Author(s):

G Chandrashekhar and JK Hore

Abstract: An experiment was carried out at Horticultural Research Station, Mondouri, BCKV, West Bengal to identify the suitable bio-organic combination for production of organic ginger variety Gorubathan, with three types of biofertilizers namely nitrogenous biofertilizer, phosphate solubilizing Bacteria and potassic mobilizer with combination of inorganic fertilizer doses (100%, 75% and 50% NPK) and two levels of FYM i.e. 15 t and 30 t. Among different treatments, maximum plant height, number of tillers, number of leaves and plot yield 3m^-2 were recorded, in respect of sole effect of farmyard manure the maximum plant height (83.81) under F₂ (30t ha^-1), maximum number of tiller (16.96) under F₂ (30t ha^-1), Plants under F₂ (30t ha^-1) recorded maximum leaf number (156.0) and maximum plot yield (9.92 kg 3m^-2) were observed with F₂ (30t ha^-1). In case of inorganic fertilizer and biofertilizer, the maximum plant height of (85.60 cm) recorded under B₁ (NPK 100% + Azotobacter + PSB + K mobilizer) maximum number of tiller (16.04) was observed under B₁ (NPK 100% + Azotobacter + PSB + K mobilizer), maximum leaf number (157.50) were associated with B₁ (NPK 100% + Azotobacter + PSB + K mobilizer) maximum yield 10.57 kg 3m^-2 was observed with B₁ (NPK 100% + Azotobacter + PSB + K mobilizer).

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