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Abstract
The experiment was conducted to study the influence of application of different proportions of farmyard manure (FYM), poultry manure (PM) and vermicompost (VC) in combination with inorganic fertilizers along with seed treatment with biofertilizers on growth and productivity of rainfed potato. The experiment was conducted in split-plot design with eight nutrient management treatments in main plots and three biofertilizers (Azotobactor, PSB and Azotobactor + PSB) treatments in subplots. Shoot number, plant height, leaf area index (LAI), dry mater accumulation, dry mater partitioning, tuber yield The results showed that fertility treatments increased tuber yield by 32–90% in 2005, 29–79% in 2006 and 32–80% in 2007 over control plots. The best treatment combination was with application of 50% RDNPK through inorganic fertilizers and 50% RDN through PM along with combination of Azotobactor + PSB. The best treatment tuber yield were recorded 229.19, 238.12 and 240.07 q ha−1 in the year 2005, 2006 and 2007 respectively.
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