Working Document Series Open Access Comparative study on organic fertilizer (Elkhaseeb) and inorganic fertilizers effects on tomato (Solanum lycopersicum Mill.) and cucumber (Cucumis sativus L.) growth, yield and nutrient content under greenhouse conditions M. A. Eltayeb · M.M. Lubna · E.M. Rania Organic fertilizers are derived mainly from animal matter, human excreta or crop residues, while chemical fertilizers are defined as any inorganic material of wholly or partially synthetic origin, that is added to the soil to sustain plant… RUF-39350 2018 CC BY 4.0 28 Jul 2021
