Crop Growth Monitoring using Green Seeker Technology - A Case of NARC Field Station in Pothwar Region | [Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences • 2016]

Author(s):

1. Arshad Ashraf: Climate change, Alternate Energy and Water Resources Institute, National Agricultural Research Centre (NARC),Park Road, Islamabad,Pakistan

2. Imtiaz Hussain: International Maize and Wheat Improvement Center (CIMMYT) Office, Islamabad, Pakistan Natural Resource Division, Pakistan Agricultural Research Council (PARC),Islamabad,Pakistan

3. Muhammad Munir Ahmad: Climate change, Alternate Energy and Water Resources Institute, National Agricultural Research Centre (NARC),Park Road, Islamabad,Pakistan

4. Muhammad Bilal Iqbal: Climate change, Alternate Energy and Water Resources Institute, National Agricultural Research Centre (NARC),Park Road, Islamabad,Pakistan

5. Mansoor Ali: Climate change, Alternate Energy and Water Resources Institute, National Agricultural Research Centre (NARC),Park Road, Islamabad,Pakistan

6. Qurban Hussain: Climate change, Alternate Energy and Water Resources Institute, National Agricultural Research Centre (NARC),Park Road, Islamabad,Pakistan

Abstract:

The green seeker technology was applied to acquire Normalized Difference Vegetation Index (NDVI) and Red-Near Infrared (NIR) ratio of main crops i.e. wheat, rice and oats grown in the NARC field station, Pothwar region to provide repository for future monitoring of the crops through satellite imaging. The spectral data of different growth stages of the wheat crop indicated NDVI values ranging between 0.1 0.88 during Rabi 2006-07 and Rabi 2015-16. The values of wheat and oat crops indicated a similar pattern during Rabi 2015-16, but with slight difference before the heading and near the harvesting stage of the crops. The NDVI values of rice crop grown in the irrigated fields during Kharif 2007 ranged between 0.03 - 0.61. The value was maximum during the heading followed by maturity stage. NDVI values observed in the rainfed fields indicated high variability due to heterogeneous crop cover resulting from variable moisture conditions, fertilizer use, soil type and sowing practices. A detail study needs to be carried out in different agro-ecological regions of the country to collect unique spectral characteristic of different crops and the surrounding land covers to support satellite based crop monitoring and yield forecasting in future.

Page(s): 195-205

DOI: DOI not available

Published: Journal: Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, Volume: 53, Issue: 3, Year: 2016

Keywords:

Spectral Reflectance , Pothwar , vegetation index , Green seeker , crop monitoring

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