TY - BOOK AU - Helmy,Samar Abd El-Aty Mohamed TI - Effect of mineral and biological potassium under different rates of nitrogen fertilization on productivity and technological characteristics of sweet sorghum (sorghum bicolor l. moench) treacle in Egypt and Ethiopia KW - Sorgo KW - Fertilizers KW - Egypt KW - Effect of potassium KW - mineral fertilizers KW - Nitrogen fertilizers N1 - Thesis (Ph. D.) -- Cairo University , 2014; Includes bibliographical references (leaves 102-114) UR - http://nile.enal.sci.eg/thesis/3515.pdf ER -