Sherifa Hassan Rashad <br/><br/>
Effect of some agricultural practices on the growth , yield and activie ingredients of echinacea plants echinacea purpurea /  
 تاثير بعض المعاملات الزراعية على النمو والمحصول والمكونات الفعالة لنبات الاخنسيا 
Sherifa Hassan Rashad ; Supervised Elsaady Mohamed Badawy , Salwa S.Sakr , Hazem A.Mansour 
 - Cairo :   Sherifa Hassan Rashad ,   1999 
 - 109Leaves :   ill. ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Ornamental Horticulture 
<br/><br/><label>Subjects--Index Terms: </label>Activie ingredients Agricultural practices Echinacea plants