7Howell T,Evett S,Tolk J,et al.Evapotranspiration of Cornand Forage Sorghum for Silage[C].World Environmental andWater Resources Congress,2008:1-14.
8Alan G K,John W P,Helen M B,et al.Top fodder success-ful silage[M].The States of New South Wales:Dairy Austral-ia and New South Wales Department of Primary Industries,2004:171.
9Bolse K K,Lin C,Feyerherm A M,et al.Effect of silage ad-ditives on the microbial succession and fermentation process ofalfalfa and corn silages[J].Journal of Dairy Science,1992,75(11):3066-3083.
10Goering H K,Van Soest P J.Forage fiber analysis.U.S.Department of Agriculture.Handbook[M].Washington,DC,1970:379-385.
