Rizk, M. A. <br/><br/>
Comparative studies between natural and chemical fertilizers under intensive culture for some fild crops  [electronic resource]. 
 دراسات مقارنة بين الزراعة بالمخصبات الطبيعية والكيماوية تحت ظروف التكثيف الزراعى لبعض المحاصيل الزراعية. 

 - p.109-123. 
<br/><br/>Includes reference. 
<br/><br/> It can be concluded that intercropping of cotton with wheat using the following system, at beed width of 90 cm. with 4 wheat rows and cotton was sown on both Sids of this beed and fertilizing with bio, organic and chemical fertilizers at 33% of their field recommended rates would improve the total net income per feddan as compared to the purestand of both control wheat and cotton. 
<br/><br/><br/>Summary in arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intercropping.<br/>Cotton--Fertilizers.<br/>Wheat--Fertilizers.<br/>Organic fertilizers.