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Spatial Variability and Precision Nutrient Management in Sugarcane

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Abstract

Investigations were carried out to develop precision nutrient management techniques for sugarcane. The study area (800 ha) comprised of Bijapur, Bilgi and Jamakhandi talukas that lie between 16° 34′–28° 10′ N latitudes and 75° 33′–75° 37′ E longitudes and located around Nandi Sahakari Sakkare Karkhane (NSSK) Niyamit, Galagali. The soils are medium to deep black with pH and EC ranging from 7.32 to 8.36 and 0.17 to 1.13 dS/m, respectively. The soils are low to medium in available nitrogen, medium in available phosphorus and high in available potassium content. Crop condition assessment was made through analysis of LISS-III satellite images using Erdas Imagine software. Fertigation with 300 kg N and 195 kg K per ha at fortnightly interval and soil application of 32 kg P per ha as basal, recorded higher sugarcane yield (167 Mg ha−1) as compared to 124 Mg ha−1 obtained with soil application of 250 kg N, 32 kg P and 156 kg K per ha and flood irrigation as per the package recommended by the University(POP). Fertigation of N and K at weekly interval recorded highest NDVI value (0.354) and soil application of nutrients as per POP resulted in the lowest NDVI of 0.219.

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Acknowledgement

Authors gratefully acknowledge the financial support from ISRO, Bangalore, through RESPOND project and Nandi Sahakari Sakkare Karkhane (NSSK) Niyamit, Chikka Galagali, Bijapur District, Karnataka.

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Authors and Affiliations

  1. Precision Agriculture Research Chair, College of Food and Agricultural Sciences, King Saud University, P.O.Box 2460, Riyadh, 11451, Saudi Arabia

    V. C. Patil

  2. University of Agricultural Sciences, Dharwad, Karnataka, India

    B. T. Nadagouda

  3. Precision Agriculture Research Chair, Department of Agricultural Engineering, College of Food and Agricultural Sciences, King Saud University, P.O.Box 2460, Riyadh, 11451, Saudi Arabia

    K. A. Al-Gaadi

Authors
  1. V. C. Patil
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  2. B. T. Nadagouda
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  3. K. A. Al-Gaadi
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Corresponding author

Correspondence to V. C. Patil.

Additional information

Paper presented at the 9th International Conference on Precision Agriculture held in Denver, Colorado, USA from 18 to 21 July, 2008.

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Patil, V.C., Nadagouda, B.T. & Al-Gaadi, K.A. Spatial Variability and Precision Nutrient Management in Sugarcane. J Indian Soc Remote Sens 41, 183–189 (2013). https://doi.org/10.1007/s12524-011-0181-4

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  • DOI: https://doi.org/10.1007/s12524-011-0181-4

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