{"_buckets": {"deposit": "f11c753b-3fcd-4f08-b7cb-4a56edbbc16b"}, "_deposit": {"id": "7044", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "7044"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00007044"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Seasonal Changes in Litterfall, Nutrients in Litterfall and Nutrient Use Efficiency in a Japanese Cedar (Cryptomeria japonica) Stand"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1996-12", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "30", "bibliographicPageStart": "23", "bibliographicVolumeNumber": "15", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u8fb2\u5b66\u90e8\u6f14\u7fd2\u6797\u5831\u544a"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Litterfall was collected at monthly intervals over a one-year period in a Japanese cedar (Cryptomeria japonica D. Don) stand in an experimental field on the Nagoya University Campus. The nutrient amount in the litterfall was analyzed. Total litterfall was 934g m^-2 per year. Leaves, branches, fruits and flowers contributed 80.35, 7.48, 4.38 and 7.79%, respectively, to the total litterfall. Litterfall, which was the highest in September, was attributed to the effect of a typhoon. The total amount of nutrients in the litterfall was 29.04 gm^-2 per year. The relative amount of the nutrients was in the order Ca\u003eN\u003eK\u003eP\u003eMg. Calcium, accounted for 60.50%, N 27.73%, K 10.74%, P2.38% and Mg 2.34% of the total. The nutrient amounts in the litterfall was significantly correlated with the litterfall mass. Nutrient concentrations of the litterfall showed seasonal variations. A high nutrient efficiently uses Mg which indicates that Mg is in a limited supply. 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