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Crop Yield and Physicochemical Properties of Wheat Grains as Affected by Tillage Systems

1
Department of Biosystems Engineering, Lorestan University, KhorramAbad 6815144316, Iran
2
Department of Seed and Plant Improvement Research, Lorestan Jihad Agricultural Organization, KhorramAbad 6816914116, Iran
*
Author to whom correspondence should be addressed.
Academic Editor: Adriano Sofo
Sustainability 2021, 13(9), 4781; https://0-doi-org.brum.beds.ac.uk/10.3390/su13094781
Received: 19 March 2021 / Revised: 21 April 2021 / Accepted: 21 April 2021 / Published: 24 April 2021
In this study, we aimed to determine the effects of tillage systems (TS) on wheat grain yield, yield components, and physicochemical properties under rain-fed conditions over 2 years (2018–2019) in the Kuhdasht region in southwestern Iran. The tillage treatments were a combination of conventional tillage (CT), reduced tillage (RT), and no tillage (NT) systems based on randomized complete blocks with three replications. Wheat grain yields and yield components, physical properties (geometrical dimensions, sphericity, thousand-grain mass (TGM), water absorption (WA), volume (V), and density), chemical composition (protein content (PC), water content (WC), fiber content (FC), ash content (AC)), surface color parameters (L*, a*, and b*), and correlations among measured parameters were assessed. The results showed that wheat grain yield and yield components were significantly affected by TS (p < 0.01). The wheat grain yield was higher under CT (2.72 t ha−1), with a significant difference between RT (1.76 t ha−1) and NT (1.20 t ha−1). The highest TGM (49.19 g) was achieved under CT, followed by RT (43.41 g), with the lowest (39.17 g) in the NT system. TS had significant effects on certain physical properties of wheat grains (p < 0.01). Wheat grain, size, shape, and mass values were higher under CT than RT and NT systems in all experimental years. CT resulted in the highest WA, while the lowest resulted from NT. TS had no significant influence on the density of the grains. TS had significant effects on PC, AC, and WC values of grains at the 1% probability level and on FC at the 5% level. Higher PC values were obtained under the CT system (13.07%, against 11.90% and 10.67% for RT and NT, respectively) in all growing seasons. Additionally, the AC was significantly lower in the sample grains under RT (2.38%) and NT (2.43%) than in those from CT (2.56). The FC was higher under NT (15.73%) than RT (13.73) and CT (13.71%). The grain WC was significantly higher under NT (7.57%) than RT (6.79%) and CT (7.0%). The TS significantly affected the surface color parameters of grains, while the L* (lightness) and b* (yellowness) values of grains under CT were higher than in RT and NT. View Full-Text
Keywords: soil tillage; wheat grain; physical properties; chemical compositions; surface color parameters soil tillage; wheat grain; physical properties; chemical compositions; surface color parameters
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MDPI and ACS Style

Yousefian, M.; Shahbazi, F.; Hamidian, K. Crop Yield and Physicochemical Properties of Wheat Grains as Affected by Tillage Systems. Sustainability 2021, 13, 4781. https://0-doi-org.brum.beds.ac.uk/10.3390/su13094781

AMA Style

Yousefian M, Shahbazi F, Hamidian K. Crop Yield and Physicochemical Properties of Wheat Grains as Affected by Tillage Systems. Sustainability. 2021; 13(9):4781. https://0-doi-org.brum.beds.ac.uk/10.3390/su13094781

Chicago/Turabian Style

Yousefian, Majid, Feizollah Shahbazi, and Kianoosh Hamidian. 2021. "Crop Yield and Physicochemical Properties of Wheat Grains as Affected by Tillage Systems" Sustainability 13, no. 9: 4781. https://0-doi-org.brum.beds.ac.uk/10.3390/su13094781

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