[RESULTS OF CONTROL OF BLOOD-SUCKING INSECTS BY EARLY SPRING TREATMENT OF RESERVOIRS].
D000818:Animals; D007300:Insect Control; D007313:Insecta; D007306:Insecticides; D012621:Seasons; D014586:USSR; D014881:Water Supply
D007306:Insecticides
INSECT CONTROL; INSECTICIDES; USSR; WATER SUPPLY
OPYT BOR'BY S KROVOSOSUSHCHIMI NASEKOMYMI PUTEM RANNE I VESENNE I OBRABOTKI VODOEMOV.