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Chinese Journal of Applied Ecology ›› 2016, Vol. 27 ›› Issue (3): 873-882.doi: 10.13287/j.1001-9332.201603.015

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Effects of different fertilization patterns on soil enzyme activities in greenhouse vegetable field

WANG Wen-feng1, LI Chun-hua1, HUANG Shao-wen1*, GAO Wei2, TANG Ji-wei1   

  1. 1Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/Key Laboratory of Plant Nutrition and Fertilizer, Ministry of Agriculture, Beijing 100081, China;
    2Tianjin Institute of Agricultural Resources and Environment, Tianjin 300192, China
  • Received:2015-09-08 Online:2016-03-18 Published:2016-03-18
  • Contact: * E-mail: huangshaowen@caas.cn
  • Supported by:
    This work was supported by the China Agriculture Research System (CARS-25-C-11) and the Special Fund for Agro-Scientific Research in the Public Interest, China (201203095).

Abstract: A fixed-site greenhouse vegetable fertilization experiment was carried out to study effects of 6 fertilization patterns on soil enzyme activities in Tianjin City, Northern China. The results showed that during the growing stages of tomato, activities of soil α-glucosidase, β-xylosidase, β-glucosidase, β-cellobiosidase, chitinase and phosphatase in different treatments all increased first and then decreased, while soil urease activities increased first and then became flat. Compared with the chemical nitrogen fertilizer treatment, soil enzyme activities were much higher in treatments of combined application of organic materials with chemical fertilizers, and rose with the increasing input of pig manure and especially the application of straw. A significant positive correlation was found between soil enzyme activities, microbial biomass carbon (MBC), microbial biomass nitrogen (MBN), and dissolved organic carbon (DOC) and dissolved organic nitrogen (DON) contents at different growing stages of tomato. Under the condition of same nutrient input, the combined application of inorganic fertilizers with organic materials, especially a certain amount of corn straw, was capable of increasing soil enzyme activities and keeping soil fertility and sustainability in greenhouse vegetable production.