The field experiment was carried out during the summer season in two successive years of 2022 and 2023 at the Farm, Krishi Vidnyan Kendra, Gandheli, Chhatrapati Sambhajinagar, Maharashtra. The experiment was laid out in Split Plot Design along with two factors
viz., three nano urea spray (60 Kg N Basal + 30 Kg N 30 DAS + 30 Kg N 45 DAS (Soil applied), 60 Kg N Basal + 30 Kg N 30 DAS (Soil applied) + (4 ml/L) spray of Nano Urea 45 DAS, 60 Kg N Basal + (4 ml/L) spray of Nano Urea 30 DAS + (4 ml/L) spray of Nano Urea 45 DAS) as main plot and (1.5 Kg soil applied Hydrogel, 2.5 Kg soil applied Hydrogel, 3.5 Kg soil applied Hydrogel, 4.5 Kg soil applied Hydrogel) as sub-plot factor treatment along with one control treatment and their combination of 15 treatments replicated thrice. Treatments were randomly arranged in each replication, divided into forty-five plots. Results revealed that the productivity and economics and energy studies of maize was influenced by nano urea spray and hydrogel application. On pooled analysis of both the year experiment, it was clearly evaluated that among application of
60 Kg N Basal + (4 ml/L) spray of Nano Urea 30 DAS + (4 ml/L) spray of Nano Urea 45 DAS produced higher economics
viz., GMR, NMR, and B: C ratio and lower the cost of cultivation as compared the rest of treatments. Further in case of hydrogel application of
4.5 Kg soil applied Hydrogel (H5) produced higher growth and yield attributes. Therefore, the
60 Kg N Basal + (4 ml/L) spray of Nano Urea 30 DAS + (4 ml/L) spray of Nano Urea 45 DAS with foliar application of application of
4.5 Kg soil applied Hydrogel may be adopted by corn growers to harness the maize production and profitability under the ecological parameters of Maharashtra.
