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Impact of agricultural technologies and mineral nutrition on growth, yield, and quality of spring wheat (Triticum aestivum L.)

Citation :- Impact of agricultural technologies and mineral nutrition on growth, yield, and quality of spring wheat (Triticum aestivum L.). Res. Crop. 27: 222-232
OXANA KRADETSKAYA, EVGENIY MAMYKIN, SVETLANA DASHKEVICH, MARAL UTEBAYEV, IRINA CHILIMOVA, YURI DOLINNY AND YERLAN UTELBAYEV o.kradetskaya@mymail.academy
Address : A.I. Barayev Research and Production Centre for Grain Farming, 15 Baraev str., village of Nauchny, Shortandinsky district, Akmola region, Republic of Kazakhstan
Submitted Date : 29-03-2026
Accepted Date : 5-05-2026

Abstract

Common wheat yield and grain quality in North Kazakhstan are highly unstable due to climatic variability, moisture stress, and inconsistent cultivation and fertilisation practices. However, the combined influence of agricultural technologies and balanced mineral nutrition on chlorophyll dynamics, productivity, and grain quality remains inadequately understood, necessitating systematic investigation. Therefore, this study investigates the impact of the accumulation of chlorophyll a (Chla) and b (Chlb) and carotenoids in the green mass of common wheat on yields and quality indicators (protein and gluten content, gluten quality, grain unit, and the weight of 1,000 grains) depending on fertilizer application and cultivation technology in the conditions of North Kazakhstan. Methods: Field experiments were conducted at the experimental sites of the Scientific and Production Center of Grain Farming named after A. I. Barayev, LLP. The study tested the influence of different variants of nitrogen-phosphorus fertilizers and tillage technologies (traditional and no-till) as part of grain-fallow and alternating crop rotations. The results showed that cultivation technology, crop rotation, and mineral fertilization significantly affected chlorophyll accumulation, grain yield, and quality of spring wheat in North Kazakhstan. The highest grain yield, 36.3 cnt/ha compared with the experimental average of 32.7 cnt/ha, was obtained under traditional cultivation with alternating crop rotation. However, no-till provided higher and more stable chlorophyll accumulation, lower pigment losses at later growth stages, and a more consistent response to nitrogen-phosphorus fertilization. The highest average chlorophyll content, 1.755 mg/g, was recorded in the no-till grain-fallow rotation with P20 af. + N aa in diagnostic rows. Therefore, no-till, particularly in combination with balanced nitrogen-phosphorus nutrition, can be recommended as an effective technology for improving the physiological status and grain quality of spring wheat under the conditions of North Kazakhstan.

Keywords

Carotenoids wheat fertiliser gluten protein

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