ABSTRACT Lowland rice is one of the most important food crop commodities in Indonesia. Rice production in Indonesia has not been able to meet the needs of the community. This is due to the low availability of phosphorus in ultisol soils. Efforts that can be made to increase the content of phosphorus nutrients are by giving PSB. PSB has the ability to dissolve phosphorus from an unavailable for…
ABSTRACT This study aims to determine the effect and the number of applications of biological fertilizers and biological agents, as well as the combination of applications of biofertilizer and biological agents for the growth and yield of red chili plants. This research was carried out experimentally arranged according to a factorial Completely Randomized Design (CRD) with two factor. The first…
ABSTRACT Chili plant (Capsicum annum L.) is one of the horticultural commodities, the main pest is Aphis gossypii Glover aphids with attacks ranging from 10-30%. A safe and environmentally friendly control measure for A. gossypii is to use krinyuh leaf extract. The purpose of this study was to obtain a concentration of krinyuh leaf extract which was effective against A. gossypii pest mortality…
ABSTRACT Pests that attack on corn crops in storage are corn powder pests (Sitophilus zeamais M). Pest control can be done by using chrysanthemum (Chrysanthemum indicum) This research aims to obtain an effective dose of chrysanthemum flour against the mortality of corn powder pest Sitophilus zeamais M. Research has been conducted in the Plant Pest Laboratory of the Faculty of Agriculture, Riau…
ABSTRACT Palm oil mill effluent (LCPKS) contains macro and micro elements that are potential to be used as a source of nutrition for oil palm seeds, given at different concentrations to get the best concentration capable of producing quality seeds according to PPKS recommendations. This research used inceptisol medium. The LCPKS were taken from the PTPN V Tandun Palm Oil mill shelter, Kampar R…
ABSTRACT The main pest that attacks cocoa crops is Helopeltis theivora Waterhouse. The Helopeltis theivora pest can cause a loss of 60%. Helopeltis theivora pest control generally still use synthetic chemical insecticides because they can control pests quickly and efficientlly. The control using botanical pesticides extracts of forest betel fruit (Piper aduncum L.) is an alternative to overcom…
ABSTRACT The increase in soybean production on peat soils through the application of a combination of Leguminous litter and inorganic fertilizers with microbial technology is not yet known. Accordingly, this study aims to determine the response of growth and yield of soybean (Glycine max L.) to the application of several combinations of leguminous litter and inorganic fertilizer with microbial…
ABSTRACT Cocoa (Theobroma cacao L.) is a plantation commodity that has an important role in economic activities in Indonesia and is a potential foreign exchange earner. One of the main obstacles in cacao cultivation in Indonesia is the attack of cocoa pod sucking pests (Helopeltis theivora Waterhouse). This study aims to obtain an effective concentration of betel nut to control fruit-sucking p…
ABSTRACT This Setothosea asigna is one of the main pests that attack oil palm. S. asigna pest control can be done by using insecticides cypermethrin, Bacillus thuringiensis, Beauveria bassiana and Azadirachta indica. The aim of this study was to determine the ability of various insecticide products to control S. asigna. research was carried out experimentally using a completely randomized desi…
ABSTRACT This research aims to know the effect of using some natural plant growth regulator concentration for the best growth of pepper seeds. This study was performed in the experimental Garden of The Faculty of Agriculture University of Riau Pekanbaru from September to November 2019. The research uses Completely Randomized Design (CRD) experiment with four treatments namely without natural p…
ABSTRACT The research aims to determine the effect of the addition of some organic fertilizers as mixed growing medium for growth and yield of baby kailan and get the best type of organic fertilizer to support the growth and yield of baby kailan plants for three times planting in verticulture. The research was carried out at the Kebun Percobaan of the Agriculture Faculty, Universitas Riau. The…
ABSTRACT This study aims to evaluate the various agronomic characters of the F7 lines of soybean cross varieties Grobogan and KM25 so that potential lines can be determined in the F8 generation. A total of 10 genotypes were planted consisting of 8 F7 lines and 2 comparison parents (Grobogan and KM25 varieties). The changes observed included short flowering, harvesting periods, plant height, nu…
ABSTRACT The growth of good oil palm seedlings depends on the availability of nutrients and organic matter in the growing media. Organic material that can be met is by utilizing palm oil mill effluent (LCPKS). Planting media is an important factor in supporting the growth of oil palm seedlings. Agricultural land in Riau Province is dominated by peat soils and Ultisols. Both types of soil are p…
ABSTRACT Increasing rice production in Riau can be done by increasing the harvest area by utilizing peat lands and applying cultivation technology. Rice cultivation on peat lands faces obstacles namely low soil fertility. Therefore it was necessary to know the right fertilizers for rice cultivation in peat lands, including by combining inorganic fertilizers with organic fertilizers in the form …
ABSTRACT This research aimed to determine the effect of the best BAP concentration at the same NPK fertilizer dosage, the effect of the best NPK fertilizer dosage at the same BAP concentration, and the primary effect of BAP concentration and NPK fertilizer dosage towards cocoa seedling growth. The research was conducted in the Experimental Field of Agriculture Faculty of Universitas Riau from …
ABSTRACT Soybean is a commodity that has the potential to be increased production because of high economic value and nutritional value complete.Efforts to increase soybean production can be done by using superior varieties and improving fertilization technology.Superior varieties, if not balanced with proper fertilization, will not be optimal production. The use of fertilizers that are startin…
ABSTRACT This study aims to determine the effect of the interaction between potassium nutrients from a combination of KCl fertilizer and oil palm kernel ash by giving auxin growth regulators to the growth and yield of shallots, determining the combination of oil palm basket ash and KCl fertilizer as the best source of nutrients. potassium to increase growth and yield of shallots, and determine…
ABSTRACT Rice is one of the priotity food crop in Indonesia. The main problem faced by rice cultivation is the attack of the brown planthopper (Nilaparvata lugens Stall.). The brown planthopper is one of the most important and feared pest in rice cultivation, because it can cause a decrease in production up to 100% by causing hopperburn symptoms and becoma a desease vector. Botanical pesticide…
ABSTRACT Peanut (Arachis hypogaea L.) is a food crop that has high economic value because of its nutritional content, protein and vegetable fat sources. Efforts to increase peanut production were carried out by utilizing Ultisol soil, the purpose of the study is seeing the effect of giving mycorrhizal Trichokompos TKKS to ultisol soil and to see the best effect on the growth and production of …
ABSTRACT Cocoa is a plantation crop that had important role for the national economy. The need for cocoa from year to year was increasing, to increase the cocoa production and development was determined by the availability of high quality seedling. High quality seedling were obtained by the high quality seed and and good breeding process by giving coconut water as a nature ZPT and using soil m…