Effect of growing media and integrated nutrient management on growth and flowering of rose cv. ‘Grand Gala’ under naturally ventilated polyhouse
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Date
2013-01
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
The present investigation entitled “Effect of growing media and integrated nutrient management on growth and flowering of rose cv. ‘Grand Gala’ under naturally ventilated polyhouse was conducted at Agroforestry Research Centre, G.B. Pant University of Agriculture & Technology, Pantnagar during 2009 and 2010. For the experiment four growing medium viz., soil + vermicompost + sand (G1), soil + vermicompost + cocopeat
(G2), soil + vermicompost + sawdust (G3) and soil + vermicompost + rice husk (G4) mixed in the ratio of 1:1:1 (v/v) and three fertilizers sources viz., F1 (150 ppm of N and 200 ppm of K through water soluble fertilizers), F2 (150 ppm of N and 200 ppm of K through commercial straight fertilizers) and F3 (Biofertilizers (VAM +Azospirillum + Phosphate solubilizing microorganisms) + F1) were used. Total numbers of treatments were twelve with three replication of each treatment. Experimental design was CRD two Factorial with all factorial
combination of four growing media and three fertilizers combination. Among twelve treatment combinations, treatment T12 consisting of soil + vermicompost + rice husk fertigated with biofertilizers + water soluble fertilizers (G4F3) found best treatment for most of the parameters viz., earliness for flower bud appearance and bud appearance to harvesting , bud length, flower size weight of flower stem, flower yield/m2/flush and flower yield per year Whereas, maximum plant height, leaf area, pedicel length ‘A’, ‘B’ grade flowers were recorded in T9.. Treatment 1 containing soil + vermicompost + sand and water soluble fertilizers (G1F1) was found inferior in almost all aspects of the vegetative as well as floral attributes during present experiment.
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Thesis-PhD
Keywords
integrated nutrient management, growing media, growth rate, roses, floriculture, greenhouses, ventilation,