Naoaki Fujita

Profile Information

Affiliation: Senior Researcher, Hokkaido Agricultural Research Center, National Agriculture and Food Research Organization

J-GLOBAL ID: 200901065940013901
researchmap Member ID: 6000020017

投資と労働の視点より、畑作における技術の経営的評価、および作業受委託組織の設立や円滑な運営に必要な条件の解明に取り組んでいる。

Research Interests

Research Areas

Research History

Apr, 2021 - Present

Senior researcher, Hokkaido Agricultural Research Center, NARO, National Agriculture and Food Research Organization
Apr, 2016 - Mar, 2021

Hokkaido Agricultural Research Center, NARO, National Agriculture and Food Research Organization
Apr, 2011 - Mar, 2016

HOKKAIDO AGRICULTURAL RESEARCH CENTER
Apr, 2006 - Mar, 2011

HOKKAIDO AGRICULTURAL RESEARCH CENTER
Apr, 2003 - Mar, 2006

農林水産技官（主任研究員）, 総合研究部動向解析研究室, 独立行政法人農業技術研究機構北海道農業研究センター
Apr, 2001 - Mar, 2003

農林水産技官（研究員）, 総合研究部動向解析研究室, 独立行政法人農業技術研究機構北海道農業研究センター

Education

Apr, 1991 - Mar, 1993

Department of Agricultural Economics (master course), Faculty of Agriculture, Hokkaido University
Oct, 1988 - Mar, 1991

Department of Agricultural Economics, Faculty of Agriculture, Hokkaido University
Apr, 1987 - Sep, 1988

Hokkaido University

Awards

Mar, 2011

北海道農業経済学会賞（学術賞）, 酪農経営の環境対策における投資限界と外部委託, 北海道農業経済学会

藤田直聡

Papers

The Analysis of Condition to introduce Licorice Root Harvester by the Viewpoint of Investment and Labor

Naoaki Fujita, Yukinori Shibuya, Noriyuki Murakami

National Agricultural Food Research Organization Hokkaido Agricultural Research Center FARM MANAGEMENT RESEARCH, (118) 83-92, Feb 25, 2022 Lead authorCorresponding author
The Efficiency of Operation and Economy about Transportation of Sugar Beet by Utilization of Beet Loaders with Tractor

Naoaki Fujita, Toshiya Arioka, Ken Sawada, Kuniki Kiyama, Kuniki Imamura, Makoto Matsuda, Shusei Yamamoto, Kazumi Kaneichi, Tomohiro Tani, Kan Higashiyama

National Agricultural Food Research Organization Hokkaido Agricultural Research Center FARM MANAGEMENT RESEARCH, (118) 50-82, Feb 25, 2022 Lead authorCorresponding author
The Advanced Case about Utilization of Large Scale Agricultural Machinery, Management of Sugar Manufacture and Transportation Company in Foreign Country

Naoaki Fujita

National Agricultural Food Research Organization Hokkaido Agricultural Research Center FARM MANAGEMENT RESEARCH, (118) 34-49, Feb 25, 2022
The Advanced Case about Agricultural Work Support Organization of Upland Farm in Foreign Country

Naoaki Fujita

National Agricultural Food Research Organization Hokkaido Agricultural Research Center FARM MANAGEMENT RESEARCH, (118) 23-33, Feb 25, 2022
短紙筒狭畦移植機と自走式多畦収穫機を用いたてんさいの狭畦栽培の経営効果

藤田直聡

都市と農村を結ぶ2022年1月号, 72-77, Jan, 2022 Lead author
移動式除土積込機によるてん菜輸送の作業効率と経済性の算定

藤田直聡

砂糖類・でん粉情報2021年8月号, 107 46-56, Aug 11, 2021
短紙筒狭畦移植機と自走式多畦収穫機を用いたてん菜の狭畦栽培

藤田直聡

北農研ニュース2021年7月号, (69) 3-3, Jul, 2021 Lead author
Crop Area and Income Variation between New and Existing Technologies for Sugar Beet at Large-scale Upland Farms: Effect of Decreasing Labor and Increasing Farm Area

Naoaki Fujita, Hiroyuki Tsuji, Toshiya Arioka

Journal of the NARO Research and Development, (6) 53-65, Mar, 2021 Peer-reviewedLead author
Cultivate Area Required to Use New Technology about Sugar Beet from the Viewpoint of Operating Costs

Naoaki Fujita, Hiroyuki Tsuji, Toshiya Arioka

Journal of the NARO Research and Development, (3) 9-17, Mar, 2020 Peer-reviewedLead author
The Upper Limit of Cost for Entrusting External contractor with cultivation and ensiling at a TMR Center

Naoaki Fujita, Tetsufumi Kubota, Katsufumi Wakabayashi

Japanese Journal of Farm Management, 54(3) 1-14, Oct, 2016 Peer-reviewed
The Study about Reduction of TMR Price by Viewpoint of Cost and Composition of Feed at TMR Center

FUJITA Naoaki, KUBOTA Tetsufumi, WAKABAYASHI Katsufumi

Japanese Journal of Farm Management, 52(4) 49-54, 2015
A Study about Improvement of Business Conditions at Farm Contractor and Possibly to Entrust Works to Farm Contractor at TMR Center

