Effect of nitrogen and phosphorus fertilizer rates on growth and yield of hybrid onion (Allium cepa L.) in semi-arid Northern Ethiopia
Onion (Allium cepa L.) is an important crop with high nutritional and medicinal value and provides income for smallholder and large-scale farmers. Utilizing blanket fertilizer recommendations for open-pollinated onion varieties often results in suboptimal productivity. Therefore, it is crucial to optimize fertilizer re...