Evaluation of integrated nutrient management of coconut (Cocos nucifera) based cropping system in the central zone of Karnataka

R SIDDAPPA; S SUMITHA; H P MAHESWARAPPA; T B BASAVARAJU

doi:10.56093/ijas.v93i1.107357

Authors

R SIDDAPPA Horticulture Research and Extension Station, Arsikere, University of Horticultural Sciences, Bagalkot, Karnataka
S SUMITHA ICAR-Central Plantation Crops Research Institute, Kasaragod, Kerala
H P MAHESWARAPPA University of Horticultural Sciences, Bagalkot, Karnataka
T B BASAVARAJU College of Horticulture, Kolar, University of Horticultural Sciences, Bagalkot, Karnataka

https://doi.org/10.56093/ijas.v93i1.107357

Keywords:

Coconut, Component crops, INM, System productivity

Abstract

The present study has indicated non significant difference among integrated and organic nutrient treatments under coconut-based cropping system (CBCS) and there is a trend towards a positive impact of organic treatment on maintaining the productivity in the system. The experimental results proved the fact that treatment with a 50% RDF + 50% N through organic recycling-vermicompost (12.5 kg/ tree) + vermiwash (5.0 litre/tree) + Azospirillum (100 g/ tree) and in situ green manuring (cowpea) (15 kg/tree) gives maximum benefit (T2). The findings of the field trials over a period of 6 years offered useful information for an agronomic assessment of various INM modules in coconut based cropping system for central zone of Karnataka. In summary, integrating organic compost into INM module can not only help to replace chemical fertilizers in whole or in part, on the other hand also encourage farmers to recycle various farming wastes into a more viable, cost-effective, environmentally friendly and substitute product through composting.

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