Environmental Science
8 years ago

New study identifies best vegetation index for winter wheat growth monitoring.

Advances in Space Research
Evaluating the potential of vegetation indices for winter wheat LAI estimation under different fertilization and water conditions
Qiaoyun Xie, Wenjiang Huang, Jadunandan Dash, Xiaoyu Song, Linsheng Huang, Jinling Zhao, Ren-Hong Wang

Paper Summary

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The goal of the study was to find the best way to estimate the leaf area of winter wheat plants under different fertilizer and water conditions. The researchers used different vegetation indices to measure the leaf area and found that the modified soil-adjusted vegetation index (MSAVI) and the normalized difference vegetation index (NDVI) were the most accurate. The modified triangular vegetation index (MTVI2) also showed potential, while the ratio vegetation index (RVI) and the modified simple ratio index (MSR) were less accurate. This means that certain vegetation indices can be used to quickly and effectively map the leaf area of winter wheat plants, even under different management practices.