Journal of the Japanese Society of Revegetation Technology
Online ISSN : 1884-3670
Print ISSN : 0916-7439
ISSN-L : 0916-7439
Original Articles
A study on the relationship between the control of Pleioblastus chino Makino and nitrogen dynamics
Mari HIROKITatsuaki KOBAYASHITerumasa TAKAHASHI
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2007 Volume 33 Issue 1 Pages 71-76

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Abstract

The changes of soil nitrogen properties, nitrogen-use properties and the biomass of Pleioblastus chino Makino were studied for 3 years under the treatment of underlayer-mowing and litter-removal. Aboveground biomass of P. chino was decreased by treatments. Belowground biomass of P. chino was not affected by mowing, but reduced by litter-removal. Total nitrogen content of topsoil was slightly decreased under the treatments in the half-shade site under Zelkova serrata. Soil mineral nitrogen content was decreased by mowing, and more decreased by litter-removal. Although the nitrate reductase activity (NRA) of plants were not different among treatments, it changed due to soil nitrate content and light condition. As NRA was increased in winter without canopy cover, autumn harvesting should be effective on the control of P. chino.

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© 2007 The Japanese Society of Revegetation Technology
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