Start Date

20-11-1996 12:00 AM

Description

Yield trends and yield variability are strongly influenced by weather. It is extraordinary for a statewide corn yield to exceed the established trend by more than 10%. It is not uncommon for yields to be diminished by more than 10% of the trend. Geographically, yields are differentially influenced by the ENSO (EI Nino/Southern Oscillation). Differential influences appear to have a lesser yield reducing impact in the eastern portion of the corn belt. Climate dynamics appear to be impeding the rate of yield increase in the central U.S. Advancements in long-lead forecasting are beginning to benefit efforts to assessment risks associated with crop production.

DOI

https://doi.org/10.31274/icm-180809-546

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Nov 20th, 12:00 AM

Weather and Yield Trends

Yield trends and yield variability are strongly influenced by weather. It is extraordinary for a statewide corn yield to exceed the established trend by more than 10%. It is not uncommon for yields to be diminished by more than 10% of the trend. Geographically, yields are differentially influenced by the ENSO (EI Nino/Southern Oscillation). Differential influences appear to have a lesser yield reducing impact in the eastern portion of the corn belt. Climate dynamics appear to be impeding the rate of yield increase in the central U.S. Advancements in long-lead forecasting are beginning to benefit efforts to assessment risks associated with crop production.

 

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