Sungai Rawa Village, Sungai Apit District, Siak Regency is one of regions in Riau Province that has mangrove forest. Some mangrove species, including Rhizophora sp., are found in this forest. The aim of this ...

“Variegata cassava” (Manihot esculenta Crantz) is one of the cassava genotypes in Province Riau. This cassava is more delicious than resilient other cassava. Besides that, this plant has unique leaves, green at the margin ...

Tembesu is a high quality wood crop. Tembesu seeds has natural dormancy because its small and hard seed. One way to break this dormancy is by soaking with giberelin (GA3) for 24 hours. This study used complete randomized ...

Celery (Apium graveolens L. var. secalinum) is a vegetable that has a spesific aroma that attract many people in Indonesia. The celery cultivation in Pekanbaru is still limited due to unsuitable enviroment for its growth. ...

Exopolysaccharides (EPS) are secondary metabolites produced by microorganisms, EPS is produced by lactic acid bacteria (LAB) under unfavorable conditions. The purposes of this study were to select LAB capable of producing ...

Peatland conversion activities into plantation can cause a low level of decomposing organisms growth, so the process of decomposition organic materials such as lignin and cellulose occurs imperfectly. ...

The use of plastic bags made from low density polyethylene (LDPE) is one of the main sources of environmental pollution, because it degrades very slowly in nature so that it accumulates in large quantities in the ...

Rhubarb (Rheum officinale Baill.) is a species that belongs to Polygonaceae family. Rhubarb has long been used in the traditional medicine. The metabolites contained in rhubarb are rhein, emodin, chrysophanol and flavonoids. ...

Siamang (Symphalangus Syndactylus) is primate speciesclassified as arboreal since it does all of daily activities on tree canopies closely.This study was carried out from April to July 2017 in Suaka Margasatwa Bukit ...

Heavy metals are serious pollutants in the aquatic environment, as they are persistence and can be accumulated in the body of aquatic organisms. A research on the kidney structure of Hemibagrus nemurus Blkr. that was exposed ...