<abstract xmlns="http://www.w3.org/1999/xhtml">The paper investigates suitability of digital surface model for visibility analysis in GIS. In experiment there were analysed viewsheds from 14 observer points calculated on digital surface model, digital terrain model and its comparison to field survey. Data sources for the investigated models were LiDAR digital terrain model and LiDAR digital surface model with vegetation distributed by the Czech Administration for Land Surveying and Cadastre. The overlay method was used for comparing accuracy of models and the reference model was LiDAR digital surface model. Average equalities in comparison with LiDAR digital terrain model, ZABAGED model and field survey were 15.5 %, 17.3% and 20.9%, respectively.</abstract>

Comparison of Digital Elevation Models by Visibility Analysis in Landscape

<abstract xmlns="http://www.w3.org/1999/xhtml">Article presents The register SUGGESTIONS, what is one of the main part of the OKTOPUS system (System about land, creation and land consolidation in Slovakia). This system has been created and presented in the model catchment area of the river Žitava in the previous work (125 cadastral areas in total area of 162,801 ha). Optimal combinations of land management are described mainly for land consolidation projects from erosion control, water management and ecological perspective. Modified processes for calculating the degree of soil erosion risk of the area, coefficient of ecological stability and methods of determination of critical points are used in The register SUGGESTIONS. Based on identified and evaluated dominant problems in the area there are proposed solutions (through symbols derived from concrete situations on land blocks) where to aim potential suggestions, mainly for designers of land consolidation projects. The contribution states procedures of obtaining symbols of The register SUGGESTIONS, recommendations derived from the register and three case studies.</abstract>

The Register SUGGESTIONS: Processing Tool for Land Consolidation Projects

<abstract xmlns="http://www.w3.org/1999/xhtml">Shrub species selection for road-side planting should consider their ability to cope with stress factors imposed by road trafic. In our examination we evaluated durability of 28 ground-covering woody species and cultivars in road-side environment in Warsaw. A dendrological inventory of planting beds located along Niepodległości Avenue was carried out 11 years after planting. The survival rate of each planted group of shrubs (a patch) was determined. Electrical conductivity of soil in planting beds was measured in order to determine soil salinity. Planting beds were divided into 3 groups: (1) wide beds at street corners, (2) narrow beds between pavements and interior roads, (3) road-side beds between interior roads and main roads. The results showed that the greatest number of shrubs was lost in the road-side planting beds, but in the wide beds and the narrow beds there were also some plant losses. The most resistant species to road-side environment were <italic>Spiraea</italic> × <italic>cinerea</italic> ‘Grefsheim’, certain cultivars of <italic>Spiraea japonica</italic>, <italic>Rosa rugosa</italic> and <italic>Ribes alpinum</italic> ‘Schmidt’.</abstract>

Durability of 28 Ground-Covering Woody Species and Cultivars in Road-Side Planting in Warsaw, Poland

<abstract xmlns="http://www.w3.org/1999/xhtml">Climate conditions in cities are constantly changing, creating a worsening environment for the growth of trees and performing their ecological functions. Qualitative evaluation of their responses to the often extreme climatic conditions and habitat for their growth is an important part of care for urban and historical greenery. This work deals with applying visual methods for the assessment of morphological characters, crown destructive manifestations and eco-physiological aspects of vitality through micromarker of quality of assimilation organs. Evaluation was carried out in two types of environment, in city of Nitra and an environmentally unloaded historical park in Nová Ves nad Žitavou. The research was conducted on six trees of species <italic>Acer pseudoplatanus</italic> L., through visual assessment and measuring the values of chlorophyll fluorescence-a. The measurement results were statistically evaluated and graphically interpreted.</abstract>

Growth Response Assessment of the Sycamore Maple (<italic>Acer pseudoplatanus</italic> L.) in Changed City Environment

<abstract xmlns="http://www.w3.org/1999/xhtml">Physical properties of soils are affected by many factors. These include the type of fertilizer used. An offer of fertilizers is currently extensive and new types are added, an example may be digestate, which is ranked among organic fertilizers according to Czech legislation. Changes in physical soil properties were monitored on a field trial, which were established on the place of Research grassland station Vatín (region Vysočina, the Czech Republic) in autumn 2013. The field trial comprised different variants of fertilization. Their effects were observed at different vegetation covers. In this paper, we focus on vegetation cover corn, fertilization variants: manure, mineral fertilizer (saltpetre ammonium with limestone) and digestate. The effect of fertilization was observed 3 times during the growing season 2014. It was in June, August and October. The results were obtained by the basic analysis of Kopecky rollers and it was from the depths of 0.05 m and 0.15 m (middle roller). The monitored soil properties were: bulk density, porosity, water retention capacity, maximum capillary water capacity and minimum air capacity. At all investigated physical soil properties there was a positive development during the growing season, with the exception of water retention capacity. The difference was found in the range of changes in various physical properties depending on the applied fertilizer.</abstract>

Changes of Physical Soil Properties During the Growing Season 2014 – Influence of Applied Fertilizer in Crop Corn

