基于生长度日的紫花苜蓿生育期预测模型
徐博1, 王英哲2, 徐安凯3, 孙启忠2

Study of simulation model of alfalfa plants development based on growing degree days
Xu Bo1, Wang Ying-zhe2, Xu An-kai3, Sun Qi-zhong2
紫花苜蓿各生育期的GDD