Rizk, Adel Rizk Ahmed. <br/><br/>
Study of some fertility problems in some middle Delta soils   effect of soil salinity and mineral fertilizers on some growth parameters and yield of cotton plant /  [microform] : 
 دراسة بعض مشاكل الخصوبة في بعض أراضي وسط الدلتا تأثير الملوحة والتسميد المعدني علي بعض خواص النمو والمحصول لنبات القطن. 
by Adel Rizk Ahmed Rizk. 
 -  1978. 
 - 78, 3 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Tanta University, 1978. 
<br/><br/>Includes bibliographical references (leaves 63-78). 
<br/><br/><br/>Microfiche. <br/>ASUNET : <br/>Ain Shams University. <br/>2 Microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cotton--Fertilizers--Egypt.<br/>Leaves--Effect of salt on<br/>Cotton--Growth.<br/>Cotton--Yields.