TY  - BK
AU  - McIsaac,G.F.
AU  - Hirschi,M.C.
AU  - Mitchell,J.K.
TI  - Nitrogen and phosphorus in eroded sediment from corn and soybean tillage systems
SN  - 0149-9890
U1  - 92-058912 
PY  - 1989///
KW  - America
KW  - Cereals
KW  - AGROVOC
KW  - Corn belt usa
KW  - Cultivation
KW  - Elements
KW  - Natural resources
KW  - Nonmetals
KW  - North America
KW  - North central states usa
KW  - Plant products
KW  - Soil conservation
KW  - Soil cultivation
KW  - Surface water
KW  - USA
KW  - Vegetables
KW  - Water resources
N1  - references. Paper presented at the 1989 International Winter Meeting of the American Society of Agricultural Engineers, December 12-15, 1989, New Orleans, Louisiana
ER  -