Production of organic Liquid Fertilizer from Agricultural Waste and their Evaluation on Growth parameters of Cowpea (vigna unguiculara (Walp.)
Adullahi, R.
Department of Soil Science, Faculty of Agriculture, University of Maiduguri.
Costs and profit analysis for owning and operating of some farm machinery in the Gezira scheme, Sudan
Shaker Babiker Ahmed
Department of Agricultural Engineering, Faculty of Agriculture, University of Khartoum, Sudan