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2026 Vol.59, Issue 3 Preview Page

Original research article

Influence of pre-crops on soil quality and seed yield of a post-crop, mungbean at double cropping systems in the southern paddy field
Seo Young Oh1*
,
Tae Hee Kim2
,
Sung Hoon Kim1
,
Hyunggon Mang3
,
Jongho Park4
1Research Scientist, Field Crop Research Division, Department of Upland Crop Sciences, National Institute of Crop and Food Science, RDA, Miryang 50424, Korea
2Assistant Researcher, Korean Medicine & Natural Products Center, Chungbuk Technopark, Chungcheongbuk-do 27159, Korea
3Research Scientist, Highland Agriculture Research Institute, National Institute of Crop and Food Science, RDA, Pyeongchang 25342, Korea
4Research Scientist, Extension Service Bureau, R&D extension Division, RDA, Jeonju 54875, Korea
*Corresponding Author
31 August 2026. pp. 247-260
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Abstract

Purpose: This study was conducted to evaluate the effects of different cropping systems on soil properties and seed yield of mungbean (Vigna radiata (L.) Wilczek) cultivated as a post-crop in the southern paddy fields.

Methods: The experiment was carried out for two years in the paddy field located in Miryang, Korea, using four double cropping systems: wheat–mungbean, mungbean–mungbean, waxy maize–mungbean, and potato–mungbean. Mungbean was cultivated as a late-summer post-crop after harvesting each pre-crop, and soil physicochemical properties as well as growth and yield characteristics of mungbean were investigated.

Results: Before the cropping systems were established, the paddy soil showed high bulk density and low porosity. However, after the double-cropping systems were applied, soil porosity increased while bulk density decreased, indicating improved soil physical properties. Soil pH in the wheat–mungbean system remained within the optimum range for mungbean cultivation (pH 6.5–7.0), and exchangeable cation contents were maintained at appropriate levels. Growth characteristics of mungbean differed among cropping systems, and the wheat–mungbean system showed higher branch number, pod dry weight, and seed dry weight than the other systems. Seed yield and test weight were also highest in the wheat–mungbean system, whereas the waxy maize–mungbean system showed the lowest yield. In contrast, continuous mungbean cultivation in the mungbean–mungbean system resulted in reduced first pod height, pod number, and seed yield, suggesting the occurrence of continuous cropping injury during two years.

Conclusions: These results indicate that the wheat–mungbean double-cropping system could be an effective cropping practice for improving soil properties and ensuring stable mungbean production in southern paddy fields.

Soil properties and the growth of pre-crops (wheat, mungbean, waxy maize, and potato) and post-crop (mungbean) applied under different cropping systems in the paddy fields.
Keywords
Crop rotation
Cropping system
Mungbean cultivation
Paddy field
Soil properties
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Information
  • Publisher :Korean Society of Soil Science and Fertilizer
  • Publisher(Ko) :한국토양비료학회
  • Journal Title :Korean Journal of Soil Science and Fertilizer
  • Journal Title(Ko) :한국토양비료학회 학회지
  • Volume : 59
  • No :3
  • Pages :247-260
  • Received Date : 2026-05-29
  • Revised Date : 2026-08-20
  • Accepted Date : 2026-08-21
  • DOI :https://doi.org/10.7745/KJSSF.2026.59.3.247
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