TY - JA AU - Breteler,H. TI - Nitrogen fertilization, yield and protein quality of a normal and a high-lysine maize variety U1 - 77-167727|77-167726 PY - 1976/// KW - Fertilizers KW - AGROVOC KW - Zea mays KW - Soil fertility N1 - 19 ref; Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0022-5142 T2 - Journal of the Science of Food and Agriculture ER -