ABSTRACT This study aims to determine the interaction of OPEFB compost and NPK fertilizer, single factor OPEFB compost, single factor NPK fertilizer on okra plant growth and yield and to obtain the best dose of OPEFB compost and NPK fertilizer.This research was conducted at the experimental garden of the Faculty of Agriculture, University of Riau in Maret-Juni 2020 in the form of experiments mu…
ABSTRACT Oil palm cultivation is done mostly on acid mineral soil. Acid mineral soil have several problems such as low pH, saturation of Al and Fe, minimal nutrients and low C-Organic levels. This condition will affect the life of earthworms which are very dependent on their habitat. This study aims to determine the type and population density of earthworms that live under oil palm stands on d…
ABSTRACT The average productivity of upland rice in Indonesia is around 4.4 tons.ha-1. This productivity is classified as very low when compared to the potential yield which can reach 8.5 tons.ha-1. The utilization of synthetic zeolite as soil amendment and liquid organic fertilizer (LOF) is one of the technologies that can be applied to increase the growth and yield of upland rice. This study…
ABSTRACT This study aims to determine the appropriate doses of sludge compost on the growth and production of rice (Oryza sativa L.) rice fields with a water level of 10 cm below the soil surface. The research was carried out at the Seed Marpoyan Peace Center, from August to November 2019 This research is a non factorial experiment was arranged using Randomized block design (RAK). This study c…
ABSTRACT This study aims to increase the growth and production of sweet corn (Zea mays saccharata Sturt) which was given a corn waste compost formula decomposed by cellulolytic bacteria. The study was carried out using a completely randomized design (CRD) consisting of 5 treatments and 4 replications in order to obtain 20 experimental plots. Each plot consisted of 32 plants and 5 plants as sam…
ABSTRACT This study aims to determine the interaction of oil palm empty fruit bunches (OPEFB) trichokompos and P fertilizer on the growth and yield of green bean plants on Podzolic soils, as well as obtain a combination of doses of OPEFB trichokompos and P fertilizer in increasing the growth and yield of beans. The study used a completely randomized design (CRD) consisting of two factors (the …
ABSTRACT This study aims to obtain a biofertilizer formulation based on solid organic waste with the best cellulolytic bacteria on the growth and yield of upland rice plants. The research was carried out at the Faculty of Agriculture, Riau University, Pekanbaru. The study used a non-factorial Completely Randomized Design (CRD). The treatments used were: F0 : Without biofertilizer formulati…
ABSTRACT This study aims to determine the growth and production of sweet corn by reducing the use of inorganic fertilizers and chemical insecticides. This research was conducted for 4 months starting from July to October 2020. Using a factorial completely randomized design (CRD). The first factor is fertilization consisting of four levels, namely 100% inorganic fertilizer + organic fertilizer …
ABSTRACT This study aims to determine the interaction of the number of seeds in the planting hole and the frequency of the best weed control on the growth and production of lowland rice (Oryza sativa L.) at a water discharge 5 cm below the soil surface. The experimental design used was a factorial design arranged in a Randomized Block Design (RBD). The first factor is the number of seeds consi…
ABSTRACT The main pest that often attacks corn crops is Helicoverpa armigera Hubner. Pest control can be done using botanical insecticide papaya plants (Carica papaya L.). The aim of this research was to get a effective concentration of papaya leaf extract against of Helicoverpa armigera Hubner. The research was carried out experimentally in the Laboratory of Plant Pests, Agricultural Faculty,…
ABSTRACT This research aims to determine the effect of giving sludge and NPK fertilizer and to obtain the best combination dose of sludge and NPK fertilizer on the growth of oil palm seedlings in the main nursery. The research was conducted at Kebun Percobaan, Agriculture Faculty, University of Riau, Binawidya Campus Km 12,5, Simpang Baru sub-district, Tampan district, Pekanbaru, using complet…
ABSTRACT Long beans (Vigna sinensis L.) is a horticultural commodity. The main obstacle in the cultivation of long beans is the attack of the aphid Aphis craccivora Koch. This pest control can be done by using botanical insecticides, namely billygoat weed (Ageratum conyzoides L.) leaves. The aim of this research was to obtain the concentration of billygoat weed leaf powder extract (Ageratum con…
ABSTRACT This research aims to determine the interaction effect of guano and NPK fertilizers and to find the right combination to support the growth and production of eggplant (Solanum melongena L.). Research was carried out in the experimental garden of the Faculty of Agriculture, Riau University, from February to May 2021. This study was a factorial experiment using a completely randomized d…
ABSTRACT Soybean is one of the commodities that are very much processed by the people of Indonesia. Soybean production in Indonesia in recent years has tended to decline, so efforts can be made to increase the productivity of soybean plants. Efforts are made by planting soybeans on replanted land in oil palm plantations. The aim of the study was to determine the response of various soybean var…
ABSTRACT Sago liquid waste is 94% of the water produced from the sago processing that could pollute the environment. One of the biological treatments that can solve this problem is the use of mutualism symbiotic between the microalgae Chlorella sp. and agrobost with the addition of 5.000 lux constant light. The purpose of this research was to develop symbiotic technology for microalgae and…
ABSTRACT Palm oil after experienced post-flood resulted in a decrease in yield. This study aimed to determine the best combination of dolomite and potassium enriched fertilizer to increasing the yield of oil palm (Elaeis guineensis Jacq.) in post-flood land. This research was conducted experimentally using a completely randomized design consisting of 10 treatments with 3 replications. The para…
ABSTRACT Corn (Zea mays L.) is the main food source besides rice. The main pest that often attacks maize is Helicoverpa armigera. The attack of Helicoverpa armigera pest cause a decrease in maize production by up to 80%. Helicoverpa armigera pest can controlling with botanical insecticides, example papaya leaf (Carica papaya L.). The purpose of this research was to obtain an effective concentr…
ABSTRACT This study aims to determine the effect of the combination of NPK with rabbit urine liquid organic fertilizer and to obtain the best combination treatment of NPK and rabbit urine liquid organic fertilizer on the growth and production of shallots (Allium ascalonicum L.). This research was carried out at the Experimental Garden of the Faculty of Agriculture, Riau University from Septemb…
ABSTRACT This aims of this study to obtain the best concentration of the local fungus B. bassiana to control S. frugiperda J.E. Smith maize pests in Laboratory. The research was conducted at the Laboratory of plants pest, Fakulty of Agriculture, Riau University, Bina Widya street km 12.5. Simpang Baru village, Tampan district. Pekanbaru. This research was conducted from July to September 2021.…
ABSTRACT Lemon (Citrus limon L. Burm.f.) is a horticultural commodity that is well known by the public as a multipurpose fruit. The length of the cuttings and the long immersion with ZPT can increase the growth of lemon seedlings. This study aims to determine the effect of cutting length and immersion time with ZPT Indole Butyric Acid (IBA) on the growth of citrus limon (L) Burm.f. cuttings an…