أرسل هذا في رسالة قصيرة: Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1)

 _    _     ______    ____      ______    ______  
| |  | ||  /_   _//  |  _ \\   /_   _//  /_   _// 
| |/\| ||   -| ||-   | |_| ||   -| ||-   `-| |,-  
|  /\  ||   _| ||_   | .  //    _| ||_     | ||   
|_// \_||  /_____//  |_|\_\\   /_____//    |_||   
`-`   `-`  `-----`   `-` --`   `-----`     `-`'