abstract sunflower is one of the most important oilseeds in the world which has adaptation to high temperature. however, its cultivation in many different areas is neither desirable nor economical. considering that sunflower is a crop that is irrigated by adequate river water in the province of isfahan, temperature is a determining role in the final revenue. appropriate temperatures are shown a...

The pregnancy results of 17337 inseminations carried out in a dairy herd near Cairo over a period of 12 years were retrospectively analyzed in relation to environmental temperature and temperature-humidity index (THI). The overall average of pregnancy rates to all inseminations was significantly (P