Effect of Nitrogen Fertilizer and Farmyard Manure on Growth and Yield of Lettuce (Lactuca sativa L.)

Yebirzaf Yeshiwas, Bezawit Yikeber Belayneh Zewdie, Ayehu Chekol and Alachew Walle

International Journal of Agricultural Research 13 ( 2 ): 74 - 79 , 2018