茶园土壤性状及茶树营养元素吸收、转运机制研究进展

doi:10.13305/j.cnki.jts.2015.02.002

Abstract

Abstract: The soil conditions of tea plantations as well as the management of water and fertilizers are requisites for tea plant growth and quality construction. This paper reviewed the research progresses in the recent five years on the topics of the dynamics of soil properties of tea gardens, the functions of nutrients associating with the metabolism of tea quality related components and the underneath molecular mechanisms, the management technologies of nutrition, heavy metals and rare earth elements in tea soils and their accumulation in plants. In addition to the works of the dynamics of organic matter in tea soil following the establishment of tea plantation, the contribution of carbon storage in tea ecosystems to the global C cycling has been highlighted. Molecular biological approaches are increasingly applied in the study of the community and evolvement of microbes in tea soils. Meanwhile advances in the evaluation of soil quality, the mechanism and ameliorative measures of soil acidification have been made. The recent progresses in the area of nutrition have greatly deepened our understandings of the functions of nutrients such as nitrogen, phosphorus and potassium on the metabolism of tea quality components. The characteristics of nutrient absorption were elucidated at molecular and physiological levels and putative genes of several nutrient transporters were cloned. Adoption of mechanical fertilization, fertigation and controlled releasing chemical fertilizers were recommended as measures of nutrient management to improve utilization efficiency while the environmental impacts of fertilization such as emission of greenhouse gases gained considerable focus. On the other hand, progresses were made in the field of safety of tea products as heavy metals in the soils of tea plantations and accumulation of these elements in the tea plants are concerned.

Key words: tea garden soil, physiological functions of nutrients, nutrition management, fertilization, molecular mechanism, heavy metal

CLC Number:

S571.1
S15

LIU Meiya, YI Xiaoyun, SHI Yuanzhi, MA Lifeng, RUAN Jianyun. Research Progress of Soil Properties in Tea Gardens and the Absorption and Translocation Mechanisms of Nutrients and Other Elements in Tea Plant[J]. Journal of Tea Science, 2015, 35(2): 110-120.

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Research Progress of Soil Properties in Tea Gardens and the Absorption and Translocation Mechanisms of Nutrients and Other Elements in Tea Plant

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