Author(s):

Vaishali Surve, Narendra Singh, Swapnil Deshmukh, Patel TU and Patel DD

Abstract: A field experiment was conducted during 2016-17, 2017-18 and 2018-19 to study the Effect of N & P management with and without bio organics on growth and yield parameters of kharif sorghum under South Gujarat conditions. There were fifteen treatments comprising of three fertilizer levels of N & P [60+30kg/ha (F₁), 80+40 kg/ha (F₂) and 100+50 kg/ha (F₃)] along with five bio organics levels [Control (B₁), Azospirillium @ 3l/ha (B₂), AM @ 250 g/ha(B₃), Azospirillium & AM(B₄) and NAUROJI Novel organic liquid fertilizer (1%) at 45 and 60 DAS (B₅). The experiment was laid out in factorial RBD with three replications. The type of soil was medium black and no sever pest and disease incidence were observed on sorghum during the experiment. The plant height (187.00 cm) was recorded significantly higher under the treatment having application of F₃ (100+50 NP kg/ha) and also significantly higher under the treatment having application of B₄ (Azospirillium & AM). Interaction effect FxB was found significant during all the individual years as well as in pooled data. F₃B₂ interaction recorded significantly higher plant height (192.29 cm) in pooled data which was found statistically at par with F₃B₅ and F₁B₄. The length of ear head was found significantly higher (21.53 cm) with the treatment F₃ (100+50 NP kg/ha) which was found statistically at par with F₂ (80+40 NP kg/ha) in pooled data.

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