Claim · model-written summary
The authors recommend integrating 25 kg ZnSo4 ha-1 with 25% nitrogen substitution through nano urea to enhance maize productivity.
- Treatment
- 25 kg ZnSo4 ha-1 and 25% substitution of nitrogen through nano urea @ 4 ml/l at knee height and tasseling stagee0
- Outcome
- maize productivitye0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“integration of 25 kg ZnSo4 ha-1 and 25% substitution of nitrogen through nano urea @ 4 ml/l at knee height and tasseling stage can enhance maize productivity”
Title
Akramul Hoque; Partha Sarathi Patra; Arju Sahid Ahmed; et al. International Journal of Research in Agronomy 2025. doi:10.33545/2618060x.2025.v8.i7s.3401
Other claims from this paper (12)
- Intervention effect Maize receiving N4 (75% RDN through urea + nano urea) was tallest, 109.32, 190.82 and 227.84 cm at 60 DAS, 901 DAS and harvest.
- Intervention effect N4 gave the maximum number of leaves per plant: 11.07, 13.73 and 11.45 at 60 DAS, 901 DAS and harvest.
- Intervention effect N4 gave higher cob diameter, 16.67 cm.
- Intervention effect N4 gave the maximum number of kernels per cob, 549.10.
- Intervention effect N4 gave a kernel yield per cob of 176.25 g.
- Intervention effect N4 gave higher nitrogen uptake, 254.30 and 287.35 kg ha-1 in 2023-24 and 2024-25.
- Intervention effect N4 gave higher zinc uptake, 898.29 and 883.51 g ha-1 in 2023-24 and 2024-25.
- Intervention effect N4 gave a 3.97% yield advantage over 100% RDN through urea (N1).
- Intervention effect N4 gave an 86.31% yield advantage over the nitrogen-free control (N0).
- Intervention effect Soil application of ZnSo4 @ 25 kg ha-1 (Z1) significantly improved plant height, chlorophyll content and cob diameter in maize.
- Intervention effect Soil application of ZnSo4 @ 25 kg ha-1 (Z1) significantly improved kernel number and kernel yield per cob in maize.
- Intervention effect Z1 (soil ZnSo4 @ 25 kg ha-1) gave the highest grain yield, 8.85 t ha-1, followed by nano zinc at 150 ppm (Z3) and 100 ppm (Z2).