發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : The long term effects of sludge fertilization and access trail on stand diameter growth of oak and their relations to soil conservation strategy