Gregg Johnson
Gregg Johnson
Unknown affiliation
Verified email at umn.edu
Title
Cited by
Cited by
Year
The nature and consequence of weed spatial distribution
J Cardina, GA Johnson, DH Sparrow
Weed science 45 (3), 364-373, 1997
2711997
Crop pests and predators exhibit inconsistent responses to surrounding landscape composition
DS Karp, R Chaplin-Kramer, TD Meehan, EA Martin, F DeClerck, H Grab, ...
Proceedings of the National Academy of Sciences 115 (33), E7863-E7870, 2018
2612018
Spatial and temporal analysis of weed seedling populations using geostatistics
GA Johnson, DA Mortensen, CA Gotway
Weed Science 44 (3), 704-710, 1996
1631996
A simulation of herbicide use based on weed spatial distribution
GA Johnson, DA Mortensen, AR Martin
Weed research 35 (3), 197-205, 1995
1631995
Integrated weed management using narrow corn row spacing, herbicides, and cultivation
GA Johnson, TR Hoverstad, RE Greenwald
Agronomy Journal 90 (1), 40-46, 1998
1571998
Characterizing spatial stability of weed populations using interpolated maps
R Gerhards, DY Wyse-Pester, D Mortensen, GA Johnson
Weed Science 45 (1), 108-119, 1997
1421997
Neurally mediated syncope: pathogenesis, diagnosis, and treatment
H Kaufmann, DD Savage, L Corwin, DL McGee, HE Gendelman, M Linzer, ...
Neurology 45 (4), S12-S18, 1995
1381995
Weed distribution in agricultural fields
DA Mortensen, GA Johnson, LJ Young
Proceedings of soil specific crop management: a workshop on research and …, 1993
1371993
Cover crop management and weed control in corn (Zea mays)
GA Johnson, MS Defelice, ZR Helsel
Weed Technology 7 (2), 425-430, 1993
1111993
Spatial and temporal stability of weed populations over five years
N Colbach, F Forcella, GA Johnson
Weed Science 48 (3), 366-377, 2000
1072000
Yields of willow biomass crops across a range of sites in North America
TA Volk, LP Abrahamson, KD Cameron, P Castellano, T Corbin, E Fabio, ...
Asp Appl Biol 112 (6), 67-74, 2011
982011
Economic importance of managing spatially heterogeneous weed populations
JL Lindquist, JA Dieleman, DA Mortensen, GA Johnson, DY Wyse-Pester
Weed Technology 12 (1), 7-13, 1998
911998
Managing spatially variable weed populations
DA Mortensen, GA Johnson, DY Wyse, AR Martin
Site‐specific management for agricultural systems, 395-415, 1995
821995
The stability of weed seedling population models and parameters in eastern Nebraska corn (Zea mays) and soybean (Glycine max) fields
GA Johnson, DA Mortensen, LJ Young, AR Martin
Weed Science 43 (4), 604-611, 1995
791995
Effect of row spacing and herbicide application timing on weed control and grain yield in corn (Zea mays)
GA Johnson, TR Hoverstad
Weed Technology 16 (3), 548-553, 2002
772002
Environmental factors affecting seed persistence of annual weeds across the US corn belt
AS Davis, J Cardina, F Forcella, GA Johnson, G Kegode, JL Lindquist, ...
Weed Science 53 (6), 860-868, 2005
742005
Weed spatial variation and weed management
DA Mortensen
Integrated weed and soil management, 1998
741998
Perennial grain and oilseed crops
MB Kantar, CE Tyl, KM Dorn, X Zhang, JM Jungers, JM Kaser, ...
Annual review of plant biology 67, 703-729, 2016
672016
Field pennycress production and weed control in a double crop system with soybean in Minnesota
GA Johnson, MB Kantar, KJ Betts, DL Wyse
Agronomy Journal 107 (2), 532-540, 2015
612015
Rotation crop evaluation for management of the soybean cyst nematode in Minnesota
DR Miller, SY Chen, PM Porter, GA Johnson, DL Wyse, SR Stetina, ...
Agronomy Journal 98 (3), 569-578, 2006
492006
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