Effect of Spacing and Nitrogen Level on Growth and Yield of Cauliflower (Brassica oleracea var. botrytis) in Inner Terai of Nepal
DOI:
https://doi.org/10.24925/turjaf.v14i5.1322-1327.8476Keywords:
cauliflower, growth, nitrogen, spacing, yieldAbstract
Cauliflower (Brassica oleracea var. botrytis) is a cool season crop highly valued for its white edible curd. The experiment was carried out to determine the optimal spacing and nitrogen level for improving growth and yield of cauliflower. The experiment was carried out in farmer field at Majhgaon, Lamahi-3 from November 2022 to February 2023. The experiment carried out in two-factor RCBD including: different spacing and nitrogen level S1 (45× 45 cm2), S2 (60×45cm2) and N1(150 kg/ha), N2 (200kg/ha), N3 (250kg/ha), N4 (300kg/ha) respectively and replicated three times. Mid-season hybrid variety (Devi-2) was used in this study. The result revealed spacing and nitrogen had highly significant effect on growth and yield of cauliflower. The highest plant height (34.5cm at 45 DAT;34.1 cm at 45 DAT), canopy diameter (65.9cm at 60 DAT; 62.4 cm) and number of leaves per plant (17 at 60 DAT) was observed in N4 and S2 respectively. All the yield attributes like curd diameter (15cm), curd weight with foliage (1.8kg), fresh weight (1kg) and dry weight (0.17kg) were found maximum in S2 and N4. Results demonstrated that S2 60×45cm2 and N4 300kg/ha found to be best in most growth and yield characteristics in cauliflower variety Devi- 2 but the maximum yield plot-1 and ha-1 was recorded in S1 45×45cm2 (49.3tonha-1) and N4 300kg/ha (49.1tonha-1).
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