Document Type : Original Article
Authors
Department of Field Crops and Medicinal Plants, College of Agricultural Engineering Sciences, Salahaddin Universit , Erbil,Iraq
Abstract
In two stages (30–45 DAS and 45–60 DAS), the study assessed the growth of cowpeas and sunflowers in Qushtappa and Ankawa under various intercropping ratios (4SF:1CP, 4SF:2CP, 4SF:3CP, and 4SF:4CP) and cover types (exposed or mulched). The results indicated that locations, cover types, and intercropping ratios had a substantial impact. With more main stem nodes and faster rates of leaf growth, mulched plots fared better overall, particularly in later growth stages. Early growth stages were dominated by exposed plots, however later growth stages saw higher yields from mulched plots. Different cover types and intercropping ratios resulted in different cowpea leaf growth rates and seed yields. Although sunflower seed weight increased in all scenarios, mulched plots frequently had better seed yields and counts per head, especially in higher cowpea fractions. In general, location, ratio of intercropping, and early growth stages were dominated by exposed plots, however later growth stages saw higher yields from mulched plots. Different cover types and intercropping ratios resulted in different cowpea leaf growth rates and seed yields. Although sunflower seed weight increased in all scenarios, mulched plots frequently had better seed yields and counts per head, especially in higher cowpea fractions. All things considered, growth and yield results were highly impacted by location, intercropping ratio, and cover type.
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