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The soil was analyzed using a modified Hedley sequential extraction procedure and an acid phosphatase assay. The addition of larch litter and N increased the acid phosphatase activity and decreased the labile P (H2O-P+NaHCO3-P) concentration. Compared with addition of larch litter only, addition of both inputs decreased the proportion of inorganic P (Pi) and increased that of organic P (Po) in the NaOH fraction, bound to aluminum and iron oxides. The results of nutrient (carbon, N, or P) addition indicated that acid phosphatase was synthesized to acquire P. This study suggests that, in this forest soil, P in the H2O-P+NaHCO3-P and in the NaOH-Pi fractions was available for soil microorganisms to decompose leaf litter and that increase in microbial activity eventually translated in an increase in the proportion of Po found in the NaOH fraction in this forest soil.", "subitem_description_type": "Abstract"}]}, "item_6_description_30": {"attribute_name": "資源タイプ（コンテンツの種類）", "attribute_value_mlt": [{"subitem_description": "Article", "subitem_description_type": "Other"}]}, "item_6_description_5": {"attribute_name": "引用", "attribute_value_mlt": [{"subitem_description": "CHEMICAL SPECIATION AND BIOAVAILABILITY. 30(1):9-13 (2018)", "subitem_description_type": "Other"}]}, "item_6_link_3": {"attribute_name": "信州大学研究者総覧へのリンク", "attribute_value_mlt": [{"subitem_link_text": "Kunito, Takashi", "subitem_link_url": "http://soar-rd.shinshu-u.ac.jp/profile/ja.gUSCHhDF.html"}]}, "item_6_link_67": {"attribute_name": "WoS", "attribute_value_mlt": [{"subitem_link_text": "Web of Science", "subitem_link_url": "http://gateway.isiknowledge.com/gateway/Gateway.cgi?\u0026GWVersion=2\u0026SrcAuth=ShinshuUniv\u0026SrcApp=ShinshuUniv\u0026DestLinkType=FullRecord\u0026DestApp=WOS\u0026KeyUT=000423815700001"}]}, "item_6_publisher_4": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "TAYLOR \u0026 FRANCIS LTD"}]}, "item_6_relation_48": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_name": [{"subitem_relation_name_text": "10.1080/09542299.2018.1433555"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://doi.org/10.1080/09542299.2018.1433555", "subitem_relation_type_select": "DOI"}}]}, "item_6_rights_62": {"attribute_name": "権利", "attribute_value_mlt": [{"subitem_rights": "© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor \u0026 Francis Group. / This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited."}]}, "item_6_select_64": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_6_source_id_35": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0954-2299", "subitem_source_identifier_type": "ISSN"}]}, "item_6_source_id_39": {"attribute_name": "NII ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0954-2299", "subitem_source_identifier_type": "ISSN"}]}, "item_6_source_id_40": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AA1185644X", "subitem_source_identifier_type": "NCID"}]}, "item_6_text_69": {"attribute_name": "wosonly authkey", "attribute_value_mlt": [{"subitem_text_value": "INORGANIC PHOSPHORUS; TRANSFORMATIONS; MICROORGANISMS; AVAILABILITY; FERTILIZER; INDONESIA"}]}, "item_6_text_70": {"attribute_name": "wosonly keywords", "attribute_value_mlt": [{"subitem_text_value": "Phosphorus; acid phosphatase; nitrogen; forest soil; larch leaf litter"}]}, "item_6_textarea_68": {"attribute_name": "wosonly abstract", "attribute_value_mlt": [{"subitem_textarea_value": "The effects of adding larch (Larix kaempferi) leaf litter and nitrogen (N) on microbial activity and phosphorus (P) fractions in forest soil were examined in a short-term (28-d) laboratory incubation study. The soil was analyzed using a modified Hedley sequential extraction procedure and an acid phosphatase assay. The addition of larch litter and N increased the acid phosphatase activity and decreased the labile P (H2O-P+NaHCO3-P) concentration. Compared with addition of larch litter only, addition of both inputs decreased the proportion of inorganic P (Pi) and increased that of organic P (Po) in the NaOH fraction, bound to aluminum and iron oxides. The results of nutrient (carbon, N, or P) addition indicated that acid phosphatase was synthesized to acquire P. 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Published by Informa UK Limited, trading as Taylor \u0026 Francis Group. / This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.", "licensetype": "license_note", "mimetype": "application/pdf", "size": 1100000.0, "url": {"label": "09542299.2018.1433555.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/19806/files/09542299.2018.1433555.pdf"}, "version_id": "2ecbe8d6-7ef5-42e2-9d69-a51c511d0e16"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "Phosphorus", "subitem_subject_scheme": "Other"}, {"subitem_subject": "acid phosphatase", "subitem_subject_scheme": "Other"}, {"subitem_subject": "nitrogen", "subitem_subject_scheme": "Other"}, {"subitem_subject": "forest soil", "subitem_subject_scheme": "Other"}, {"subitem_subject": "larch leaf litter", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Changes in phosphorus fractions caused by increased microbial activity in forest soil in a short-term incubation study", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Changes in phosphorus fractions caused by increased microbial activity in forest soil in a short-term incubation study", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1170"], "permalink_uri": "http://hdl.handle.net/10091/00020567", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2018-05-01"}, "publish_date": "2018-05-01", "publish_status": "0", "recid": "19806", "relation": {}, "relation_version_is_last": true, "title": ["Changes in phosphorus fractions caused by increased microbial activity in forest soil in a short-term incubation study"], "weko_shared_id": -1}