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Results 421 to 450 of 631:

Assessment of antioxidant activity and total polyphenolic compounds of peach varieties infected with the Plum pox virus

Jana Horsáková, Jiří Sochor, Boris Krška

Acta Univ. Agric. Silvic. Mendelianae Brun. 2013, 61(6), 1693-1701 | DOI: 10.11118/actaun201361061693

Relation between process and service logics

Milan Mišovič, Jan Turčínek

Acta Univ. Agric. Silvic. Mendelianae Brun. 2013, 61(2), 411-416 | DOI: 10.11118/actaun201361020411

Determination of physiological parameters of Tilia cordata Mill. in different environments cultivation

Maksat Bekboevich Matraimov, P. Salaš, T. Baltazár

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(8), 155-162 | DOI: 10.11118/actaun201260080155

Enterprise content management in the cloud

Jaroslava Klegová, Ivana Rábová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2013, 61(7), 2295-2301 | DOI: 10.11118/actaun201361072295

Price-supply flexibility of wheat market in the Czech Republic

Pavel Syrovátka

Acta Univ. Agric. Silvic. Mendelianae Brun. 2013, 61(4), 1145-1151 | DOI: 10.11118/actaun201361041145

Evolution of insurance company service quality survey, using self-learning neural network

Vladimír Konečný, Oldřich Trenz, Dana Dvořáková

Acta Univ. Agric. Silvic. Mendelianae Brun. 2011, 59(2), 149-154 | DOI: 10.11118/actaun201159020149

SUBJEKTIVNÍ HODNOCENÍ VÝZNAMNOSTI VYBRANÝCH TYPOGRAFICKÝCH VLASTNOSTÍ MARKETINGOVÝCH MATERIÁLŮ

Petra Talandová, Jiří Rybička

Acta Univ. Agric. Silvic. Mendelianae Brun. 2008, 56(3), 211-222 | DOI: 10.11118/actaun200856030211

This paper concentrates on the problems of marketing materials quality evaluation and their formal aspect and also customers' marketing materials evaluation. This area has not been concentrated on very much and nor in the literature is described. The paper presents the results of our own research which queries how the customers subjectively perceive and evaluate the marketing materials. The emphasis was put on the materials quality i.e. on what materials are considered as quality materials by the customers and which attributes mainly influence the quality. The results were aggregated on the basis of customers' responses an also on the basis of practical examples evaluation which included intentional mistakes.
The subjects of the evaluation were marketing materials quality as a general feature, the attributes influencing the quality and marketing materials quality and company quality relation. Also the examples including mistakes were evaluated. According to the questioning results, the respondents' answers vary much. It is not possible to find unambiguously right or wrong marketing materials evaluation. This area will be developed in further research which will be concentrated mainly on the typographical aspects.
The aim of this paper is to delimit and to define the present situation through the research result examination, to define 'quality' and to describe the way how marketing materials are perceived by the customers.

Effect of season and herd on rennet coagulation time and other parameters of milk technological quality in Holstein dairy cows

Gustav Chládek, Vladimír Čejna, Daniel Falta, Ladislav Máchal

Acta Univ. Agric. Silvic. Mendelianae Brun. 2011, 59(5), 113-118 | DOI: 10.11118/actaun201159050113

Vyhodnocení některých ukazatelů pitné vody ve vybraných, různě hospodařících chovech dojnic v České republice

Václava Genčurová, Oto Hanuš, Libor Janů, Antonín Macek, Marcela Vyletělová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2008, 56(4), 57-76 | DOI: 10.11118/actaun200856040057

