4VAN SOEST P J,ROBERTSON J B,LEWIS B A.Methods for dietary fiber,neutral detergent fiber,and nonstarch polycarbohydratess in relation to animal nutrition[J].J Daiu Sci,1991,74:3583-3597.
5XIONG Y,BARTLE S J,PRESTON R L.Improved enzymatic method to measure processing effects and starch availabilitv in sor ghum grain[J].J Animal Sci,1990,68:3861-3870.
7KELLEMS R O,CHU RCH D C.Livestock feeds and feeding[M].Upper Saddle River N J:Prentice Hall,2002:126-127,153-157.
8CLIQUET J B,DEL(E)ENS E,MARIOTTI A.C and N mobilization from stalk and leaves during kernel filling bv C and N tracing in Zea mays L[J].Plant Physiology,1990,94(4):1547-1553.
9杨新志,李彦玲.优质蛋白玉米中单9409[J].河南科技,2000(3):15.
10LEASK W C,DAYNARD T B.Dry matter yield,in vitro digestibility,percent protein,and moisture of corn stover following grain maturity[J].Can J Plant Sci,1973,53:515-522.
