Published November 15, 2017 | Version v1

Synthetic nitrogen fertilizers alter the soil chemistry, production and quality of tea. A meta-analysis

  • 1. Xinyang Normal University
  • 2. Institute of Botany, Chinese Academy of Sciences
  • 3. Henan University

Description

This file is supplementary material for the literature which was titled with "Synthetic nitrogen fertilizers alter the soil chemistry, production and quality of tea. A meta-analysis". The details including: Table S1 Database structure: numbers of publication and observation of each variable; Table S2 Detail information of the database for this meta-analysis;  Table S3 Between-group heterogeneity (Qb) and probability (P value) of soil and tea variables with different experimental factors; Figure S1 Dependences of soil pH responses to soil initial pH (a) and N fertilizer addition levels (b); and Figure S2 Dependences of responses of free amino acids (a) and PP: AA ratio (b) to synthetic N addition levels. 

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