ALFALFA GROWN FOR SEED - LYGUS, THRIPS, ETC. - SUPPRESSION - CALIFORNIA Limitations, Restrictions, and Exceptions ALFALFA GROWN FOR SEED Do not make more than one pre-bloom application per crop season. Do not buffer spary solution to less than pH 6.0. Method Broadcast/Foliar Air Broadcast/Foliar Ground Rates field_rates 0 field_rates 1 Restricted Entry Interval 48 hours 72 hours in areas where average rainfall is less than 25 inches a year. Timings Three (3) days prior to placing bees in or around the field, or after removing bees from the field.