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)

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