Effect of vermicompost and seed size on yield component and yield of cowpea (Vigna unguiculata L.)

Articles in Press

Document Type : Research Paper

Authors

1 Department of Eco-Physiology, Faculty of Agriculture, Tabriz University, Tabriz, Iran.

2 Prof., Dept. of Plant Ecophysiology, Faculty of Agriculture, University of Tabriz, Iran.

3 Master of Crop Physiology, Faculty of Agriculture, Tabriz University, Iran.

10.22034/saps.2025.58359.3110

Abstract

Background & Objective: With the increasing population of the world and the food needs of this population, the quantity and quality of agricultural products, especially legumes, must be increased to provide a significant part of the protein needed by this population.
Materials & Methods: In order to evaluate the effects of vermicompost and seed size on yield and bean seed quality, in 2018 an experiment was performed as a split plot based on a randomized complete block design with three replications in the research farm of the Faculty of Agriculture, University of Tabriz, Tabriz, Iran. vermicompost treatments as the main factor in four levels including 0, 2, 4 and 6 tons per hectare, were assigned to main plots and seed size in three levels: large, mixed and small (100 seeds weight of 18.08, 15.29 and 14.91 g, respectively) were allocated to the sub plots.
Results: Most of the morphological traits such as plant height and number of branches were affected by interaction of seed size and vermicompost. The highest grain yield was obtained from mixed and large seeds with the application of 4 tons per hectare of vermicompost.
Conclusion: The use of 4 tons per hectare of vermicompost and choosing large seeds for planting, to improve the yield of cowpea according to the weather conditions in the region.

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Main Subjects

Journal of Agricultural Science and Sustainable Production

Articles in Press, Accepted Manuscript
Available Online from 22 July 2026

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