Record Display for the EPA National Library Catalog


Main Title Modeling the Impact of Ozone x Drought Interactions on Regional Crop Yields (Journal Version).
Author King, D. A. ;
CORP Author Portland Univ., OR.;Corvallis Environmental Research Lab., OR.
Publisher c1988
Year Published 1988
Report Number EPA-R-812671; EPA/600/J-88/221;
Stock Number PB89-144505
Additional Subjects Ozone ; Droughts ; Mathematical models ; Soil water ; Farm crops ; Soybean plants ; Wheat ; Cotton plants ; Forecasting ; Stress(Physiology) ; Corn ; Plant physiology ; Plant growth ; Sensitivity ; Yield ; Reprints ; Air pollution effects(Plants) ; Gossypium hirsutum ; Glycine max ; Triticum aestivum ; Regional analysis ; Biological adaptation ; Zea mays
Library Call Number Additional Info Location Last
NTIS  PB89-144505 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 16p
The influence of soil moisture stress on crop sensitivity to O3 was evaluated for corn, cotton, soybean, and wheat grown in the United States by using yield forecasting models to estimate the influence of soil moisture deficits on regional yield and a previously developed model to predict moisture stress x O3 interactions. Reduced crop sensitivity to O3 was predicted for those regions and years for which soil moisture stress reduced yield. The models predicted a drought-induced reduction in crop sensitivity to O3 of approximately 20% for the 1979 to 1983 period; i.e., a hypothetical O3-induced yield reduction of 5% for adequately watered crops would have been reduced to a 4% effect by the 1979 to 1983 distribution of soil moisture deficits. However, predicted drought effects varied. Uncertainties in the model predictions are also discussed. (Copyright (c) 1988 Elsevier Applied Science Publishers Ltd.)