Yousef, Wael Mostafa Aref Mohamed  <br/><br/>
Effect of weed competition and its chemical control methods on the productivity and quality of maize (Zea mays L.)  [electronic resource] / 
 تأثير منافسة الحشائش ومكافحاتها بالطرق الكيميائية علي الانتاجية والجودة في الذرة الشامية 
Wael Mostafa Aref Mohamed Yousef 
 -  2017. 
<br/><br/>Thesis (Ph.D.) -- Assuit University, 2017. 
<br/><br/>Includes bibliographical references (Leaves 154-167)<br/> 
<br/><br/><br/>Systems requirements : Adobe Reader 
<br/><br/><br/>Summary in Arabic 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn--Quality<br/>Corn--Weed control