Nassr, Magdy Mohamed Ibrahim. <br/><br/>
Different sources of organic wastes processing and its effect on some soil properties and on the productivity of wheat and maize crops  [computer file]/ 
 معالجة مخلفات عضوية مختلفة المصدر ودراسة تأثيرها على بعض صفات التربة وإنتاجية محصول القمح والذرة. 
Magdy Mohamed Ibrahim Nassr. 
 -  2007 
 - Computer  laser  optical disk; c4 3/4 in. 
<br/><br/>Thesis (Ph.D.) --Tanta  University,2007. 
<br/><br/>Includes bibliographical references (leaves182-211) . 
<br/><br/><br/>Systems requirements: Adobe Reader. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wheat--Yields.<br/>Corn--Yields.<br/>Organic wastes as fertilizer.<br/>Soil properties.