TY  - JA
AU  - Norton,D.C.
AU  - Oard,M.
TI  - Plant-parasitic nematodes in loess toposequences planted with corn [Helicotylenchus pseudorobustus, Paratylenchus microdorus, Pratylenchus spp., Xiphinema         americanum; Iowa]
SN  - 0022-300X
U1  - 82-789572 
PY  - 1981///
KW  - Injurious nematodes
KW  - Iowa
KW  - Maize
KW  - AGROVOC
KW  - Pests of plants
KW  - Zea mays
N1  - ill. 8 ref
T2  - Journal of Nematology
ER  -