The paper evaluates drinking water quality on selected dairy farms on the territory of the Czech Republic. The drinking water samples were collected in the farm milk storage rooms of 30 farms with subsequently made analyses. The pre - selected chemical and microbiological indicators were stated according to the regulation No. 252/2004 Coll. (pH, conductivity, chemical oxygen demand, colour, turbidity, Fe, ammonia ions, nitrites, nitrates, colony count growing at 36 °C, colony count growing at 22 °C, coliform bacteria, Escherichia coli, Ca, Mg, Na, K, Zn, Cu, Mn, Pb, Cr and Ni). The statistical evaluation was performed in the obtained data file and these data were compared with the limit values given by the regulation. The nitrate content ranged between 1 and 40.7 mg L-1 with an average of 15.6 mg L-1. The pH values varied from 5.71 to 8. The chloride concentration geometrical means was 7.57 mg L-1. The Ca average concentration 58.5 mg L-1 was in the middle of the recommended interval 40-80 mg L-1. The geometric means in Mg content was 7.9 mg L-1 being under the recommended value 20-30 mg L-1. The Cu, Pb, Cr and Ni limit values were not exceeded. The limit values in microbiological analyses were exceeded 18x in coliform bacteria, 10x in enterococci, 5x in Escherichia coli. The microbiological colonies growing at 36 °C exceeded limit 9x, those growing at 22 °C 5x.
Further, differences are compared between the organic and conventional farms, and between farms producing milk in different type of LFAs (less favourable areas) and farms not included in these areas. The difference found out between the chloride concentrations in organic (6.56 mg L-1) and conventional farms (18.2 mg L-1; p < 0.05) was statistically significant. Locality or altitude, where a given far is situated, were another classifying criterion. A significant dependence was only found out in nitrate content, which decreased (p < 0.05) with increasing altitude (the correlation coefficient value -0.39). It can correspond with the soil use decrease - a lesser fertilization intensity. Statistically significant differences were found out in hardness value as well as in Ca, Mg contents connected with that in all reference criterions. The hardness was clearly lower (1.13 mmol L-1) in organic farms as compared with concentration 2.27 mmol L-1 in conventional ones. It is, however, only a supplementary indicator according to the respective regulation. No statistical significance was found among microbiological finding values in any case.

Analysis of life quality indicators in the area of natural resources in chosen micro-regions in the Czech Republic

Jaroslav Jánský

Acta Univ. Agric. Silvic. Mendelianae Brun. 2011, 59(4), 105-116 | DOI: 10.11118/actaun201159040105

VLIV VÝUKY NA VNÍMÁNÍ VYBRANÝCH TYPOGRAFICKÝCH VLASTNOSTÍ DOKUMENTŮ

Petra Talandová, Jiří Rybička

Acta Univ. Agric. Silvic. Mendelianae Brun. 2008, 56(6), 189-198 | DOI: 10.11118/actaun200856060189

This paper concentrates on the problems of documents quality evaluation and perception. It presents the results of our own research which was made at our faculty in last months. The research was aimed at marketing materials, their quality and their evaluation by customers. After another comparative research we have concentrated on the question of typography and its evaluation by customers. It has been proved that typography, although not very visible for many readers, does influence readers' evaluation of the whole document.
Quality evaluation is influenced by what readers usually see around them but also by what are they taught at schools. For that reason we should influence readers and teach them how should be documents designed. Future specialist should know about this problem.
Aim of the research was to find how typography influences readers and whether is the typographic quality evaluation influenced by teaching at school. We have been comparing two groups of respondents, of which one was influenced by typography education and one was not. Respondent were asked to fill in a questionnaire which concentrated on right and wrong characteristic of the text. Result analysis has proved that the group influenced by typography lessons had better results. These conclusions will be applied in the new education plan for an innovation of education courses.

