Chinese Geographical Science

, Volume 13, Issue 1, pp 62–65 | Cite as

Study on the interaction between NDVI profile and the growing status of crops

  • Jiang Dong 
  • Wang Nai-bin 
  • Yang Xiao-huan 
  • Wang Ji-hua 
Article

Abstract

Daily and ten-day Normalized Difference Vegetation Index (NDVI) of crops were retrieved from meteorological satellite NOAA AVHRR images. The temporal variations of the NDVI were analyzed during the whole growing season, and thus the principle of the interaction between NDVI profile and the growing status of crops was discussed. As a case in point, the relationship between integral NDVI and winter wheat yield of Henan Province in 1999 had been analyzed. By putting integral NDVI values of 60 sample counties into the winter wheat yield-integral NDVI coordination, scattering map was plotted. It demonstrated that integral NDVI had a close relation with winter wheat yield. These relation could be described with linear, cubic polynomial, and exponential regression, and the cubic polynomial regression was the best way. In general, NDVI reflects growing status of green vegetation, so crop monitoring and crop yield estimation could be realized by using remote sensing technique on the basis of time serial NDVI data together with agriculture calendars.

Key words

NDVI profile growing status crop 

CLC number

S162.5 

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Copyright information

© Science Press 2003

Authors and Affiliations

  • Jiang Dong 
    • 1
  • Wang Nai-bin 
    • 1
  • Yang Xiao-huan 
    • 1
  • Wang Ji-hua 
    • 2
  1. 1.Resources and Environment Data Center, Institute of Geographical Sciences and Natural Resources Researchthe Chinese Academy of SciencesBeijingP. R. China
  2. 2.Beijing Institute of Agriculture and ForestryBeijingP. R. China

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