Biofertilizers

Ginger responds well to the application of biofertilizers. Studies conducted by Vilasini (1996) indicated that soil solarized for 30 days and incorporated with Trichoderma (125 g/m2) and amended with neem cake (500 g/m2) could control the disease effectively and increase the yield considerably. Sharma et al. (1997) found that inoculation with Glomus mosseae at the spore stage (10 X 102)/g soil gave taller ginger plants, with higher yield (46.5 g per pot) and greater number of tillers per plant than other treatments under the subtropical conditions of Himachal Pradesh, India. Soil application of Gigaspora margarita (2.5 g per rhizome) at the time of planting increased plant height, number of leaves and tillers, root weight, and yield of ginger, which is similar to that of pine needle organic amendment and seed treatment with Trichoderma harzianum.

Treating rhizomes of cv. Mahi with Azetobacter and Azospirillum followed by application of N at 50 kg/ha produced a higher green ginger yield of 20.34 t/ha against an uninoculated field (receiving 75 kg N/ha), which yielded 17.44 t/ha (Konde et al., 1988).

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