發送短信 : Site of nitrogen accumulation in tulip (Tulipa gesneriana L.) roots during winter

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