شماره 4 تاریخ انتشار 2013-09-01

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• Farmer’s seed sources and seed quality: 2. seed health
• Marigold (Calendula officinalis) yield as affected by lamb's-quarters (Chenopodium album) competition
• Assessment of glyphosate-resistant horseweed (Conyza canadensis L. Cronq.) and fleabane (Conyza albida Willd. ex Spreng) populations from perennial crops in Greece
• Nutrient uptake of peanut genotypes under different water regimes
• Influence of drought stress on nutritive value of perennial forage legumes
• SSM-Wheat: a simulation model for wheat development,growth and yield
• Relationship of base temperature to development of winter wheat
• Efficient test sites for multi-environment evaluation of sugarcane genotypes in Thailand