• The effect of soil conditioner on the spatial variability of soil environment 

  Urbanovičová, O.; Krištof, K.; Findura, P.; Mráz, M.; Jobbágy, J.; Križan, M. (2018)

  The aim of the study was to assess and evaluate the effect of soil conditioner on the spatial variability of soil environment. Activator PRP-SOL conditioning soil properties was selected as a field of study. Assessment ...

• Evaluation of greenhouse gas emissions and area of organic soils in cropland and grassland in Latvia – integrated National forest inventory data and soil maps approach 

  Petaja, G.; Okmanis, M.; Polmanis, K.; Stola, J.; Spalva, G.; Jansons, J. (2018)

  The aim of the research was to assess distribution of organic soils in farmlands for the time period between 1990 and 2015, as well as to carry out a recalculation of GHG emissions from organic soils in grassland and ...

• Effect of nitrogen fertilization on sorghum for biomass production 

  Pannacci, E.; Bartolini, S. (2018)

  Two field experiments were carried out in 2005 and 2006 in central Italy in order to evaluate the effects of different nitrogen (N) application rates (0, 50 100 and 150 kg ha-1 ) on flowering date, plant height, biomass ...

• The characteristics of wheat collection samples created by Triticum aestivum L/Triticum spelta L hybridisation 

  Diordiieva, I.; Riabovol, L.; Riabovol, I.; Serzhyk, O.; Novak, A.; Kotsiuba, S. (2018)

  The aim of our research was to create, analyzes, and systematise wheat collection samples for the selection of valuable initial forms, to involve them in breeding process, and to create new productive cultivars. For this ...

• Farm manure amount calculation using statistical data in Latvia 

  Priekulis, J.; Aboltins, A.; Laurs, A.; Melece, L. (2018)

  To calculate ammonia emissions caused by production, storage and application of farm manure, it is necessary to know the amount of farm manure obtained in the country and also the kinds of manure. For this purpose, ...

• Assessment of potato plant development from Minitubers 

  Dimante, I.; Gaile, Z. (2018)

  In production of minitubers, mani pulation of their weight by modifying production method is common. Under field conditions plant development from minitubers can be affected by their weight, as well as ...

• The impact of weather conditions on microclimate in storage facilities 

  Bradna, J.; Šimon, J.; Hájek, D.; Vejchar, D. (2018)

  The key to maintaining good qualitative parameters of stored grain on farms is to achieve and maintain suitable storage temperatures relative to the outside temperature. In the framework of ...

• POST herbicide programme for effective weed control in winter wheat (Triticum aestivum L.) 

  Pacanoski, Z.; Mehmeti, A. (2018)

  Field experiments were conducted during two winter wheat - growing seasons to evaluate the efficacy of some new POST herbicides and herbicide combinations for those effective controls of weeds ...

• Productivity of various barley (Hordeum vulgare L.) cultivars under semi-arid conditions in southern Russia 

  Zargar, M.; Bodner, G.; Tumanyan, A.; Tyutyuma, N.; Plushikov, V.; Pakina, E.; Shcherbakova, N.; Bayat, M. (2018)

  Drought is a significant factor limiting crop production in arid conditions. In the dry climatic weather situation of southern Russia, ten - year laboratory trials and subsequent field experiments were ...

• Experimental study of an improved root crop cleaner from admixtures 

  Bulgakov, V.; Ivanovs, S.; Nowak, J.; Bandura, V.; Nesvidomin, A.; Ihnatiev, Ye. (2018)

  One of the ways to raise the quality of sugar beet harvesting is the use of improved digging tools that are able to dig out root crops from the soil without any loss and considerable damage, as well as cleaners ...

• Experimental investigation of the work of a ploughing aggregate, operating according to the system ‘push- pull’ 

  Bulgakov, V.; Ivanovs, S.; Arak, Margus; Kuvachоv, V.; Shymko, L.; Bandura, V. (2018)

  The use of ploughing machine - and - tractor aggregates, operating according to the principle of ‘push - pull’ , finds increasing application in the world since it allows ensuring the ...

• Mathematical model of cleaning potatoes on surface of spiral separator 

  Bulgakov, V.; Nikolaenko, S.; Arak, Margus; Holovach, I.; Ruzhуlo, Z.; Olt, Jüri (2018)

  Cleaning potato tubers from soil impurities and plant debris after digging them out of soil is a topical problem in the work process of potato production. Therefore, the engineer ing of new designs of potato ...

• Suitability of Common nettle (Urticadioica) and Canadian goldenrod (Solidagocanadensis) for methane production 

  Dubrovskis, V.; Plume, I.; Straume, I. (2018)

  Support for biogas production in Latvia was decreased. There is an urgent need to i nvestigate the suitability of various inexpensive renewable biomass resources for energy production. Also, ...

• Assessment of the actual hand position on the steering wheel for drivers of passenger cars while driving 

  Hruška, M. (2018)

  This work deals with the assessment of the actual position of the hands on the steering wheel of drivers of passenger cars in specific driving modes. The findings are compared with the location that is generally ...

• Faults and the physical workload in sawing and packing-related woodworking processes when considering potential ergonomic solutions 

  Kalkis, H.; Roja, Z.; Babris, S. (2018)

  The forest sector is a high - risk economic sector in Latvia, one in which manual work, awkward postures, the tightening up of individual muscle groups, and work monotony still exists. The aim of this study was to ...

• Ergonomic modelling parameters and the influence of ergonomics on planning workplaces 

  Maksimov, D.G.; Kalkis, H. (2018)

  Modern economic research divides all economics into structural levels: mega - economics, macroeconomics, meso - economics, micro - economics, and nano - economics. From the point of such traditional ...

• Efficiency of the use of field beans in fattening lambs 

  Kairisa, D.; Aplocina, E. (2018)

  The breeding and feeding of self produced pulses to livestock is one of the important directions of research for reducing the production costs of livestock products. Experiment on the effective using of the field beans ...

• Study of effect of arbuscular mycorrhiza (Glomus intraradices) fungus on wheat under nickel stress 

  Heydarian, A.; Tohidi Moghadam, H.R.; Donath, T.W.; Sohrabi, M. (2018)

  In many regions of the world soils are contaminated with heavy metals and therefore restricted in their use. For instance, the absorption of nickel (Ni) in the tissue of plants increase the plant’s metabolism and cause ...

• Assessment of Calotropis natural dye extracts on the efficiency of dye-sensitized solar cells 

  Alami, A.H.; Aokal, K.; Zhang, D.; Tawalbeh, M.; Alhammadi, A.; Taieb, A. (2018)

  This work presents the construction and testing of solar cells sensitized with natural dyes extracted from plants indigenous to the desert. Calotropis plants are self - sufficient as they grow in very harsh ...

• Additional concentrates do not affect feeding times of cows, but social positions of cows do 

  Soonberg, Maria; Kass, Marko; Kaart, Tanel; Leming, Ragnar; Arney, David R. (2018)

  In robotic milking dairy systems lack of control over intakes can be problematic for balancing the forage and concentrate portions of diets. This can lead to proble ms associated with high concentrate intakes and ...

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