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2025 Vol.70, Issue 4 Preview Page

Original Research Article

Assessing the Potential of Potato Yield Estimation using the In-season Normalized difference Vegetation Index

감자 생육기 NDVI 분석 기반 수량 예측 가능성 분석

Woon-Ha Hwang1*
,
In-Ha Lee2
,
Seng-Yul Jang3
,
Dong-Won Kwon3
,
Woo-Jin Im3
,
Hyeok-Jin Park4
,
Wan-Gue Sang3
,
Do-Hyen Kim5
,
Un-Ji Kim2
황 운하1*
,
이 인하2
,
장 성율3
,
권 동원3
,
임 우진3
,
박 혁진4
,
상 완규3
,
김 도현5
,
김 은지2
1Senior Scientist, Crop National Institute of Crop Science, RDA, Wanju 55365, Korea
2Student, Crop National Institute of Crop Science, RDA, Wanju 55365, Korea
3Junior Scientist, Crop National Institute of Crop Science, RDA, Wanju 55365, Korea
4Professional Researcher, Crop National Institute of Crop Science, RDA, Wanju 55365, Korea
5Private Expert, Crop National Institute of Crop Science, RDA, Wanju 55365, Korea
1농촌진흥청 국립식량과학원정 농업연구관
2농촌진흥청 국립식량과학원 박사과정 학생
3농촌진흥청 국립식량과학원 농업연구사
4농촌진흥청 국립식량과학원 전문연구원
5농촌진흥청 국립식량과학원 민간전문가
*Corresponding Author
1 December 2025. pp. 321-327
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Abstract

Estimating potato production before harvest is necessary for stabilizing the distribution structure and securing storage space. Overseas, active research is underway using a recently developed sensing technology to analyze the growth of above-ground potatoes, but not much related research has been undertaken in Korea. To diagnose potato yield using the vegetation index, the correlation between above-ground dry weight, yield, and the Normalized Difference Vegetation Index (NDVI) was analyzed. The above-ground dry weight showed a significant correlation with the total potato yield, but its correlation with the yield of potatoes weighing 80 g for more was low, which affects marketability. The above-ground dry weight of potatoes showed a significant correlation with the NDVI at the period of greatest growth, whereas the correlation coefficient tended to decrease as the harvest season approached. Potato yield shows a significant correlation with the NDVI at the period of greatest growth; therefore, the final potato yield can be predicted and diagnosed through the vegetation index at the peak of growth.

Keywords
biomass
NDVI
potato
yield
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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 70
  • No :4
  • Pages :321-327
  • Received Date : 2025-11-07
  • Revised Date : 2025-11-14
  • Accepted Date : 2025-11-15
  • DOI :https://doi.org/10.7740/kjcs.2025.70.4.321
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