TY - JA AU - Troyer,A.F. TI - Background of U.S. hybrid corn SN - 1435-0653 PY - 1999/// KW - Environmental conditions KW - Hybridization KW - Maize KW - AGROVOC KW - Mexico KW - Pollination KW - Seed production KW - Tropical zones KW - Zea mays N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0011-183X T2 - Crop Science ER -