Hegab, Mohamed Yehia. <br/><br/>
Effect of urea, some micronutrients and growth regulators on the yoield, fruit quality and some vegetative characters of Washington navel orange trees  [microform] / 
 تأثير الرش باليوريا وبعض العناصر الصغرى ومنظمات النمو على المحصول وجودة الثمار وبعض الصفات الخضرية لأشجار البرتقال أبو سرة.‪‪‪‪‪‪‪‪‪ 
Mohamed Yehia  Hegab. 
 -  1994. 
 - 223, 10 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.) -- Minia Univesity, 1994. 
<br/><br/>Includes bibliographical references (leaves 204-223 ) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>4 microfiche : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leaves--Effect of trace elements on<br/>Micronutrient fertilizers.<br/>Leaves--Nutrition.<br/>Plant regulators.<br/>Oranges.