Describir: The agricultural systems of the world:

 _____       ___      _____    __   __              ______    ______  
|  __ \\    / _ \\   |__  //   \ \\/ //   ____     /_   _//  /_   _// 
| |  \ ||  | / \ ||    / //     \ ` //   |    \\    -| ||-   `-| |,-  
| |__/ ||  | \_/ ||   / //__     | ||    | [] ||    _| ||_     | ||   
|_____//    \___//   /_____||    |_||    |  __//   /_____//    |_||   
 -----`     `---`    `-----`     `-`'    |_|`-`    `-----`     `-`'   
                                         `-`                          
 _    _   
| || | || 
| || | || 
| \\_/ || 
 \____//  
  `---`