Abstract
Abstract Soybean is one of the most important leguminous crops that contributes to human alimentation and animal feed. Soybean grain with its high protein and valuable lipid content is an essential component for the food and feed industries worldwide. Apart from the genetically determined quality characteristics of a certain variety, management practices may have an influence on the manifestation of quality parameters. At the Department of Agronomy, Hungarian University of Agriculture and Life Sciences, agronomic impacts on grain yield, protein and lipid content of soybean crop has been studied in a replicated field trial. Nitrogen (N) application and various means of weed control were studied, and grain yields were evaluated in accordance with the treatments. The results obtained suggest, that N topdressing has positive but no significant effect on grain yield, however, the means of weed control resulted in an almost twofold yield improvement compared to the control. The treatments had diverse effects regarding both protein and lipid contents of the crop yield, however, significant protein and lipid yield improvement of the crop could be observed.
Highlights
The results obtained suggest, that N topdressing has positive but no significant effect on grain yield, the means of weed control resulted in an almost twofold yield improvement compared to the control
A study conducted by Wood et al (1993) in Alabama found that the response of soybean yield to N nutrition depends on the location of cultivation, the variety used, and the time of application
Agronomic impacts on grain yield, protein and lipid contents of ES Gladiator soybean variety have been studied in a replicated field trial at the G€od€oll}o experimental field, Hungary
Summary
Merr) is the most important legume grown worldwide for food production and animal feeds due to its high nutritional values (Sanginga et al, 2002). Protein and lipid are two of the most important nutritional compositions in soybean (Gerde and White, 2008). Protein and lipid together constitute about 60% of dry soybeans that comprise 40% of protein and 20% of lipid (Maleki et al, 2013). Yield and nutritional composition of soybean rely on environmental conditions, type of variety used, and agronomic practices including nutrient and weeds management. Improper nutrient and weeds management can cause a reduction in yield and nutritional composition as well as grain quality
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