Author(s):

Sandeep Airee, Biroj Belbase, Aashish Rashik Ghimire, Sushil Kunwar, Suraj Acharya and Rajendra Regmi

Abstract: A field experiment was conducted on Garlic (<em>Allium sativum </em>L.) to study the responses of different nutrients sources on growth parameters, yield, soil properties and economic return. The experiment was laid out in Randomized Completely Block Design (RCBD) in Agriculture and Forestry University farm during the year 2018-2019. There were 5 treatments viz. T₁ (140:140:70 kg NPK + 20t FYM ha^-1), T₂(140:140:70 kg NPK + 5.5t Vermicompost ha^-1), T₃(140:140:70 kg NPK + 20 lit Azotobacter + PSB + KMB ha^-1), T₄(20t FYM + 20 lit Azotobacter + PSB + KMB ha^-1) and T₅ (140:140:70 kg NPK + 20t FYM +20 lit Azotobacter + PSB+KMB + 5.5t Vermicompost ha^-1) each with four replications. Among the treatments, plants supplied with T₁recorded maximum plant height (54.37cm) which was statistically similar to T₅(54.28cm) and T₄ (49.04cm). However, the maximum number of leaves was recorded with T₅(6.83) followed by T₁(5.97) and T₄(5.91). Likewise, the highest bulb yield was found in T₅(118.7q/ha) which was statistically similar to T₃(110q/ha) and the lowest yield was obtained with T₄ (87.4q/ha). However, the highest net return and Benefit-Cost Ratio was recorded on T₂($14311.58 ha^-1, 2.91) followed by T₁(13316.51 ha^-1, 2.89) and T₃(13854.241 ha^-1, 1.99), while the lowest net return and Benefit-Cost Ratio was recorded on T₄ ($8883.19, 1.16)_.The maximum uptake of Nitrogen (149.305kg/ha), Phosphorus (40.73 kg/ha) and Potassium (152.3 kg/ha) was found to be on T₅ while the least uptake was recorded in T₃(139.6 kg/ha), T₄(29.19 kg/ha) and T₄(132.5kg/ha). Thus, vermicompost in combination with chemical fertilizers is good source of nutrient for the highest profitability among different combinations of nutrient.

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