Tarım Bakanlığ Entomol Der.pdf Tıkla
Diatomaceous earth DE used in this study were acquired from a local company operating in Ankara-Kazan and Beypazarı Districts (Beg-Tuğ Mineral Corp., Turkey). The particle sizes of the DE ranged from 1-10, 10-30 and 43-65 µm for Turco 000, 004 and 020, respectively. Local DE mainly composes of SiO2 in the range of 83 to 95% and other minerals are present in oxidized forms of aluminum, calcium and iron in small amounts.