Clarification of nitrogen dynamics in paddy fields in Vietnam

越南稻田氮动态的澄清

基本信息

项目摘要

The nitrogen (N) losses from paddy field by ammonia volatilization were measured in 3 sites. The losses were 10.3kg ha^<-1> in average and equivalent to 11.4% of applied N fertilizer. Destinations of the applied N fertilizer were monitored at 2 sites in northern Vietnam. The gap between applied N fertilizer (94kg ha^<-1> in average) and sum of N recovered in rice plant and soil (0-25cm) and volatilized ammonia was 34.5kg ha^<-1>. It seemed that most of the gap was caused by N losses by denitrification and leaching.
在3个试验点测定了氨挥发对稻田氮素的损失。损失平均为10.3kg ha^<-1>,相当于施氮量的11.4%。在越南北部的两个地点监测了施用氮肥的目的地。施氮量(平均94kg ha^<-1>)与水稻植株和土壤(0-25cm)氮素恢复和氨挥发量之间的差距为34.5kg ha^<-1>。间隙大部分是由反硝化和淋溶造成的氮损失造成的。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
ベトナムの水田におけるアンモニア揮散の測定と水田の窒素収支
越南稻田氨挥发和氮平衡测量
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Takeshi Watanabe;Tran T Son;他5名;Takeshi Watanabe;渡辺武
  • 通讯作者:
    渡辺武
Measurement of ammonia volatilization from flooded paddy fields in Vietnam
  • DOI:
    10.1111/j.1747-0765.2009.00419.x
  • 发表时间:
    2009-12
  • 期刊:
  • 影响因子:
    2
  • 作者:
    Takeshi Watanabe;T. T. Son-T.;N. N. Hung-N.;Nguyen van Truong;T. Q. Giàu;K. Hayashi;O. Ito
  • 通讯作者:
    Takeshi Watanabe;T. T. Son-T.;N. N. Hung-N.;Nguyen van Truong;T. Q. Giàu;K. Hayashi;O. Ito
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WATANABE Takeshi其他文献

Development in fundamental physics of polymer gels
聚合物凝胶基础物理研究进展
  • DOI:
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    KAWAMOTO Teppei;AOKI Makoto;KIMURA Taro;CHINAPANG Pondchanok;MIZUSAWA Takako;YAMADA Norifumi L.;NEMOTO Fumiya;WATANABE Takeshi;TANIDA Hajime;MATSUMOTO Masashi;IMAI Hideto;MIYAKE Junpei;MIYATAKE Kenji;INUKAI Junji;○萱場裕貴・北條健太・小野健太・石崎学・金井塚勝彦・近藤慎一・栗原正人・三ツ石方也・松井淳;Takamasa Sakai
  • 通讯作者:
    Takamasa Sakai
CVD-Graphene-Based Optically Transparent Antennas
基于 CVD 石墨烯的光学透明天线

WATANABE Takeshi的其他文献

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{{ truncateString('WATANABE Takeshi', 18)}}的其他基金

火災時の現象を体験する実践的な居室を用いた煙体験訓練の改良
利用实用的客厅体验火灾现象,改善烟雾体验培训
  • 批准号:
    20H00872
  • 财政年份:
    2020
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Encouragement of Scientists
Evaluation of Rebar Corrosion from Dormant Stage to Acceleration Stage by Ultrasonic Method
超声波法评价钢筋从休眠期到加速期的腐蚀
  • 批准号:
    15K06166
  • 财政年份:
    2015
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Research to develop clinical education based on the relation between oral health and general health for professionalism promotion in dental school
研究基于口腔健康与一般健康之间的关系开展临床教育以促进牙科学校的专业精神
  • 批准号:
    15K15780
  • 财政年份:
    2015
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Analysis of hydrogenase genes for the ecological elucidation of hydrogen-producing bacterial community in paddy field soil
氢化酶基因分析用于稻田土壤产氢细菌群落生态学解析
  • 批准号:
    24780318
  • 财政年份:
    2012
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Young Scientists (B)
Hybrid simulations for the mechanical degradation of polymer solution by turbulence
湍流引起的聚合物溶液机械降解的混合模拟
  • 批准号:
    23760156
  • 财政年份:
    2011
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Young Scientists (B)
Evaluation of mitigation mechanism of methane emission by community analysis of methanogenic archaea in water-saving rice paddy field soil
节水稻田土壤产甲烷古菌群落分析评价甲烷排放减缓机制
  • 批准号:
    22780290
  • 财政年份:
    2010
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Young Scientists (B)
Fundamental studies on the interaction between the polymer chain dynamics and turbulent flows
聚合物链动力学与湍流相互作用的基础研究
  • 批准号:
    20760112
  • 财政年份:
    2008
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Young Scientists (B)
Analysis and application of memory T and memory B cells by applying artificial lymph nodes
应用人工淋巴结对记忆T细胞和记忆B细胞的分析与应用
  • 批准号:
    19390142
  • 财政年份:
    2007
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
DETECTING DEFECTS OF PATCH REPAIRED CONCRETE BY IMAGING BASED ON ULTRASONIC METHOD
基于超声波方法的成像检测补补混凝土缺陷
  • 批准号:
    19760304
  • 财政年份:
    2007
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Young Scientists (B)
Comparative functional analysis based on the 3D-structures of plant and microbial family 19 chitinases
基于植物和微生物家族 19 几丁质酶 3D 结构的比较功能分析
  • 批准号:
    19580084
  • 财政年份:
    2007
  • 资助金额:
    $ 3.74万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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