3Pamela J W, Lawrence A J. Com: chemistry and technology[M]. St. Paul, Minnesota. America Association of Cereal Chemists, Inc., 2003.
4Shapiro C A, Kranz W L, Parkhurst A M. Comparison of harvest techniques for corn field demonstrations[J ], American Journal of Alternative Agriculture, 1989, 4(2) : 59-64.
5Hanna H M, Kohl K D, Haden D A. Machine losses from conventional versus narrow row corn harvest [ J ]. Applied Engineering in Agriculture, 2002, 18(4):405--409.
