El Mahdy, Manal H. <br/><br/>
Effect of natural clay deposits enriched with some nutrients on some sandy soil characteristics and nutrient levels  [electronic resource]. 
 تأثير رواسب الطين الغنية ببعض المغذيات على خواص الأراضى الرملية ومستوى العناصر بها. 

 - P. 11-22. 
<br/><br/>Includes references. 
<br/><br/> Sandy soils are amongst the most extensive soil in the new reclaimed lands of Egypt. Zeolite and bentonite minerals are naturally present in different geologic environment and bentonite was reported to be extensively found in sedimentary environment in Egypt. This study aims to evaluate the role of zeolite and bentonite minerals as amendments and characterize that ability for improving the status of micronutrients in sandy soil. Results showed that saturation of zeolite and bentonite with Zn, Fe, and Mn increased dramatically the available level extracted by DTPA. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Quality.<br/>Soils--Iron content.<br/>Soils--Manganese content.<br/>Soils--Zinc content.<br/>Soils and nutrition.<br/>Soils--Composition.<br/>Soils--Heavy metal content.<br/>Reclamation of land.<br/>Soil mineralogy.<br/>Zeolites.<br/>Bentonite.<br/>Sandy soils.<br/>Clay soils.<br/>Soil properties.<br/>Soil resources.