Claim · model-written summary
System 2 had the smallest adjusted gross return in three of four cropping sequences.
- Taxon
- barley, corn, pinto bean, and sugarbeete0
- Treatment
- System 2e1
- Outcome
- adjusted gross returne1
- Direction
- smalleste1
- Qualifier
- three of four cropping sequencese1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue
Verbatim
e0“production of barley, corn, pinto bean, and sugarbeet”
e1“System 2 had the highest herbicide use in each cropping sequence, the fewest weeds at harvest, and the smallest adjusted gross return over the 4-yr period in three of four cropping sequences.”
Title
Systems Approach to Weed Management in Irrigated Crops
Edward E. Schweizer; Donald W. Lybecker; Robert L. Zimdahl Weed Science 1988. doi:10.1017/s0043174500075937
Other claims from this paper (7)
- Observation Barnyardgrass comprised 66% of the initial weed seed bank.
- Observation Redroot pigweed comprised 19% of the initial weed seed bank.
- Observation Total soil weed seed declined 53% after four crop years averaged across management systems and sequences.
- Observation About ten times more weeds escaped control under system 1 than system 2.
- Observation Barley had the fewest annual weed escapes within a crop.
- Observation System 2 used the most herbicide in each cropping sequence.
- Observation System 2 had the fewest weeds at harvest.