Effect of Vermicompost on Soil Organic Carbon Oxidation Stability and Carbon Pool Management Index in Cherry Plantation
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    Abstract:

    [Objective] To explore the effect of vermicompost on soil organic carbon oxidation stability and carbon pool management index in cherry plantation(Cerasus pseudocerasus), in order to provide scientific basis for improving soil quality management and the increase of agriculture carbon emission reduction potential. [Methods] A field experiment was conducted to determine the five treatments, CK(neither urea nor vermicompost was applied), N100(100% of nitrogen was provided by urea), M10N90(10% and 90% of nitrogen was provided by vermicompost and urea, respectively), M30N70(30% and 70% of nitrogen was provided by vermicompost and urea, respectively), and M50N50(50% and 50% of nitrogen was provided by vermicompost and urea, respectively) on soil organic carbon(SOC), microbial biomass carbon(MBC), readily oxidizable carbon(ROC) contents, organic carbon oxidation stability, as well as carbon pool management index(CPMI) of Cerasus pseudocerasus. [Results] The SOC contents under M30N70 and M50N50 treatments increased by 12.07% and 18.75% in comparison with the N100 treatment, respectively. The MBC and ROC contents and CPMI achieved the highest value in M30N70 treatment and had significant differences with other treatments, showing 51.34%, 15.16% and 6.47% increases in ROC content and 73.07, 30.06 and 20.71 increases in CPMI, respectively, compared to the treatments of N100, M10N90 and M50N50. However, the oxidation stability index of organic carbon in M30N70 treatment was obviously lower than other treatments, which decreased by 36.22% compared with N100 treatment. [Conclusion] In the cherry cultivation, application of vermicompost co-applied with inorganic fertilizer, especially the M30N70 treatment, was beneficial on soil quality amelioration and soil fertility improvement.

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井大炜,王明友,张红,郑芳,李士平.樱桃栽培中施用蚯蚓粪对土壤有机碳氧化稳定性及碳库管理指数的影响[J].水土保持通报英文版,2015,35(3):73-77

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History
  • Received:April 20,2014
  • Revised:May 07,2014
  • Adopted:
  • Online: April 05,2016
  • Published: