Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)

Korean Society of Soil Science and Fertilizer (한국토양비료학회)
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Estimating the Amount of Nitrogen in Hairy Vetch on Paddy Fields using Unmaned Aerial Vehicle Imagery

  • Lee, Kyung-Do (Climate Change and Agroecology Division, National Institute of Agricultural Science, RDA) ;
  • Na, Sang-Il (Climate Change and Agroecology Division, National Institute of Agricultural Science, RDA) ;
  • Baek, Shin-Chul (Climate Change and Agroecology Division, National Institute of Agricultural Science, RDA) ;
  • Park, Ki-Do (Crop Cultivation and Environment Research Division, National Institute of Crop Science, RDA) ;
  • Choi, Jong-Seo (Crop Cultivation and Environment Research Division, National Institute of Crop Science, RDA) ;
  • Kim, Suk-Jin (Crop Cultivation and Environment Research Division, National Institute of Crop Science, RDA) ;
  • Kim, Hak-Jin (Dept. of Biosystems and Biomaterals Engineering, College of Agriculture and Life Sciences, Seoul National University) ;
  • Yun, Hee-Sup (Dept. of Biosystems and Biomaterals Engineering, College of Agriculture and Life Sciences, Seoul National University) ;
  • Hong, Suk-Young (Climate Change and Agroecology Division, National Institute of Agricultural Science, RDA)
  • Received : 2015.09.02
  • Accepted : 2015.10.12
  • Published : 2015.10.31
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Abstract

Remote sensing can be used to provide information about the monitoring of crop situation. This study was conducted to estimate the amount of nitrogen present in paddy fields by measuring the amount of nitrogen in hairy vetch using an UAV (Unmaned Aerial Vehicle). NDVIs (Normalized Difference Vegetation Index) were calculated using UAV images obtained from paddy fields in Seocheon on May $14^{th}$ 2015. There was strong relationship between UAV NDVI and the amount of nitrogen in hairy vetch ($R^2=0.79$). Spatial distribution maps of green manure nitrogen were generated on each paddy field using the nitrogen-vegetation index relations to help farmers determine the amount of N fertilizers added to their rice fields after the application of green manure such as hairy vetch.

Keywords

References

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