Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower

Tamer Canıgeniş; Mehmet Sincik

doi:10.17557/tjfc.1805116

Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower

Abstract

Seed treatments or coatings with micronutrients, beneficial microorganisms, or pesticides, along with the use of slow-release nitrogen fertilizers, have gained prominence in recent years for their ability to increase crop yield per unit area and reduce nitrogen losses from the soil. In this study, we investigated the effects of different nitrogen fertilizer forms and seed treatments on sunflower seed yield and quality in 2022 and 2023. Field experiments were conducted in a randomized complete block design with a split-plot layout and four replications. Four nitrogen fertilizer forms (NFF1: conventional form of ammonium sulfate; NFF2: conventional form of urea; NFF3: slow-release ammonium sulfate; and NFF4: slow-release urea) were applied to the main plots, while five seed treatments (ST0: no treatment (control); ST1: standard seed treatment (Metalaxyl-M + Oxathiapiprolin); ST2: standard seed treatment + micronutrients; ST3: standard seed treatment + potassium humate; and ST4: standard seed treatment + micronutrients + potassium humate) were applied to the sub-plots. Plant height, head diameter, seed yield, thousand-seed weight, crude oil content and crude oil yield were evaluated. The highest seed and crude oil yields were obtained from the NFF3 and NFF4 treatments in combination with the ST3 treatment.

Keywords

References

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Details

Primary Language

English

Subjects

Industrial Crops

Journal Section

Research Article

Authors

Tamer Canıgeniş This is me
0009-0004-3627-3761
Türkiye

Mehmet Sincik ^*
0000-0002-1568-2564
Türkiye

Publication Date

January 30, 2026

Submission Date

October 16, 2025

Acceptance Date

January 23, 2026

Published in Issue

Year 2026 Volume: 31 Number: 1

DOI

https://doi.org/10.17557/tjfc.1805116

IZ

https://izlik.org/JA66LJ98TW

Cite

RIS / Bibtex

APA

Canıgeniş, T., & Sincik, M. (2026). Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower. Turkish Journal Of Field Crops, 31(1). https://doi.org/10.17557/tjfc.1805116

AMA

1.Canıgeniş T, Sincik M. Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower. TJFC. 2026;31(1). doi:10.17557/tjfc.1805116

Chicago

Canıgeniş, Tamer, and Mehmet Sincik. 2026. “Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower”. Turkish Journal Of Field Crops 31 (1). https://doi.org/10.17557/tjfc.1805116.

EndNote

Canıgeniş T, Sincik M (January 1, 2026) Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower. Turkish Journal Of Field Crops 31 1

IEEE

[1]T. Canıgeniş and M. Sincik, “Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower”, TJFC, vol. 31, no. 1, Jan. 2026, doi: 10.17557/tjfc.1805116.

ISNAD

Canıgeniş, Tamer - Sincik, Mehmet. “Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower”. Turkish Journal Of Field Crops 31/1 (January 1, 2026). https://doi.org/10.17557/tjfc.1805116.

JAMA

1.Canıgeniş T, Sincik M. Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower. TJFC. 2026;31. doi:10.17557/tjfc.1805116.

MLA

Canıgeniş, Tamer, and Mehmet Sincik. “Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower”. Turkish Journal Of Field Crops, vol. 31, no. 1, Jan. 2026, doi:10.17557/tjfc.1805116.

Vancouver

1.Tamer Canıgeniş, Mehmet Sincik. Effects of Different Nitrogen Fertilizer Forms and Seed Treatments on Seed Yield and Quality in Sunflower. TJFC. 2026 Jan. 1;31(1). doi:10.17557/tjfc.1805116