أرسل هذا في رسالة قصيرة: The Effects Of Sludge Fertilization, Access Trail, Species, Initial Diameter, Density, Crown And Vigor Classes On Growth Of Individual Oak Trees And Their Relations To Watershed Management

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