Long term effect of organic manures and microbial inoculants on nutrient uptake and yield of Plumbago rosea when grown as an intercrop in coconut garden
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Date
2010
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Abstract
An experiment was carried out at College of Agriculture, Vellayani, Kerala, India during 2004-2005 with twelve treatments and one control in Randomized Block Design with
three replications to study the long term effect of basal application of three different organic manures (Farm Yard Manure , Neem Cake and Vermi Compost ) alone and in
combination with microbial inoculants mixture (Arbuscular Micorhizzal Fungi (AMF), Azospirillum and Phosphobacteria) on the nutrient uptake and yield of Plumbago rosea. The study revealed that treatment supplying 50% RDN through farm yard manure and neem cake along with the microbial inoculants mixture recorded the highest leaf count, fresh weight of plants, total dry matter production, root length and root girth. This treatment also recorded highest nutrient uptake, fresh and dry root yield per plant and benefit cost ratio. This experiment shows that the use of neem cake and FYM in the
ratio 1:4 along with themicrobial inoculants as basal dose has a long term effect on the nutrient supplying capacity of the soil thus reducing the cost of production of organic cultivation and enhancing the benefit cost ratio of the farmers.
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Farmyard manure, microbial inoculants, neem cake, Plumbago rosea, vermicompost
Citation
Journal of Medicinal and Aromatic Plant Sciences 32 (3) (2010) 257-261