Vliv termínu využití na kvalitu polopřirozeného travního porostu na podzim a v zimě

Jiří Skládanka

Acta Univ. Agric. Silvic. Mendelianae Brun. 2004, 52(1), 127-136 | DOI: 10.11118/actaun200452010127

Quality of green fodder from a semi-natural sward consisting of Festuca rubra, Taraxacum officinale, Dactylis glomerata, Trisetum flavescens, Poa ssp., Agrostis stolonifera and Phleum pratense as dominant species, situated in the Bohemian-Moravian Highlands (Czech Republic) was studied in the months of the main forage utilization (November, December and January). Main usage in the winter months was preceded by usage in June, July and August (preparatory cut). The sward was fertilized in the first half of August with 50 kg N.ha-1. Qualitative characteristics studied in 2000/2001, 2001/2002 and 2002/2003 were N-substances and NEL. Sward quality was decreasing from November to January with the date of utilization exhibiting a highly significant effect (α < 0.01) on the NEL content in all three years of monitoring and on the content of N-substances in the first two years of monitoring. Effect of the preparatory cut on the contents of N-substances and NEL was significant (α < 0.05) in all three years of monitoring and in the first two years of monitoring, respectively. In November, the contents of N-substances and NEL were higher in variants with the preparatory cut made in August than in variants with the preparatory cut made in June or July. The effect of the date of preparatory cut on the contents of N-substances and NEL in December and January was depending on climatic conditions in the given year.

HYDROBIOLOGICKÁ STUDIE ŘÍČKY BOBRAVY

Ivo Sukop

Acta Univ. Agric. Silvic. Mendelianae Brun. 2008, 56(2), 175-180 | DOI: 10.11118/actaun200856020175

The qualitative and quantitative composition of macrozoobenthos in the Bobrava rivulet was summarized utilizing former and recent studies. Altogether, 187 taxa of macrozoobenthos were determined in the Bobrava rivulet and its tributaries until now. The highest values of macrozoobenthos were found on the stony substrate with mean values of biomass and density corresponding to 18.7 g.m-2 and 2922 ind.m-2, respectively. Lower values were determined on the muddy and sandy substrates with 12.4 g.m-2 and 1587 ind.m-2, and 4.2 g.m-2 and 531 ind.m-2, respectively. The index of saprobity upstream the town Rosice corresponded to oligo-betamesosaprobity. Downstream the towns of Rosice, Omice and Radostice on the middle course of the Bobrava rivulet, water duality declined to beta - to alphamesosaprobity. Due to the self-purification ability of the stream, its water quality was improved to beta-mesosaprobity bellow the municipal pollution sources in the river stretch between localities Závist and Želešice.

Hodnocení strojů pro defoliaci vinic s ohledem na kvalitu práce

Patrik Burg

Acta Univ. Agric. Silvic. Mendelianae Brun. 2007, 55(2), 21-26 | DOI: 10.11118/actaun200755020021

Defoliation of vineyard find between growers always wider exercise. The ground are ecological aspects and for ever growing title to qualitative character of production. Thrifty ablation of leaves from winegrapes zone, fulfilment in correct term highly effects on health of clusters and quantity of their contentual matters.
The aim of this work was monitoring of technic-economical parameters by 2 sets with defoliators. Furthemore was evaluated quality of their work in relation to quantity of involved bunches.

Textural properties of bread formulations based on buckwheat and rye flour

Petra Dvořáková, Iva Burešová, Stanislav Kráčmar

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(5), 61-68 | DOI: 10.11118/actaun201260050061

Digestate is equal or a better alternative to mineral fertilization of kohlrabi

Tomáš Lošák, Ludmila Musilová, Andrea Zatloukalová, Monika Szostková, Jaroslav Hlušek, Jiří Fryč, Tomáš Vítěz, Martin Haitl, Eduardo von Bennewitz, Anna Martensson

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(1), 91-96 | DOI: 10.11118/actaun201260010091

A study of potential output and output gap in the Czech Republic

Václav Adamec, Luboš Střelec

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(2), 9-16 | DOI: 10.11118/actaun201260020009

Analysis of inequality in the consumption of foodstuffs and beverages - the example of the Czech Republic

Zdeňka Malá, Gabriela Červená

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(4), 255-266 | DOI: 10.11118/actaun201260040255

Experimental application of contour method for determination of residual stress in subsurface layers of milled sample

Karel Horák, Michal Černý, Petr Dostál

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(5), 79-88 | DOI: 10.11118/actaun201260050079

