Claim · model-written summary
Hybrid maturity decreased in 281 counties.
Verbatim
t0“maize-based systems”
e0“hybrid maturities changed in 345 of 650 counties with an increase in 64 and decrease in 281; 305 were unchanged”
Title
Lori Abendroth Iowa State University Digital Repository (Iowa State University) 2019
Other claims from this paper (8)
- Observation Thermal time warmed disproportionately in northern and eastern counties since 1950.
- Observation Central and western counties did not warm substantially.
- Observation Northern counties had a near-zero difference between hybrid requirements and environmental thermal availability.
- Observation Southern counties had up to 800 GDDs remaining after crop maturation.
- Observation Hybrid maturity increased in 64 counties.
- Observation Hybrid maturity was unchanged in 305 counties.
- Association For most counties, hybrid maturity shortened as seasonal thermal time lengthened.
- Method / resource Soil organic carbon best separated management treatment responses.