A Comprehensive Study on the Effects of Organic Fertilizers on Growth and Yield of Broad Leaf Mustard (Brassica juncea var. rugosa) cv. Manakamana Rayo

Marasini, Kapil Prasad; Joshi, Jyotish; Yogi, Bipana; Chhetri, Desire Rana; Ghimire, Aarati; Shrestha, Gopal Prasad

A Comprehensive Study on the Effects of Organic Fertilizers on Growth and Yield of Broad Leaf Mustard (Brassica juncea var. rugosa) cv. Manakamana Rayo

2024

Broad Leaf Mustard (BLM) is one of the extensively cultivated vegetable crops in Nepal. In our study, we conducted a thorough analysis to explore how organic fertilizers impact the growth and yield of Broad Leaf Mustard (Brassica juncea var. rugosa) cv. Manakamana Rayo in Tarakeshwor Municipality, Nepal. To carry out this investigation, we employed a Randomized Complete Block Design, incorporating seven distinct treatments, labeled as T1 (FYM), T2 (Poultry Manure), T3 (Compost), T4 (Vermicompost), T5 (Black Wonder), T6 (Black Wonder Double), and T7 (Control), each replicated three times. Each treatment plot, measuring 1.2 m2, accommodated 60 plants. The application of organic fertilizers was done during the initial phase of field preparation. Our results highlighted the effectiveness of Vermicompost applied at a rate of 20 tons per hectare. This treatment produced the tallest plants (34.83 cm), longest leaves (32.37 cm), widest leaves (17.73 cm), and increased yields, specifically 61.1g/plant and 2.10 kg per plot. Furthermore, Farm-Yard Manure (FYM) at 28.4 tons per hectare and Black Wonder at 0.96 tons per hectare resulted in the maximum number of leaves (11.67). These findings offer practical insights for farmers and researchers keen on optimizing Broad Leaf Mustard cultivation through the judicious use of organic fertilizers.

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