Chala, Girma. “Influence of Organic and Inorganic Fertilizer Rates on Food Barley under Balanced Fertilizers on Nitisols of Central Highlands of Ethiopia”. Academy of Agriculture Journal 3, no. 11 (November 27, 2018). Accessed July 22, 2024. https://innovativejournal.in/index.php/aaj/article/view/2354.