McCartney D, Fraser J, Ohama A.Potential of warm-season annual forages and Brassica crops for grazing: A Canadian Review[J].Can J Anim Sci, 2009, 89: 431 - 440.
[2]
Boshong D L, Peeper T F.Potential for using no-till to increase forage and grain yields of winter wheat[J].26 thSouthern Conservation Tillage Conference, 2004, 188 -192.
[3]
Saseendran S A, Nielsen D C, Lyon D J, et al.Modelingresponses of dryland spring triticale, proso millet and foxtail millet to initial soil water in the High Plains[J].Field Crops Research 2009, 113: 48 - 63.
[4]
Zhang Q P, Shen Y Y, Nan Z B, et al.Production and nutritive value of alternative annual forage crop options in arainfed region of western China[C]/ /In " Food Securityfrom Sustainable Agriculture" Edited by H.Dove and R.A.Culvenor Proceedings of 15th Agronomy ConferenceNew Zealand, 2010, 15 - 18.
Kellems R O, Church D C, Livestock feeds and feeding[M].5th ed.Upper Saddle River N J: Prentice Hall,2002, 126 - 127, 153 - 157.
[11]
Bal M A, Coors J G, Shaver R D.Impact of the maturityof corn for use as silage in the diets of dairy cows on intake, digestion, and milk production[J].Journal of DairyScience, 1997, 80(10) : 2497 - 2503.
Zhang Q, Shen Y, Nan Z, et al.Production and nutritivevalue of alternative annual forage crop options in a rainfed region of western China[C].Dove H, Culvenor R Aeds.Food Security from Sustainable Agriculture.Proceedings of 15th Agronomy Conference, Lincoln, NewZealand, 2010: 15 - 18.