Author(s):

Deepa Bhatt, Karan Vir Singh, AK Barholia and Devendra Vishvkarma

Abstract: An investigation was carried out to see the effect of fertilizer and spacing on the growth and yield of taro at research field of Department of Horticulture, College of Agriculture, RVSKVV, Gwalior during two consecutive kharif seasons of 2017 and 2018. Three levels of fertilizer dose viz., F₁ = full FYM (10t/ha.) + recommended dose of NPK (80:60:60 kg/ha), F₂ = full FYM (10t/ha.) +75% of recommended dose of NPK (60:45:45 kg/ha), F₃ = full FYM (10t/ha.) +125% of recommended dose of NPK (100:75:75 kg/ha) and three levels of spacing viz., 0.60m x 0.30m, 0.60m x 0.45m and 0.60m x 0.60m were used as treatment variables. The experiments were laid out in factorial randomized block design with three replications. The growth attributes of taro viz., plant height, number of leaves per plant, petiole length, number of petioles per plant, and number of side shoots per plant were significantly increased by the application of F₃ [full FYM (10 t/ha) + 125% recommended dose of NPK (100:75:75 kg/ha)]. The yield attribute and yield of taro viz., number of corms per plant, number of cormels per plant, cormel length, cormel diameter, average corm weight and yield per plant and yield per hectare were significantly increased by the application of F₃ [full FYM (10 t/ha) + 125% recommended dose of NPK (100:75:75 kg/ha)]. Plant spacing showed positive influences on the height of plant, number of leaves per plant, petiole length, number of petioles per plant, number of side shoots per plant, number of corms per plant, number of cormel per plant, cormel length, cormel diameter, average corm weight, average cormel weight, yield per plant and yield per hectare. The highest yield (10.05 t/ha and 10.54 t/ha) was obtained from the fertilizer application of F₃, respectively in both the year 2017 and 2018. Yield per hectare was increased with the lower plant spacing up to 0.60m x 0.30m. The highest yield (8.74 t/ha 9.06 t/ha) was obtained from the spacing of 0.60m x 0.30m, respectively in both the year 2017 and 2018.

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