TY  - JA
AU  - Kaspar,T.C.
AU  - Karlen,D.L.
TI  - Model-based technique to determine variable rate nitrogen for corn
SN  - No (Revis
PY  - 1999///
KW  - Environmental impact
KW  - Fertilizer application
KW  - Maíz
KW  - Nitrogen content
KW  - Soil management
KW  - Yield factors
KW  - Zea mays
KW  - AGROVOC
N1  - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0308-521X
T2  - Agricultural Systems
ER  -