Effect of Tillage Implements and Weed Management Techniques On Nutritive Values of Wheat Grains | Auswirkung von Bodenbearbeitung und Unkrautbekämpfungsmethoden auf den Nährstoffgehalt von Weizenkörnern
2022
Khan Dawar, Abdul Majid | Khan, Imtiaz | Hussain, Zahid | K̲h̲ān, Muḥammad Ishfāq
Field experiments were conducted on wheat during 2017–2018 and 2018–2019 under rainfed conditions. The statistical significance between treatment means was determined at 5% significance level. Data were recorded on weed density, protein, fat and ash contents of wheat grains. Weed density in shallow tillage was highest (20.67 m⁻²) while it was lowest (14.23 m⁻²) in deep tillage. In weed control factor, weed density was highest in weedy check (33.10 m⁻²), followed by parthenium aqueous extract (21.50 m⁻²), and lowest (6.79 m⁻²) in plots treated with Affinity (isoproturon + carfentrazone). Results showed that the highest crude protein content (10.88%) was recorded in deep tillage, while lowest (10.45%) in shallow tillage, indicating that tillage depths have an impact on wheat grains protein content. For weed control factor, the crude protein content was highest (11.98%) in Affinity treated plots, followed by herbicides, Buctril super (bromoxynil + MCPA) (11.44%) and Puma super (fenoxaprop-p-ethyl) (11.12%). Hence, the control measures also affected crude protein content of wheat grains, which is also obvious from the weedy check where wheat grains crude protein content was lowest (9.73%). The two years combined data analysis also showed the highest crude fat content (1.75%) in deep tillage treatments followed by normal tillage (1.67%) and lowest fat content (1.53%) in shallow tillage. For ash content, the highest content (3.03%) was with Affinity herbicide treatments, followed by Buctril super (2.74%) and Puma super (2.48%) herbicides. In conclusion, both the tillage and herbicides indicated positive effects on the nutritive status of wheat grains.
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