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2018 Fiscal Year Final Research Report

Construction of continuous environmental load reducing technology and its evaluation in the intensive agriculture at the inland of Western China

Research Project

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Project/Area Number 26257411
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Crop production science
Research InstitutionKyoto University

Principal Investigator

INAMURA Tatsuya  京都大学, 農学研究科, 教授 (00263129)

Co-Investigator(Kenkyū-buntansha) 田中 貴  岐阜大学, 応用生物科学部, 助教 (20805436)
縄田 栄治  京都大学, 農学研究科, 教授 (30144348)
井上 博茂  京都大学, 農学研究科, 講師 (40260616)
間藤 徹  京都大学, 農学研究科, 教授 (50157393)
廣岡 博之  京都大学, 農学研究科, 教授 (60192720)
Research Collaborator KUMAGAI Hajime  
OISHI Kazato  
SATO Takahiro  
ANZAI Hiroki  
IRBIS  
LI Kunzhi  
Wang Ying  
Wang Lin  
Wang Pengyun  
HAMA Yuki  
LI LI  
Project Period (FY) 2014-04-01 – 2019-03-31
Keywords土地利用 / 環境 / 化学肥料 / 耕畜連携
Outline of Final Research Achievements

This study was performed in the intensive agricultural region in the coastal area of southeast Lake Dianchi, Yunnan province, China. (1) Overuse of chemical fertilizer and/or manure in agriculture is a principal factor in water eutrophication. (2) Reducing chemical fertilizer input effectively decreased the soil nitrogen, phosphorus, and potassium in an intensive vegetable cropping system. (3) Reducing N input of chemical fertilizer did not decrease total N absorption or dry matter production in high level of soil nitrate. (4) Timing of harvest affects the subsequent canopy structure of Phragmites australis in constructed wetlands, and its nutritive value of roughage.

Free Research Field

栽培システム学

Academic Significance and Societal Importance of the Research Achievements

得られた研究成果(特に、減肥栽培)への注目度が高く、他省(内モンゴル)からの共同研究の申し入れがあった。また、本研究を契機として、中国側の研究協力機関(昆明理工大学)へ京都大学農学研究科の修士および博士後期課程の学生が留学し、農学研究科の2名の日本学生が博士号を取得すると共に、農学研究科博士後期課程へ昆明理工大学から留学した3名の学生が博士号を取得した。

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Published: 2020-03-30  

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