<abstract xmlns="http://www.w3.org/1999/xhtml">An important method of investigating N2O emissions from cropland is model simulation. The measured data of N2O emissions under conventional tillage (CT) and reduced tillage (RT) with (N1) and without (N0) N fertilizer application were used to test the DNDC model during the year 2012 (April-December) in Slovakia. There was found a good agreement with seasonal N2O emissions only for CTN0 treatment, but in case of other treatments DNDC overestimated the emissions. The relative deviation between observed and simulated total seasonal N2O emissions (kg N ha−1) from four treatments were 46%, 164%, 346% and 321% for CTN0, CTN1, RTN0 and RTN1, respectively. Also, some discrepancies were found between observed and simulated emissions when evaluating the daily N2O emissions, especially when looking at the magnitude of N2O emissions peaks. The correlation between observed and simulated daily N2O emissions (N = 38) in case of conventional tillage was quite high and significant with <italic>r</italic> = 0.48 (<italic>P</italic> &lt;0.01), <italic>r</italic> = 0.45 (<italic>P</italic> &lt;0.01) for CTN0 and CTN1 treatment, respectively. On the other hand, there was found poor correlation in reduced tillage treatment with <italic>r</italic> = 0.22 (<italic>P</italic> >0.01) and <italic>r</italic> = 0.39 (<italic>P</italic> >0.01), for RTN0, RTN1, respectively.</abstract>

Agrophysical Research Institute of the Russian Academy of Agricultural Sciences, St. Petersburg,

Measured and Modeled (DNDC) Nitrous Oxide Emissions (N2O) under Different Crop Management Practices in the Nitra Region, Slovakia

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Acta Horticulturae et Regiotecturae

 Acta horticulturae et regiotecturae (AHR) is a peer reviewed, open access, scholarly journal aimed at presenting and disseminating the latest, up-to-date results of scientific research in the fields of landscape engineering, landscape architecture and horticulture within the context of climatic changes and sustainable development. The journal focuses on the publication of original research exploring the ideas and challenges that are central to horticulture and viticulture, nature, environment and landscape protection, management, sustainability, and related fields.  Authors are fully responsible for the originality, scientific quality and formal correctness of their paper.  Our journal was first published in 1998.  ISSN: 1335-2563 (printed edition)  ISSN: 1338-5259 (online)  Journal periodicity: 2 issues per year  Online publishing: May 31 (issue 1), November 30 (issue 2).  The Journal is published for the Slovak University of Agriculture in Nitra (corporate author/editorial Office – Faculty of Horticulture and Landscape Engineering), on the De Gruyter Sciendo platform.  The Journal is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)  Fees  We believe in the importance of open access and therefore no fees apply for publishing in Acta Horticulturae et Regiotecturae.  Rights &amp; Licenses  By submitting the manuscript, You agree with the conditions under which the journal is published creativecommons.org/licenses/by/4.0/  Peer review  The Journal applies a double-blind peer review process. Articles are reviewed by two independent reviewers who are not involved as a participant, supervisor, technical reviewer, or advisor in the work being reviewed.  Plagiarism screening  All manuscripts are checked by iThenticate software (Similarity Check service).  Rejection rate:   30%   Paper/Manuscript Submit  Manuscripts should be submitted by one of the authors of the manuscript through the Open journal system.   The corresponding (submitting) author is responsible for managing all communication between the journal and all co-authors, before and after publication. Before publication, papers will be emailed to the corresponding author for proofreading. The author’s response, with or without corrections, should be sent as soon as possible. Compliance with these instructions is obligatory for all authors.   Types of published papers  Acta Horticulturae et Regiotecturae publishes peer-reviewed papers. All papers are published in English.    Peer-reviewed papers     Scientific Papers,  Short Communications,  Review Papers.    Acta horticulturae et regiotecturae (AHR) is a peer reviewed, open access, scholarly journal aimed at presenting and disseminating the latest, up-to-date results of scientific research in the fields of landscape engineering, landscape architecture and horticulture within the context of climatic changes and sustainable development. The journal focuses on the publication of original research exploring the ideas and challenges that are central to horticulture and viticulture, nature, environment and landscape protection, management, sustainability, and related fields.  The AHR publishes scientific articles as outputs from research and observations, as well as reviews or reports from workshops and conferences. Papers are published in regular or special (thematic) issues.  The main areas of interest for the journal include:   Landscape planning and land consolidation (including GIS)  Landscaping and landscape sustainability  Environmental monitoring  Evaluation and protection of landscape ecological stability and biodiversity  Environmental engineering and management of water resources  Water and wastewater treatment  Erosion control and protection, and soil reclamation  Flood protection management  Biometeorology and hydrology  Climate change impact on landscape and horticulture, adaptation and mitigation  Ornamental plants (including trees) maintenance, pests management  Production technologies in horticulture  Garden and landscape architecture  Historic gardens and parks revitalization  Planting design and maintenance  Urban greenery, green infrastructure  Simulations and computer modeling of the environment   Archiving  Sciendo archives the contents of this journal in Portico - digital long-term preservation service of scholarly books, journals and collections.  Plagiarism Policy  The editorial board is participating in a growing community of Similarity Check System's users in order to ensure that the content published is original and trustworthy. Similarity Check is a medium that allows for comprehensive manuscripts screening, aimed to eliminate plagiarism and provide a high standard and quality peer-review process. 

Acta Horticulturae et Regiotecturae

Volume 19 (2016): Issue 2 (November 2016)

Comparison of Digital Elevation Models by Visibility Analysis in Landscape

The Register SUGGESTIONS: Processing Tool for Land Consolidation Projects

Durability of 28 Ground-Covering Woody Species and Cultivars in Road-Side Planting in Warsaw, Poland

Growth Response Assessment of the Sycamore Maple (Acer pseudoplatanus L.) in Changed City Environment

Changes of Physical Soil Properties During the Growing Season 2014 – Influence of Applied Fertilizer in Crop Corn

Measured and Modeled (DNDC) Nitrous Oxide Emissions (N₂O) under Different Crop Management Practices in the Nitra Region, Slovakia

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