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)

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