Efficacy of bio-composts on yield and quality of cabbage (brassica oleracea var. capitata)
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Date
2005-07
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
The present investigation was conducted during Kharif 2004-05 at Vegetable Research Block (GBPUA&T), Hill Campus, Ranichauri, Tehri Garhwal (Uttaranchal), to study the efficacy of biocomposts on growth, yield and quality of cabbage cv. S-96. The experiment was laid out in Randomized Block Design, having nine treatment combinations with three replications. The combinations were consisted of FYM, vermicompost, FYM along with urea as nitrogen source and bioagents viz. Pseudomonas fluorescens and Trichoderma harzianum.
During the course of investigation observation for stalk length, number and weight of non wrapper leaves, leaf area index, net head weight, core volume, yield per hectare, ascorbic acid & chlorophyll content, photosynthesis and disease incidence were recorded.
All treatments were differed in their yield potential. Highest yield of heads of 415.83 q ha-1 was obtained in treatment T8, to which 120 kg nitrogen ha-1 (recommended dose) was supplied through Pseudomonas fluorescens inoculated recommended dose of FYM (20 t ha-1) along with balance 20 kg nitrogen ha-1 as basal urea. The higher yield in the treatment was obtained due to more weight of heads. The same treatment also showed more ascorbic acid content in their heads. Similarly, more chlorophyll content along with highest rate of photosynthesis was also noticed in treatment T8.
In general, Trichoderma harzianum inoculated biocomposts showed better control of Rhizoctonia solani in the experiment.
So, based on the findings of present investigation it can be concluded that for more head weight along with higher ascorbic acid content and yield, the S-96 cv. of cabbage should supplied 120 kg nitrogen dose in form of Pseudomonas fluorescens inoculated 20 t FYM along with 20 kg nitrogen ha-1 as basal urea. But considering the importance of completely organically grown cabbage crop in Uttaranchal, the vegetable growers can opt an alternative recommendation i.e. the farmer should apply 120 kg nitrogen ha-1 in the form of Pseudomonas fluorescens or Trichoderma harzianum inoculated FYM in order to get higher yield and return from the crop.
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