Employment of maize silage in non-liquid fermentation for biogas production

Zbyšek Karafiát, Tomáš Vítěz, Kristina Somerlíková, Ján Gaduš, Martin Haitl, Tomáš Koutný

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(6), 153-160 | DOI: 10.11118/actaun201260060153

Customer relationship management influence on sales of selected companies

Jana Němeček

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(2), 231-236 | DOI: 10.11118/actaun201260020231

Influence of urban waterfront appearance on public space functions

Iva Hradilová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(8), 261-268 | DOI: 10.11118/actaun201260080261

Automatic polygon layers integration and its implementation

Ondřej Skoupý, David Procházka

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(4), 335-342 | DOI: 10.11118/actaun201260040335

Vliv redukce listové plochy na výnos a kvalitu cukrovky (Beta vulgaris L. var. altissima Döll)

Radim Cerkal, Jan Dvořák, Karel Vejražka, Jiří Kamler

Acta Univ. Agric. Silvic. Mendelianae Brun. 2007, 55(5), 37-44 | DOI: 10.11118/actaun200755050037

The yield of sugar beet is directly affected by LAI (leaf area index) and values of LAD (leaf area duration). The integral leaf area plays, except for other factors, an important role during the damage or reduction of leaf apparatus. There are many sources of leaf damage: natural disasters (hailstorm), diseases, pests (including game browsing) etc. The intensity of the root production and quality differs in relation to the growth stage of the damage plant. The aim of this study was to evaluate the extent of losses in the root yield and the quality of sugar beet upon gradual reduction of the leaf area. Two diploid varieties Monza and Compact were used in the small-plot trials conducted in years 2004 to 2006 (in the experimental station Žabčice - maize production region, zone K2, average altitude 184 m, soil type was classified as gley fluvisoil, soil is medium heavy to heavy, clay-loam to loam type). The leaf area was manually reduced by 25% and 50% at BBCH 18-19 growth phase (8-9 leaves unfolded). The results were statistically evaluated by analysis of variance and testing by Tukey test (at the significance level α = 5%). Reduction of the leaf area was reflected on the decrease of the root yield by 1 to 10% depending on the year of harvest. In addition, the stressful state of the plants after defoliation resulted in the decrease of the yield of polarization sugar per hectare, namely by 0.45 to 1.66 t.ha-1. In 2005, the leaf area reduction caused a rise of the α-amino nitrogen content. The rise in the potassium and sodium cations content caused by the leaf area reduction also increased the sugar content in the treacle (by 0.1 to 0.16%). The increasing leaf area reduction lead to decreasing of yield of polarization sugar. However, this descent was statistically significant in harvest year 2006 only.

Effect of Alginure® (seaweed extract), Myco-Sin®VIN (sulfuric clay) and Polyversum® (Pythium oligandrum Drechs.) on yield and disease control in organic strawberries

Stanislav Boček, Petr Salaš, Hana Sasková, Jana Mokričková

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(8), 19-28 | DOI: 10.11118/actaun201260080019

Fungi of the Fusarium genus in the grains of conventional hybrids and transgenic Bt-hybrids of maize (Zea mays L.) in the Czech Republic

Martin Kmoch, Ivana Šafránková, Ludmila Holková, Ivana Polišenská, Zdeněk Krédl, Radovan Pokorný

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(5), 115-124 | DOI: 10.11118/actaun201260050115

Influence of education on living conditions of households

Jana Stávková, Veronika Antošová, Jana Turčínková

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(2), 367-374 | DOI: 10.11118/actaun201260020367

Barriers to organic milk production

Jiří Duda, Markéta Tlačbabová

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(7), 55-60 | DOI: 10.11118/actaun201260070055

Internal factors influencing the knowledge continuity ensuring

Hana Urbancová, Jiří Urbanec

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(4), 387-396 | DOI: 10.11118/actaun201260040387

Columnar apple trees and their varieties

Libor Dokoupil, Vojtěch Řezníček

Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(8), 37-48 | DOI: 10.11118/actaun201260080037

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