DISPOSITIVO DI AZIONAMENTO PER RULLI DI TRASPORTO DI PEZZI CERAMICI IN FORNI DI COTTURA
摘要
<p>The control of Bemisia Tabaci pest, partic. the eggs and larvae thereof involves mixing mineral oil with a liq. carrier, and spreading the mixt. on crops in the forms of droplets having a dia. from 20 to 100 microns, pref. 20 to 40 microns</p>
