The aim of this study is to determine the effect of foliar supplemented fertilizer (FSF) applied at different spraying intervals on vegetative growth, yield components and seed yield of soybean plants. The study was conducted in Faculty of Agriculture Experiment station from March to June 2018 using a split plot design with three replications. Three levels of spraying intervals such days W1…
Cocoa (Theobroma cacao L.) is a plantation crop that has an important role in the national economy. Conopomorpha cramerella Snellen is a pest that causes a decrease in cocoa production in the field. The recommended control is using botanical insecticides using soursop leaves (Annona muricata L). This study aims to obtain best concentration of soursop leaf flour extract (A. muricata L) to co…
This study aims to determine the effect of the interaction between the administration of petrhikaphos and phosphorus fertilizer, the single factor of petrhikaphos and phosphorus fertilizer and to get the best dose of petrhikaphos and phosphorus fertilizer on the growth and production of soybean plants (Glycine max (L.) Merril). This research is a factorial experiment arranged according to …
Oil palm (Elaeis guineensis Jacq.) holds a very strategic role in the Indonesia economy. Plants that have reached the economic age of 25 years need to be replanted using qualified oil palm seedlings. The qualified seedling is obtained through proper fertilization. One of the efforts that can be done is to use biofertilizer made from cellulolytic bacteria combined with organic liquid waste. …
Aphis gossypii Glover is the main pest that attacks chili plants. Control efforts that are often carried out are by using synthetic insecticides. Safe pest control is to use vegetable insecticides. Srikaya is a plant that can be used as a botanical insecticide. The purpose of this study was to obtain an effective concentration of srikaya leaf powder extract against A. gossypii pest mortalit…
ABSTRACT This study aims to produce varieties of shallots (Allium ascalonicum L.) from seeds with better growth and production by adjusting the spacing. The research was conducted at the experimental garden of the Faculty of Agriculture, Riau University, Pekanbaru from May to October 2019, in a factorial completely randomized experimental design in three replications. The first factor is t…
ABSTRACT Spodoptera frugiperda J. E. Smith is the main pest attacking maize crops. The usual control is the use of synthetic insecticides, but the continuous or unwise use of synthetic insecticides will have a negative impact on humans and the environment, therefore an alternative insecticide that is safe and environmentally friendly, such as tuba roots (Derris elliptica Benth) is needed. …
ABSTRACT This research aims to increase the production of rose flower (Rosa hybrida L.) in quality standards by takenthe paclobutrazol which is done at different age of rose cuttings. The research was conducted on the Faculty of Agriculture experimental farden, Riau University, from May 2019 to August 2019. The study was conducted in the 4 x 4 factorial completely randomized design (CRD) i…
ABSTRACT This study aims to determine the physical characteristics of skin powder, chitin and chitosan that prepared from skin of sea cucumber (H. scabra). The analysis parameters observed were physical characteristics, moisture content and ash content. The skin of H. scabra has blackish gray color with yellow and black spots originating from the dorsal part and white skin with yellow and …
ABSTRACT The aim of the research was to evaluate effect of soaking baraccuda fish stick into the liquid smoke at varied concentration on the consumer acceptance and to determine the optimum concentration of liquid smoke in the processing of smoked fish sticks. The treatment given was soaking the fish into the liquid smoke solution at varied concentration (0%, 4%, 8%, and 12%). The paramete…
Abstract This study aimed to determine the effect of different temperatures on the effectiveness of brown seaweed extract (Sargasum plagyophyllum) as an antibacterial agents for Staphylococcus aureus and Pseudomonas aeruginoosa. The treatment conducted was heating the extract with varied temperatures (50, 60 and 70 ºC). The parameters assessed were the clear zone diameter on each medium f…
The study was aimed to determine the effect of sago flour addition on tilapia rolade and consumer acceptance on fish rolade and to obtain the best concentration of sago flour on tilapia rolade based on organoleptic and proximate tests. The method used in this study was an experimental method with the design used, namely Complete Randomized Design non-factorial with 4 treatments of Ri0 (witho…
Abstract This research aims to determine the effect of basil leaf extract (Ocimum sanctum) on the quality of fresh nile tilapia (Oreochromis niloticus) during storage at room temperature in terms of microbiological, organoleptic, and chemical parameters. The treatments are given consisted of K0 (control), K1 (10% basil leaf extract), K2 (15% basil leaf extract). The analysis parameters obs…
The aim of research was to determine the effect of addition of lime (Citrus aurantifolia) juice on the quality of carp fish (Oreochromis niloticus) during storage at room temperature. The research was using an experimental method and composing as a non factorial randomized block design (RBD) to conduct the treatments by lubricating the fresh carp fish with lime juice at various concentrati…
ABSTRACT Protein hydrolyzate is a product resulted from the breakdown of simple peptides and amino acids through the hydrolysis process by enzymes, acids or alkalis. The purpose of this study was to determine the effect of the addition of modified purple sweet potato flour (Ipomoea batatas L. Poir) into the rebon shrimp protein hydrolyzate (Acetes sp.). The research method was an experimen…
Abstract This study aimed to determine the effect of consumer acceptance on dried cream puff with the addition of anchovy flour. The research method used was the experimental processing of dried cream puff with different concentrations of anchovy flour. The research data were analyzed using a one-factor completely randomized design. The test parameters were organoleptic analysis (appearanc…
ABSTRACT The main pest that attacks the sweet corn plant is the sweet corn cobs mover (Helicoverpa armigera Hubner. Pest control can be done using botanical insecticide babadotan plants (Ageratum conyzoides L.). The aim of this research was to get a effective concentration of babadotan leaf flour extract against of H. armigera larvae in the Laboratory. The research was conducted at the Pla…
This study aims to determine the effect of the combination of AB mix nutrition with LOF tofu wastewater on the growth and yield of lettuce plants and get the combination of AB mix with LOF tofu liquid waste for the best growth and yield of lettuce plants hydroponically. The study was conducted at the Experimental Garden Screening House of the Faculty of Agriculture, Riau University, from Septem…
ABSTRACT Oil palm cultivation in Riau is done mostly on Dystrudepts. Dystrudepts have several problems such as low pH, low organic matter content, high bulk & particle density. One of curative solution is by applying organic mulch and earthworms. This research aims to identify organic mulch, earthworms density, and its interaction while determining the best treatment combination that can f…
ABSTRACT Rice cultivated on ultisol have several problems such as nutrient content (such as N, P, K, Ca, and Mg), pH, organic matter, alkaline saturation and cation exchange capacity are low while exchangeable Al and Al saturation are high. Efforts to overcome these problems can be carried out by the application of fish waste liquid organic fertilizer (FWLOF) and rock phosphate (RP). This …