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Recent Submissions
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Sõnniku mõjust maheviljeluslikult majandatavas külvikorras
(Estonian Academic Agricultural Society, 2018)Organic agriculture is a production system which relies on ecological processes. In the organic farming systems, it is important to improve soil fertility and to protect soil physical condition for its healthy functioning. ... -
Eesti Põllumajanduse Akadeemiast Eesti Maaülikooliks: arengud õppetegevuses 1951–2018
(2018)Õppetegevus läbi aastakümnete; teaduskonnad, erialad. Eesti Põllumajanduse Akadeemia (EPA) kui iseseisev ülikool moodustati 1.01.1951 Tartu Riikliku Ülikooli (TRÜ) põllumajandus-, metsandus- ja loomaarstiteaduskonna baasil. ... -
An assessment of stratification of exhaust gases from gasoline and diesel engine
(2018)Research the aim of which was to find out stratification of main exhaust components outside the tailpipe of the vehicle was realized in Alternative Fuels Research Laboratory of Latvia University of Agriculture using ... -
Experimental research on compatibility of mineral and biobased hydraulic oils
(2018)The use of biobased hydraulic oils becomes more popular in the different industries, but especially in agriculture machinery. This is stimulated by the fact that significant amount of hydraulic oils effluence in ... -
The potential use of invasive plant species as solid biofuel by using binders
(2018)The aim of the current research is to find sustainable pellet resources that are not made from forestry, agricultural materials, or food products. Evaluation has been carried out by experimentally determining ... -
Sonochemical effects on food emulsions
(2018)Acoustic cavitation of food emulsions is widely applied as the main processing method to improve the quality of a finished product and its organoleptic characteristics, as well as to increase production ... -
Anaerobic co-fermentation of molasses and oil with straw pellets
(2018)The average grain and straw production in Latvia is increasing in last decade. Straw is not always managed properly and its utilisation in biogas plants can be considered as an alternative. Straw is not ... -
Conceptual ‘Cradle to Gate’ analysis of GHG emissions from wood, agricultural plant and synthetic fibres
(2018)Industrialization and fossil resource use has brought unprecedented anthropogenic carbon dioxide emissions. Use of synthetic fibre materials and unsustainable plant cultivation practices contribute ... -
Effect of rubber powder from waste tyre rubbers on mechanical properties of one-component polyurethane putty
(2018)The utilization of adhesives in technical practice is varied. Adhesives serve for a creation of strength bonds on the one hand, and on the other hand e.g. for cementing. The aim of the research is a ... -
A study of dynamics of bitter acids and xanthohumol in hop pellets during storage
(2018)Eight varieties of hop pellets were analyzed for the contents of α - acids, ß - acids and xanthohumol according to the EBC 7.7 analytical method. The pellets were extracted with acidified mixture methanol ... -
Factors influencing use of fuelwood and its environmental impacts in Tapanuli Utara regency, North Sumatra
(2018)Deforestation and forest degradation, after burning of fossil fuels, is considered as the second leading cause of anthropogenic greenhouse emissions (accounting for over 17% of global carbon dioxide emissions) ... -
Quality assessment of laser cladded HSS coatings with deep penetration into base material to obtain a smooth gradient of properties in coating-substrate interface
(2018)The present research is dedicated to the study of influence of coaxial laser cladding (CLC) process parameters onto values of alloying compo nents content in the coatings, morphology as well as the ... -
Red clover drying coefficient dependences on air velocity at constant drying temperature
(2018)The clover is widely used as feed of animals and preservation of fodder is an important problem. This paper informs about the experimental and theoretical investigations of red clover ( Trifolium pratense ) drying ... -
Optimizing the sample size to estimate growth in I-214 poplar plantations at definitive tree density for bioenergetic production
(2018)In Europe, over the last decades, the arboriculture for woody biomass production has significantly expanded, often using poplar plantations. In order to maximize prod uction, the flexibility of the ... -
Lake blue clay - sapropel - flax shive briquettes for water absorption and desorption
(2018)Latvian lakes are rich in sapropel sediments and below the sapropel layer there is another valuable natural resource, namely blue clay. Flax shives are formed in large quantities as a waste in flax ... -
Meat chemical composition of pasture pure lambs and crossbreeds
(2018)Increased customer interest of safe, healthy and environmentally friendly food consumption promote development of sheep farming industry in Latvia. Aim of the paper – explain of different ... -
Combustion property analyses with variable liquid marine fuels in combustion research unit
(2018)The quality of ignition and co mbustion of four marine and power plant fuels were studied in a Combustion Research Unit, CRU. The fuels were low - sulphur Light Fuel Oil (LFO, baseline), Marine Gas Oil ... -
Kinematic viscosity studies for medium-speed CI engine fuel blends
(2018)Engine - driven power plants, run by diesel fuel or gas, will be needed for peaking power to keep the electricity grids stable when the production of renewable electricity, e.g. utilizing wind or solar ... -
Exhaust particle size distributions of a non-road diesel engine in an endurance test
(2018)The main objective of this study was to find out how th e non - road diesel engine running period of 500 hours affects the exhaust particle size distribution. By means of an engine exhaust particle sizer (EEPS), ... -
Alarm guard systems for the prevention of damage produced by ungulates in a chestnut grove of Middle Italy
(2018)Wildlife populations, in particular ungulates and carnivores, have had a significant increase in most Italian regions over the last decades and for this reason ecosystems and agricultural and ...
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