Kepadatan Populasi Cacing Tanah Di Lahan Kebun Karet Rakyat Dan Padi Gogo

ABSTRACT This study aims to determine the population density of earthworms in smallholder rubber and upland rice plantations. This research was conducted in Pulau Payung Village, Kampar District in smallholder rubber and upland rice fields. This research was conducted from November to Januari 2021. Determining where to take soil samples using purposive method. Soil sampling was carried out…