ABSTRACT This study aims to test the bio-fertilizer formulation with Bacillus cereus bioactivator and to obtain the best bio-fertilizer formulation for the growth and yield of upland rice (Oryza sativa L.) in peat medium. The research was conducted in the experimental garden and Soil Science Laboratory, Faculty of Agriculture, University of Riau from July to October 2018. The study was car…
ABSTRACT Riau is a lowland rice producing province. One of the pests that can reduce the productivity of lowland rice is the golden snail (Pomacea canaliculata L.). The solution for controlling pests of golden snail (P.canaliculata L.).Uses environmentally friendly control techniques, namely botanical pesticides of gadung tubers. This study aims to obtain a concentration of the extract of …
ABSTRACT Conopomorpha cramerella Snellen. is one of the main pests of the cocoa plant, control commonly used is synthetic chemical insecticides, however, its continuous use can cause pest resistance, so alternative control is needed, one of which is a botanical insecticide for forest betel fruit. This research was conducted in smallholder cocoa plantation in Koto Tuo village, Sungai Tarab …
ABSTRACT This research aims to obtain a concentration of soursop leaf flour extract which is effective to control the larvae of Oryctes rhinoceros L. The research was conducted at the Plant Pest Laboratory, Faculty of Agriculture, Riau University. The research was conducted for two months from April 2019 to May 2019. The research was conducted experimentally using a completely randomized d…
ABSTRACT The research aimed to determine the growth and yield of chili by combination of types of organic matter with different application methods in peat soil. The research was conducted at the Experimental Garden of the Faculty of Agriculture Universitas Riau from December 2018 to April 2019. This research used an experimental method with Completely Randomized Design (CRD) with single …
ABSTRACK Oil palm (Elaeis guineensis Jacq. L) is a very important plantation crop. Pests, especially rhinoceros beetle (Oryctes rhinoceros L.), are the main constraints in their cultivation. The solution offered is to use the biological agent Baculovirus oryctes. The aim of this study was to obtain a better concentration of local Baculovirus oryctes to control Oryctes rhonoceros L. larvae …
ABSTRACT Oryctes rhinoceros pest is one of the main pests in palm oil plantations.Biological control with Metharizium anisopliae has great potential for controlling O. rhinoceros larvae in organic matter. M. anisopliae should be given to compost media (metankos). This study aims to obtain the best compostable organic material for the development of M. anisopliae approved by its pathogenicit…
ABSTRACT This study aims to determine the best combination of NPK and liquid organic fertilizer from tilapia waste on the growth of cocoa seeds (Theobroma cacao L.). This research was conducted at Experimental Garden, Faculty of Agriculture, University of Riau, Pekanbaru. This research was conducted from April 2019 to August 2019. The treatments used were 12.48 g Kg- 1 soil NPK fertilizer…
ABSTRACT Fish protein concentrate is a starchy product which is produced by removing fat and water. This study aims to determine the effect of different times on the characteristics of the protein concentrate of cunang fish (Muraenasox talabon) using ethanol as a solvent. The main ingredients used are cunang fish and 95% ethanol solvent. The research stages included (1) extraction using et…
ABSTRACT Cunang fish (Congresox talabon) has the potential as a raw material for fish protein hydrolyzates. Hydrolysis of cunang fish using the enzyme papain were produced peptides and amino acids that have antioxidant activity. The aim of this study was to determine the antioxidant activity of the protein hydrolyzate of cunang fish using different papain enzyme concentrations. This study …
ABSTRACT The goal of this study was to determine the effect of ethanol solvent concentrations on astaxanthin levels and antioxidant capacity of vanname shrimp waste (Litopenaeus vanname). The method used was an experimental method with a completely randomized design (CRD) consisting of 3 levels of treatment K1 (ethanol concentration 70%) K2 (ethanol concentration 80%) and K3 (ethanol conc…
ABSTRACK This The study aims to determine the effect of the bentonite adsorbent added when refining fish oil. The method used in this research is the experimental method. The design used was a non-factorial Completely Randomized Design (CRD). The bentonite concentration treatment factors used M1 (7%), M2 (10%) and M3 (13%). The test parameters used were proximate analysis (free fatty acid …
ABSTRACT Mudskipper (Periopthalmodon schlosseri) had a local name known as tembakul fish that could be found in mangroves or mangrove forests. Tembakul fish had high nutritional content because of its high protein content up to 81.22% in tembakul fish meat. The research aimed to determine the effect of cooking time on the nutritional valuein the fish flour (proximateand mineral content) an…
The aim of the research was to determine the quality and stability of a smoked jerked of African Sharptooth Catfish (clarias gariepinus) during room temperature storage. The research using an experimental method, making smoked jerked of African Sharptooth Catfish (clarias gariepinus) with 0, 15, and 30 days of room storage. The research design using a Completely Randomized Design (CRD), wit…
Abstrak This study aims to determine the effect of adding rebon shrimp protein hydrolysate to the quality of biscuits given different protein hydrolysate concentrations, seen from the organoleptic parameters and proximate analysis. The method used in this research was experimental, namely adding protein hydrolysate of rebon shrimp to biscuits. The design used in this study was a nonfactoria…
ABSTRACT This study aimed to find out the effect of the addition of surimi catfish (Pangasius hypopthalmus) and to determine the percentage of the best surimi formulations as a source of protein to the quality of trortilla chips. The research method used is an experimental and composed for non-factorial Complete Randomized Design consisted of 4 levels (0, 5%, 10%, and 15 % catfish surimi a…
Abstrak This study aims to determine the effect of fortification of tilapia (Oreochromis niloticus) meal on the characteristics of crackers. The method used was an experimental method with a non-factorial completely randomized design study consisting of 4 levels, namely without the addition of fish meal (T0), fortification of 5% tilapia fish meal (T1), 10% fish meal (T2), and fortification…
ABSTRACT This study aimed to observe the effect of addition of red spinach flour on the consumer acceptance to rebon shrimp macaroni and to determine the best formulation for red spinach addition, so that it can be used as a natural color in rebon shrimp macaroni products. This research was conducted in August- September 2020 at the Laboratory of Fisheries Product Technology and Chemical …
Abstract One of the efficient and effective preservation methods is the addition of acid or silage (Hasan et al., 2001). The aim of this study was to evaluate the differences in the stability of the silage storage of catfish waste made with the addition of formic acid at pH 5 and pH 4.The method used in this research was experimental, with the addition of formic acid The results of pH and …
ABSTRACT The purpose of this research was to obtain the best concentration of carboxymethyl cellulose (CMC) on quality and organoleptic properties of lemongrass extract ice cream. This study used a Completely Randomized Design (CRD) which consist of five treatments and three replications. The treatments performed were P1 (addition of 0.5 % CMC), P2 (addition of 0.75% CMC), P3 (addition of…