Analysis of salts transport affected by root absorption capacity in surface - Irrigated fields in the upper Yellow River basin

Daisuke Yasutake, Takuya Araki, Weizhen Wang, Tetsuo Kobayashi, Hiroyuki Cho, Makito Mori, Kitano Masaharu

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)

抄録

In order to analyze the salt transport affected by roots and its effects on soil salinity in an experimental irrigated field newly established in an alluvial valley of the Yellow River in China, spatial distribution of ions contained in waters, soils and crops relevant to these phenomena were evaluated there. During the intensive surveys conducted in year 2007-2008, the Yellow River water, irrigation canal water, groundwater, field soils and crops, etc. were sampled and their chemical characteristics such as electrical conductivity, concentrations of ions Na+, Ca2+, Mg2+, K +, Cl-, SO 4 2- and NO 3 - were measured. Irrigation seemed to cause increases in the concentrations of ions Na+, Cl- and SO 4 2- in the groundwater. Although those were also major ions contained in the field soil, the soil was classed as saline but not sodic according to the standard classification. On the other hand, K+, which is one of the major essential nutrients for plant growth, was highly concentrated in the crops, while Na+ was not concentrated because of crop's poor ability to absorb it. The ion concentration within the plant body seemed to be reflected by the active and selective ion uptake by roots and the transpiration stream. Furthermore, salt accumulation in the surface-irrigated field largely depended on the upward transport of water and ions in the soil profile affected by root absorption capacity. The information obtained in this study will contribute to the development of scientific methods for sustainable and effective plant production in irrigated fields.

元の言語英語
ページ(範囲)570-574
ページ数5
ジャーナルBiologia
64
発行部数3
DOI
出版物ステータス出版済み - 6 1 2009

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irrigated farming
Yellow River
Rivers
Catchments
Soil
Salts
river basin
Ions
ions
salt
salts
ion
Soils
Crops
Water
Groundwater
crop
crops
groundwater
soil

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry
  • Animal Science and Zoology
  • Molecular Biology
  • Genetics
  • Plant Science
  • Cell Biology

これを引用

Analysis of salts transport affected by root absorption capacity in surface - Irrigated fields in the upper Yellow River basin. / Yasutake, Daisuke; Araki, Takuya; Wang, Weizhen; Kobayashi, Tetsuo; Cho, Hiroyuki; Mori, Makito; Masaharu, Kitano.

:: Biologia, 巻 64, 番号 3, 01.06.2009, p. 570-574.

研究成果: ジャーナルへの寄稿記事

Yasutake, Daisuke ; Araki, Takuya ; Wang, Weizhen ; Kobayashi, Tetsuo ; Cho, Hiroyuki ; Mori, Makito ; Masaharu, Kitano. / Analysis of salts transport affected by root absorption capacity in surface - Irrigated fields in the upper Yellow River basin. :: Biologia. 2009 ; 巻 64, 番号 3. pp. 570-574.
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