TY  - JA
AU  - Frye,W.W.
AU  - Smith,W.G.
AU  - Williams,R.J.
TI  - Economics of winter cover crops as a source of nitrogen for no-till corn
SN  - 0022-4561
U1  - 86-069950|86-042649 
PY  - 1985///
KW  - Cereals
KW  - AGROVOC
KW  - Control
KW  - Crops
KW  - Economic plants
KW  - Elements
KW  - Feed crops
KW  - Feed grasses
KW  - Gases
KW  - Glumiflorae
KW  - Grain crops
KW  - Gramineae
KW  - Grasses
KW  - Industrial crops
KW  - Injurious factors
KW  - Monocotyledons
KW  - Nonmetals
KW  - Oil crops
KW  - Periodicity
KW  - Physical states
KW  - Plants
KW  - Production economics
KW  - Protective plants
KW  - Seasons
KW  - Soil cultivation
KW  - Starch crops
KW  - Sugar crops
KW  - Time
KW  - Timing
N1  - 11 references
T2  - Journal of Soil and Water Conservation
ER  -