spray deposit मीनिंग इन हिंदी

While this white material resembles a powdery mildew disease or a chemical spray deposit, it is actually a natural exudate from chalk glands that are found on the plumbago species.
Kaolin-based sprays have been studied extensively since 1999 and research has established that these sprays deposit a " particle film " that has numerous beneficial effects on plants and in insect pest control.