TY - BOOK AU - KHANGURA, Jagtar Singh TI - Relative efficacy of dilute and concentrate sprays for the control of pests U1 - T 632.94 K55R PY - 1970/// CY - Ludhiana PB - P.A.U KW - PESTICIDES KW - CONTROL KW - COTTON SPRAYS KW - EFFICACY KW - ENTOMOLOGY KW - SPRAYING AND DUSTING IN AGRICULTURE N2 - Insecticidal applications on cotton with all the methods high volume (HV), low volume (LV) and ultra low volume (ULV) applications were equally effective in controlling active insects, but in case of pests like whiteflies which are immobile in their immat ER -