Effect of integrated nutrient management on fruit quality of pomegranate cv. Ganesh
Keywords:
INM, vermicompost, FYM, biofertilizers, fruit quality, pomegranate.Abstract
A field experiment was conducted with integrated nutrient management treatments on 5 year old pomegranate cv. Ganesh. Total treatment combinations were seventeen viz, T1-Recommended dose of NPK i.e. 500 : 200: 500 g NPK/plant, T2- Vermicompost (10 kg/plant) + Neem cake (5 kg/plant) +Karanj cake (5 kg/plant), T3-Vermicompost (10 kg plant) + 50% NPK, T4-Vermicompost (10 kg/plant) + 50% NPK + PSB (20 g/plant), T5-Vermicompost (10 kg / plant) + 50% NPK + Azotobacter (20 g/plant), T6-Neem cake 5 kg + 50% NPK ), T7- Neem cake 5 kg + 50% NPK + PSB (20 g/plant), T8-Neem cake 5 kg + 50% NPK + Azotobacter (20 g/plant), T9-Karanj cake (5 kg / plant) + 50 % NPK, T10-Karanj cake (5 kg / plant) + 50% NPK + PSB (20 g/plant), T11- Karanj cake (5 kg / plant) + 50% NPK + Azotobacter (20 g/plant), T12-Vermicompost (10 kg) + Neem cake 5 kg + 25% NPK, T13- Vermicompost (10 kg) + Neem cake (5 kg) + 25% NPK + PSB (20 g/plant), T14-Vermicompost (10 kg) + Neem cake (5 kg) + 25% NPK + Azotobacter (20 g/plant), T15-Vermicompost (10 kg) + Karanj cake (5 kg / plant) + 25% NPK, T16-Vermicompost (10 kg) + Karanj cake (5 kg / plant) + 25% NPK + PSB (20 g/plant) and T17- Vermicompost (10 kg) + Karanj cake (5 kg / plant) + 25% NPK + Azotobacter (20 g/plant). Result revealed that combination of vermicompost @ 10 kg + 25 per cent recommended dose of NPK + 5 kg Neem cake+ PSB 20g per plant significantly increased the quality components of pomegranate fruits in terms of TSS (16.95 ◦ Brix) , TSS acid ratio (41.62), ascorbic acid (14.39 mg/100 g), total sugar (14.24%) and organoleptic score (8.51) as well as leaf and soil nutrient status as compared to recommended dose of NPK (500g : 200g: 500g).
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