Scientifik basis of crop  rotation:   пособие/ 
В.М. Khalikov 
 - Ташкент:  Novateure Publications,  2021 
 - 215с. 
<br/><br/> In this book the history of the agroicultural system  
<br/><br/><label>ISBN: </label> сум65300 
<br/><br/><label>Subjects--Index Terms: </label>cotton grain vegetables 
<br/><br/><label>Universal Decimal Class. No.: </label>631.4