Text this: Interactive effects of NH<inf>4</inf><sup>+</sup>concentration and O<inf>2</inf>availability on growth, morphology, and mineral allocation of hybrid Napier grass (Pennisetum purpureum × P. americanum cv. Pakchong1)

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