KUBOTA Tetsufumi, FUJITA Naoaki, WAKABAYASHI Katsufumi

Japanese Journal of Farm Management, 52(3) 101-106, 2014
Field Arrangement Model of Feed Crops for Consignment Operation Cost Reduction on TMR-Center

KUBOTA Tetsufumi, FUJITA Naoaki

Japanese Journal of Farm Management, 49(3) 43-48, Dec 25, 2011
The Limit of Investment and Outsourcing for Environment Protection by Dairy Farm

Naoaki Fujita

北海道大学, 1-154, Dec, 2005 Peer-reviewed
Utilization of Composting Facilities by Dairy Farms

Naoaki Fujita

Journal of Policy Studies, 6(1) 1-14, Sep, 2004 Peer-reviewed
Change of agricultural structure and future trend prediction in the Hokkaido core paddy field zone : It is Aimed at Kamikawa Area and Sorachi Area.

Research bulletin of the National Agricultural Research Center for Hokkaido Region, (181) 15-41, Jul, 2004
Trend forecasting for the number of Hokkaido dairy farming by farm scale class

Research bulletin of the National Agricultural Research Center for Hokkaido Region, (180) 45-161, Mar, 2004
An Analysis about The Relationship in Dairy Farming between Manure Processing Dufficulties and Contracting Manure Disposal

Naoaki Fujita

Japanese Journal of Farm Management, 41(3) 15-27, Dec, 2003 Peer-reviewed
Introduction Condition of Alfalfa in Dairy Farming at Upland Area

Research bulletin of the National Agricultural Research Center for Hokkaido Region, (174) 47-68, Feb, 2002
The Subject of Cropping System Under Increasing Vegitable Production in Tokachi District

Japanese Journal of Farm Management, 39(1) 127-132, Jun 25, 2001

Misc.

テンサイ新技術導入における最低限必要な作付面積の予測-6畦移植機および6畦収穫機に関する事前評価-

藤田直聡, 辻博之

農業普及研究, 23(1), 2018
The Comparison about Cost to require to cultivate and ensile between Composing farms labor and Entrusting External Contractor at a TMR Center

(116) 25-37, Mar, 2017
An Economic Effects of Lactation Persistency on Dairy Farms

54(4) 90-95, Jan, 2017
Relationship between Revenue and Parturition Interval of cow in Dairy Farm Management on members of TMR Center

(115) 1-11, Mar, 2016
An Inquiry into the Investment in order to introduce Ear-corn Ensilage at TMR Center

(115) 13-24, Mar, 2016
Business model for Daily farming to have high returns and spare time and lightening of labor by TMRcenter

(111) 39-55, Feb, 2014
The Effect of entrusting Ensilage Production to the Contractor upon Cost to product TMR at the TMR Center

(112) 35-42, Feb, 2014
Business Model on Dairy Farm as an Enterprise

(108) 1-13, Mar, 2013
Condition to spread Ear-corn Ensilage as Domestic Concentrated Feed to Dairy Farm

FUJITA Naoaki, YAMADA Hirofumi, OHSHITA Tomoko, KUBOTA Tetsufumi

17(2) 55-67, Dec 14, 2012
Economic ramification from dairy cattle fed with large amounts of corn silage

Farming mechanization, (3104) 30-33, Jan, 2010
The trend of dairy farm and technological development needs about forage crop production

National Agricultural Research Center for Hokkaido Region farm management research, (102) 19-40, Aug, 2009
The effect to feed many corn ensilage to cow in dairy farming

National Agricultural Research Center for Hokkaido Region farm management research, (100) 1-12, Mar, 2009
主要畑作地帯における畑作経営規模の動向予測 (畑作地域総合研究のフィージビリティスタディ)

天野哲郎, 藤田直聡

北海道農業研究センター農業経営研究, (88) 24-43, Mar, 2005
道央水田地帯における農業構造の変化と将来動向予測--上川支庁,空知支庁を対象として

細山隆夫, 鵜川洋樹, 藤田直聡

北海道農業研究センター農業経営研究, (84) 1-63, Sep, 2003
北海道地域の研究成果情報(平成14年度)から北海道中核水田地帯における農業構造の将来動向予測--上川支庁,空知支庁を対象として

細山隆夫, 鵜川洋樹, 藤田直聡

農業低温科学研究情報, 10(2) 27-30, Sep, 2003
畑作酪農地域における共同ふん尿処理施設の実態と利用状況 (酪農経営におけるふん尿処理技術の導入条件)

藤田直聡, 若林勝史

北海道農業研究センター農業経営研究, (83) 37-51, Sep, 2003
コントラクタ事業に適用可能なふん尿処理作業機

糸川信弘, 藤田直聡

畜産の研究, 55(1) 15-19, Jan, 2001

Books and Other Publications

酪農経営の環境対策における投資限界と外部委託

農林統計協会, 2009 (ISBN: 9784541036124)

Profile Information

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Research Areas

Research History

Education

Awards

Papers

Misc.

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