Effect of row spacing and cover crops on weeds and yield of maize (TWC647)

Document Type : Research Paper

Authors

1 Ph.D. Student of Weed Science, Department of Genetic and Plant Production, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran.

2 Professor, Department of Genetic and Plant Production, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran.

3 Assoc. Prof., Dept. of Genetic and Plant Production, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabil, Iran.

4 Research Assistant Professor, Crop and Horticultural Science Research Department, Ardabil Agricultural and Natural Resources Research and Education Center, AREEO, Moghan, Iran.

Abstract

Background and Objective: The aim of this study was conducted to investigate the effect of row spacing and cover crops on weed control and yield and components yield of corn (TWC647).
Materials and Methods: This experiment was carried out factorial based on a randomized complete block design with three replications in the farm of Moghan Agriculture and Natural Resources Research Station in 2021. The treatments consisted of row spacing at two levels (75 and 65 cm), cover crops at five levels (rye, hairy vetch, clover, and no cover crop and Maister power herbicide).
Results: In the condition without cover crop, the highest total biomass of weeds was obtained at the row spacing of 75 cm. Also, the highest biomass of cover crops in the row spacing of 75 cm was obtained from rye cover crop. The number of grain rows per ear, grain yield, biological yield and harvest index were affected by the interaction row spacing ×cover crop; So that the maximum number of grain rows per ear was observed at a row spacing of 75 cm and clover. The highest biological yield of corn was obtained at the row spacing of 65 cm and rye cover crop. highest grain yield (8.05 tons per hectare) was obtained from the row spacing of 65 cm and the rye cover crop treatment and also the highest control percentage of the total biomass of corn weeds (47.47%) was related to the rye cover crop and row spacing of 65 cm.

Keywords

Main Subjects

References

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JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION
Volume 34, Issue 1
April 2024
Pages 157-169

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