Impact of NPK, Plant Residue, Soil Type, and Temperature on the Half-Life of Atrazine Herbicide

Elgaber, Alshfa Kh. A. and Yasin, Emad Hassan Elawad and Mustafa, Mohammed Omer and Zubairu, Abdulrahman Maina and Czimber, Kornél and Osman, Awad G. and Elsheikh, Elsiddig A. E. (2025) Impact of NPK, Plant Residue, Soil Type, and Temperature on the Half-Life of Atrazine Herbicide. NITROGEN, 6 (3). ISSN 2504-3129

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Abstract

Laboratory experiments were conducted to investigate the effects of NPK fertilizer, soil type (silty clay and sandy loam) with no history of pesticide application, temperature (28 and 40 °C), and maize residue on the half-life of atrazine herbicide. NPK fertilizer was applied at 375 mg N, 187.5 mg P, and 187.5 mg K per 600 g soil, while maize straw was added at a rate of 12 g per 600 g soil. Atrazine was applied at four concentrations: 0.0678, 1.69, 3.39, and 5.08 mg g−1 soil. The residual concentration of atrazine was measured using gas chromatography over a 150-day period. The results showed that atrazine degradation was highest in Algeraif soil at 40 °C (87%), followed by Algeraif soil at 28 °C (68%) and Gerif soil at 28 °C (54.2%). The addition of NPK and maize straw significantly enhanced atrazine degradation, with degradation reaching 97% at a concentration of 0.0678 mg g−1 soil after 150 days. The lowest half-lives, compared to the control, were 125, 39, 25, 19, and 14 days in Gerif soil (28 °C), Algeraif soil (28 °C), Algeraif soil (40 °C), NPK, and maize straw, respectively, at an atrazine concentration of 5.08 mg g−1 soil. In conclusion, the addition of NPK fertilizer and maize straw significantly enhanced atrazine degradation, reducing both its concentration and half-life in soil.

Tudományterület / tudományág

engineering and technology > agricultural engineering
natural sciences > environmental science

Faculty

Not relevant

Institution

Soproni Egyetem

Item Type:	Article
SWORD Depositor:	Teszt Sword
Depositing User:	Csaba Horváth
Identification Number:	MTMT:36365369
Date Deposited:	10 Oct 2025 07:05
Last Modified:	10 Oct 2025 07:05
URI:	http://publicatio.uni-sopron.hu/id/eprint/3753

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