Author(s):

Amit Kumar Singh, Dharmender Singh, NK Tiwari, Diwaker Singh and Lal Vijay Singh

Abstract: The experiment was conducted during winter season of during 2016-17 and 2017-18 at the Horticulture farm of Udai Pratap, Autonomous College, Varanasi (U.P.), is situated in the South eastern part of Varanasi city was carried out during winter season. The experimental material used for the “Effect of NPK, Vermicompost and Spacing on Growth, Yield and Quality of Broccoli (Brassica oleracea L. var. italica)” The materials used, experimental procedures followed and techniques of experimentation were planted at a spacing of 45cm x 45cm and 45cm x 60cm per plot under open conditions. The experiment was laid out in RBD comprising of Sixteen treatments with three replication study F₃ (180:80:80 NPK kg ha^-1) and minimum in F₁ (140:40:40 NPK kg ha^‑1) and at 45 and 60 DAP the minimum plant height was recorded with F₄ (200:100:100 kg ha^‑1) and minimum with F₁ (200:100:100 kg ha^‑1) and minimum with F₁ (140:40:40 NPK kg ha^‑1) during both the years of study. In case of spacing S₁ (45 x 45 cm) recorded maximum and minimum in S₂ (45 x 60 cm) at all the stages during both the years of experimentation. (T₁)- 140:40:40 NPK kg/ha + 45x45cm. Spacing + 20kgVermicompost/ha, (T₂)-140:40:40 NPK kg/ha + 45x45cm. Spacing + 10 kg PSB/ha, (T₃) -140:40:40 NPK kg/ha + 45x60cm. Spacing + 20 kg Vermicompost /ha (T₄)-140:40:40 NPK kg/ha + 45x60cm. Spacing + 10kgPSB/ha (T₅)-160:60:60 NPK kg/ha + 45x45cm. Spacing + 20kgVermicompost/ha, (T₆)-160:60:60 NPK kg/ha + 45x45cm. Spacing +10kg PSB/ha, (T₇)-160:60:60 NPK kg/ha + 45x60cm. Spacing + 20kgVermicompost/ha, (T₈) - 160:60:60 NPK kg/ha + 45x60cm. Spacing + 10kg PSB/ha (T₉) - 180:80:80 NPK kg/ha + 45x45cm. Spacing + 20 kg Vermicompost /ha (T₁₀) - V₁80:80:80 NPK kg/ha + 45x45cm. Spacing + 10kg PSB/ha (T₁₁) - 180:80:80 NPK kg/ha + 45x60cm. Spacing +20kgVermicompost/ha (T₁₂) - 180:80:80 NPK kg/ha + 45x60cm. Spacing + 10kg PSB/ha (T₁₃) - 200:100:100 NPK kg/ha + 45x45cm. Spacing + 20kgVermicompost/ha (T₁₄) - 200:100:100 NPK kg/ha + 45x45cm spacing + 10kg PSB/ha (T₁₅) - 200:100:100 NPK kg/ha + 45x60cm. Spacing + 20kg Vermicopost/ha (T₁₆) - 200:100:100 NPK kg /ha + 45x60cm spacing + 10 kg PSB/ha. The highest yield q ha^‑1 was recorded in treatment F₄ (200:100:100 NPK kg ha^‑1), while minimum in F₁ (140:40:40 NPK kg ha^‑1). The biofertilizer such as PSB (B_­2) @ 10 kg/ha which act positively with the above nitrogen dose which enhance significantly yield, weight of head, diameter of head, fresh weight of leaves and Vitamin C content in broccoli, non-significant but high performance of Vermicompost (B₁) @ 10 kg ha^‑1 was seen in important quality characters such as protein content and Vitamin C. The application of 180:80:80 NPK kg ha^‑1 + 45 x 45 cm. spacing + Phosphorus sulublizing bacteria @ 10 kg ha^‑1 in broccoli may be recommended in order to secure higher growth, yield and quality traits of broccoli.

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