One of such pesticides (NSPRIDUST), an innovation by the Nigerian Stored Products Research Institute, is made from diatomaceous earth, a powdery form of a naturally occurring rock in Nigeria.
Dem make One of such pesticide (NSPRIDUST) wey be an innovation by di Naija stored product research institute, from diatomaceous earth, wey be a powdery form wey dey occure for rock naturally for Naija