Title: Issledovanie vlii︠a︡nii︠a︡ izmeneniĭ okruzhai︠u︡shcheĭ sredy i klimata na produktivnostʹ selʹskokhozi︠a︡ĭstvennykh kulʹtur
Subjects: Crops, Crops and climate, Effect of air pollution on, Crop yields