Leaf Color Chart
_(cropped).jpg) A farmer in Punjab determining the nitrogen levels in a rice paddy by using a leaf color chart. | |
| Uses | Diagnosis of nitrogen levels in plants (rice) |
|---|---|
| Inventor | International Rice Research Institute |
The Leaf Color Chart (LCC) is a diagnostic tool used to determine the nitrogen level in rice plants relative to the shade of green of the plant's leaves. It is a ruler-shaped strip containing at least four panels of color, ranging from yellowish green to dark green. The leaf of the plant is compared with the color panels to determine how much nitrogen fertilizer is needed. It was developed by the International Rice Research Institute (IRRI).[1][2][3]
The IRRI with the aid of the University of California Cooperative Extension, standardized the LCC. The standardized version is 12.7 centimetres (5.0 in) long with four panels of colors.[2]
References
- ^ "Use of leaf colour charts gaining popularity". The Daily Star. 23 February 2010. Retrieved 11 August 2021.
- ^ a b "Leaf Color Chart (LCC)" (PDF). IRRI Rice Knowledge Bank. International Rice Research Institute. Retrieved 11 August 2021.
- ^ "Rice in Southeast Asia: facing risks and vulnerabilities to respond to climate change" (PDF). Building Resilience for Adaptation to Climate Change in the Agriculture Sector. Food and Agriculture Organization: 307.
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