Seasonal changes in the performance of a catch crop for mitigating diffuse agricultural pollution

K. Kondo, K. Inoue, T. Fujiwara, S. Yamane, D. Yasutake, Morihiro Maeda, Hideaki Nagare, S. Akao, K. Ohtoshi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

An in situ technology for mitigating diffuse agricultural pollution using catch crops was developed for simultaneously preventing nitrate groundwater pollution, reducing nitrous oxide (N2O) gas emissions, and removing salts from the topsoil. Seasonal changes in the performance of a catch crop were investigated using lysimeters in a full-scale greenhouse experiment with 50 d cultivation of dent corn. Catch crop cultivation significantly reduced the leached mineral nitrogen by 89-91% in summer, 87-89% in spring, and 61-82% in winter, and it also significantly reduced the N2O emission by 68-84% in summer. The amounts of nitrogen uptake by the catch crop were remarkably higher than those of leached nitrogen and N2O emission in each season. Catch crop cultivation is a promising technology for mitigating diffuse agricultural pollution.

Original languageEnglish
Pages (from-to)776-782
Number of pages7
JournalWater Science and Technology
Volume68
Issue number4
DOIs
Publication statusPublished - 2013

Fingerprint

catch crop
Crops
Pollution
Nitrogen
nitrogen
Groundwater pollution
Lysimeters
groundwater pollution
Greenhouses
summer
lysimeter
Gas emissions
nitrous oxide
topsoil
Nitrates
Minerals
maize
agricultural pollution
Salts
nitrate

Keywords

  • Agricultural pollution
  • Catch crop
  • Greenhouse
  • Nitrous oxide
  • Seasonal change

ASJC Scopus subject areas

  • Environmental Engineering
  • Water Science and Technology

Cite this

Seasonal changes in the performance of a catch crop for mitigating diffuse agricultural pollution. / Kondo, K.; Inoue, K.; Fujiwara, T.; Yamane, S.; Yasutake, D.; Maeda, Morihiro; Nagare, Hideaki; Akao, S.; Ohtoshi, K.

In: Water Science and Technology, Vol. 68, No. 4, 2013, p. 776-782.

Research output: Contribution to journalArticle

Kondo, K. ; Inoue, K. ; Fujiwara, T. ; Yamane, S. ; Yasutake, D. ; Maeda, Morihiro ; Nagare, Hideaki ; Akao, S. ; Ohtoshi, K. / Seasonal changes in the performance of a catch crop for mitigating diffuse agricultural pollution. In: Water Science and Technology. 2013 ; Vol. 68, No. 4. pp. 776-782.
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