TY  - JA
AU  - Risch,S.J.
AU  - Grover,H.
AU  - Pimentel,D.
TI  - Corn monoculture versus old field:  Effects of low levels of insecticides
PY  - 1986///
KW  - Arthropods
KW  - Chemical resistance
KW  - Ecosystems
KW  - Insecticides
KW  - Monoculture
KW  - Pollutants
KW  - Residual effects
KW  - Spray drift
KW  - Zea mays
KW  - AGROVOC
N1  - Tables, graphs, literature cited p. 514-515
T2  - Ecology
ER  -