Gendy, Ezzat Nagib. <br/><br/>
Studies on fertilizer requirements of some field crops under the environmental conditions of Egypt   [microform] / 
Ezzat Nagib Gendy. 
 -  1986. 
 - 209, 4 Leaves :ill. ;30 cm. 
<br/><br/>Thesis (Ph.D.)--Zagazig University,1986. 
<br/><br/>Includes bibliographical references (leaves 179-209) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>4  microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soybean--Fertilizers.<br/>Leaves--Effect of trace elements on