One of the features in the 21st century is growth of knowledge-based economic sector, which is referred as new growth theory. New growth theory reflects […]
Effect of alternative sources of input substrates on biogas production and its quality from anaerobic digestion by using wet fermentation
The aim of the study was to confirm the suitability of alternative input substrates for production of biogas in order to decrease the need of […]
Optimising cold compressive recovery of oil from the seeds of Sesame (Sesamum indicum L.)
Effects of the time rate of deformation and aspect ratio on mechanical response and performance in single cycle cold compression scheme were investigated for bulk […]
Evaluation of the fuel commercial additives effect on exhaust gas emissions, fuel consumption and performance in diesel and petrol engine
The paper deals with the impact assessment of the additives used in diesel and petrol fuel to improve the power and emission parameters of the […]
Comparison of consumption of tractor at three different driving wheels on grass surface
The paper deals with possibility of reduction of tractor fuel consumption when working on grass surface, and compares use of two versions of spike devices […]
Irradiation level affects fluctuating asymmetry value of bilateral traits of cucumber in juvenile phase
Light is an important factor of the plant’s environment. The aim of research was to confirm the hypothesis on the influence of different irradiation levels on […]
Soil sampling automation using mobile robotic platform
Land based drone technology has considerable potential for usage in different areas of agriculture. Here a novel robotic soil sampling device is being introduced. Unmanned […]
Odour reduction of manure through addition of boracic charcoal
Odours released during the land application of manure results from different gases released from the liquid phase. These gases do create objectionable odours in the […]
Evaluation of the RTK receiver’s capability of determination the accurate position
The main aim of this experiment was to compare low-cost RTK receiver, that possible can be used for precise agricultural application, another that is currently […]
Evaluation of different lighting sources on the growth and chemical composition of lettuce
Experiment were carried out in Latvia University of Agriculture in plant growth room. Lettuce Lactuca sativa L. var foliosum cv. ‘Dubacek’ and L .sativa L. […]