Pengaruh Biofertilizer Formulasi Terhadap Perubahan Parameter Kimia Tanah Dan…

The study was conducted on March 2nd - April 2th, 2019 on peat land in pineapple farmers' area, in Kampar Regency, Riau Provine. Samples were taken to the Cultivation Environment Quality Laboratory of the Fisheries and Marine Sciences Faculty, University of Riau. The aim of this study was to determine the effect of biofertilizer formulation on changes in chemical parameters of soil and water in…