Manajemen Kualitas Tanah Dan Peningkatan Kesuburan Air Peruntukan Ikan-Ikan Endemik Provinsi Riau

Abstract

The research was conducted from April until June 2012 at Soil and Water Quality Management Laboratory Fisheries and Marine Science Faculty of Riau University. The aim of the reseeu-ch was to know effect of CaCOs lime to the pond bottom soil of chemical fertility and the water quality. The method used was experiment and randomized block designs with 1 factor is CaCOalime, with 5 level of treatments doses of CaCOslime from 0 g/m , 6.67 g/m^, 56.00 g/m^, 112.00 g/m^, and 168.00 g/m^, and 2 groups is new pond age (0- 4 years old) and old pond age (5-10 years old). The result indicated that the some doses of CaCOalime to increase in pH soil pond ageO-4 years and 5-10 years is 168.00 g/m^ (P4). These conditions resulted to increase inthe initial pHrange from5.0-5.8to6.7-7.1, C-organic about 0.75%, N-total of approximately 0. 07%, KPK approximately3.2 to 3.8me/100g, C/N ratioaroundlO.O to 11.1. Thewater quality improvementin bothage groupsoccurred frompH 5.7to 7.7, increase inturbidity, hardness, increase inthe dissolved oxygenat pond age5-10 years old andconcentration ofhitratein thepondage ofD-4 years old.