach of Saving and Improving Efficiency of Chemical Fertilizers in Dancong Tea Area of Guangdong

ZHOU Bo¹, CHEN Qin², CHEN Hanlin², TANG Hao¹, LI Jianlong¹, CHEN Jialin², CHEN Yiyong¹, LIU Jiayu¹, TANG Jinchi^1,*

Author information +

文章历史 +

摘要

通过田间试验,研究了控释肥、配方肥、有机替代和蚯蚓生物培肥4种化肥减施增效复合技术模式对广东单丛茶区茶园土壤肥力、茶叶产量和品质的影响,并比较了不同模式的肥料农学效率和综合经济效益。结果表明,4种技术模式可减少化肥养分投入量20%~30%（总养分投入量减少17%~0）,产量增加4.9%~12.3%,且品质均有不同程度提升,年经济效益每公顷增加1.51~3.26万元。其中,控释肥模式的肥料农学效率和综合经济效益最高,分别比习惯施肥增加58.0%和10.9%;有机替代模式品质提升最显著,氨基酸增加10.2%,可溶性糖增加9.6%,酚氨比下降13.4%。控释肥和有机替代两种化肥减施增效技术模式在广东单丛茶区具有较好的应用前景。

Abstract

The study of four technical modes of saving and improving efficiency of chemical fertilizers were carried out through field trials. Soil fertility, tea yield and quality were investigated. After that, the fertilizer agronomic efficiency and comprehensive economic benefits were compared and analyzed. The results show that, the four technical approaches could reduce chemical fertilizer input by 20%-30% (reduce total nutrient input by 17%-0) without reducing fresh tea leaves yield. Tea qualities were slightly improved and the annual economic benefits were increased by 15.1-32.6 thousand CNY. Among four technical modes, the controlled-release fertilizer model had the highest agronomic efficiency and comprehensive economic benefits, increasing by 58.0% and 10.9% respectively compared to the control. The organic substitution model had the most significant quality improvement, with an increase of 10.2% in amino acids, 9.6% in soluble sugars, and a decrease of 13.4% in phenol-ammonia ratio. In summary, the two technical approach models of controlled release fertilizer and organic substitution in this study had good adaptabilities in Dancong tea area of Guangdong, and could be promoted and applied.

导出引用

周波, 陈勤, 陈汉林, 唐颢, 黎健龙, 陈佳琳, 陈义勇, 刘嘉裕, 唐劲驰. 广东单丛茶区化肥减施增效技术模式研究[J]. 茶叶科学. 2020, 40(5): 607-616 https://doi.org/10.13305/j.cnki.jts.2020.05.005

ZHOU Bo, CHEN Qin, CHEN Hanlin, TANG Hao, LI Jianlong, CHEN Jialin, CHEN Yiyong, LIU Jiayu, TANG Jinchi. Technical Approach of Saving and Improving Efficiency of Chemical Fertilizers in Dancong Tea Area of Guangdong[J]. Journal of Tea Science. 2020, 40(5): 607-616 https://doi.org/10.13305/j.cnki.jts.2020.05.005

中图分类号： S571.1 S147.3

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