Tea planting affects soil acidification and nitrogen and phosphorus distribution in soil

Tea planting affects soil acidification and nitrogen and phosphorus distribution in soil •The soil acidification and nutrient concentrations of tea gardens and forests were measured.•Severe soil acidification at a depth of 200cm was caused by tea cultivation.•A high risk of nitrogen and phosphorus leaching losses exists in tea gardens. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agriculture, Ecosystems & Environment Elsevier

Tea planting affects soil acidification and nitrogen and phosphorus distribution in soil

Tea planting affects soil acidification and nitrogen and phosphorus distribution in soil

Agriculture, Ecosystems and Environment 254 (2018) 20–25 Contents lists available at ScienceDirect Agriculture, Ecosystems and Environment journal homepage: www.elsevier.com/locate/agee Short communication Tea planting affects soil acidification and nitrogen and phosphorus distribution in soil Peng Yan, Chen Shen, Lichao Fan, Xin Li, Liping Zhang, Lan Zhang, Wenyan Han Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China ARTICLE I NFO ABSTRACT Keywords: Land use change from natural forest to agricultural land often affects the properties of soil, resulting in various Tea garden environmental problems. A field study was conducted to evaluate the effects of land use change from forest to tea Soil acidification cultivation on soil acidification as well as the nitrogen (N) and phosphorus (P) leaching risk. The soil acid- N and P leaching risk ification and nutrient concentrations in soil at a depth of 0–200 cm in two tea gardens with differing stand ages (10 and 100 years old), and three different fertilizer input levels (low-input, medium-input, and high-input), and in the forests adjacent to these tea gardens were measured at the Tea Research Institute of the Chinese Academy of Agricultural Sciences. Tea cultivation caused soil acidification throughout the 0–200 cm soil profile, and the − + lowest soil pH was observed in the 20–40 or 40–60 cm soil depth. Both nitrate (NO ) and ammonia (NH ) 3 4 concentrations increased as the tea stand age and fertilizer input levels increased at the 0–90 cm soil depth. − + Compared to the forests, significantly higher concentrations of NO and NH were observed in the 90–200 cm 3 4 soil of the tea gardens, suggestive of a high risk of N leaching loss in the tea gardens. Longer tea cultivation times and higher input levels also increased the concentration of soil...
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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0167-8809
D.O.I.
10.1016/j.agee.2017.11.015
Publisher site
See Article on Publisher Site

Abstract

•The soil acidification and nutrient concentrations of tea gardens and forests were measured.•Severe soil acidification at a depth of 200cm was caused by tea cultivation.•A high risk of nitrogen and phosphorus leaching losses exists in tea gardens.

Journal

Agriculture, Ecosystems & EnvironmentElsevier

Published: Feb 15, 2018

References

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