In order to utilize its superior characteristics,Lathyrus sylvestris seeds were introdued into China fromthe United States in 1993,and had been grown for two years in Beijing. 為了利用林生山黧豆的優良特性，從美國引進這種林牧草的種子，在北京選點進行了兩年多的栽培試驗。
Through changing rotating speed, the germination rate of forage grass seeds that were treated in the hard seed treatment hit-machine could be increased significantly. 通過改變碰撞機葉輪轉速，可以獲得具有合適擦傷度的牧草種子，滿足提高種子滲透性和發芽率的要求。
