 The combination of unusually warm temperatures for mid-June, moderately low humidities until recent days at least, both of which lead to high rates of soil evaporation and plant transpiration, brilliant sunlight, and either restricted root development or simply small root systems due to the fact that they're young plants. These kinds of combinations can cause severe stress on young plants. I began to see crops rolling a week ago on eroded slopes before we had the onset of 90-plus degree weather, so...