Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Hugo Roostalu"'
Publikováno v:
Scopus-Elsevier
The trials were carried out in the Estonian University of Life Sciences (58°23'N, 26°44'E), and studied to what extent green manure crops bind nutrients and the effect and stability of biologically fixed nitrogen (N). Our research covered more spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb22075e52b89dc7fd1e2d49ca68657b
https://doi.org/10.17221/22/2012-pse
https://doi.org/10.17221/22/2012-pse
Publikováno v:
European Journal of Soil Science. 63:351-359
Soil organic carbon (SOC) concentration is an essential factor in biomass production and soil functioning. SOC concentration values are often obtained by prediction but the prediction accuracy depends much on the method used. Currently, there is a la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43c46a79f8403f3db998e0d91cbcb677
https://doi.org/10.1111/j.1365-2389.2012.01440.x
https://doi.org/10.1111/j.1365-2389.2012.01440.x
Publikováno v:
Biomass and Bioenergy. 35:4407-4416
Reed canary grass is a potential bio-energy crop in Northern Europe. As plantation biomass production depends on local pedoclimatic conditions, it is important to evaluate yield in the context of soil-specific characteristics. The current study used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::967139253f68b1ee3ab180c31d4de08b
https://doi.org/10.1016/j.biombioe.2011.08.018
https://doi.org/10.1016/j.biombioe.2011.08.018
Publikováno v:
Geoderma. 163:74-82
Soil bulk density (D b ) is an important indicator of soil quality, site productivity and soil compaction and is widely used as an input variable for various models. However, D b is often not determined during actual soil surveys, and many attempts h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::812c068b1fd7236b5294ff4ccdeaa8da
https://doi.org/10.1016/j.geoderma.2011.04.005
https://doi.org/10.1016/j.geoderma.2011.04.005
Autor:
Peeter Muiste, Hugo Roostalu, Kalev Sepp, Alar Astover, Merrit Noormets, Liia Kukk, Elsa Suuster
Publikováno v:
Acta Agriculturae Scandinavica, Section B - Plant Soil Science. 60:166-173
The current study locates and quantifies abandoned agricultural areas using the Geographic Information System (GIS) and evaluates the suitability of abandoned fields for bio-energy production in Tartumaa (Tartu County) in Estonia. Soils of abandoned
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::513bd78eabf5c08f55de5c9b869edb44
https://doi.org/10.1080/09064710902798311
https://doi.org/10.1080/09064710902798311
Publikováno v:
Acta Agriculturae Scandinavica, Section B - Plant Soil Science. 59:70-76
A field experiment was conducted in 2004–2006 to investigate the effect of green manure treatments on the yield of oats and spring barley. In the experiment, different green manure crops with undersowing and pure sowing were compared for amounts of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f59c03b19c0094477d3e0a1832684eb
https://doi.org/10.1080/09064700801906198
https://doi.org/10.1080/09064700801906198
Autor:
Hugo Roostalu, Nikolay Vasiliev, Alar Astover, Illar Lemetti, Enn Lauringson, Priit Penu, Are Selge, Mati M tte, Toomas T rra, Liina Talgre
Publikováno v:
Archives of Agronomy and Soil Science. 52:223-231
The aim of the present study was to assess the impact of changes in agricultural land use and in the plant nutrient balances on the degradation of soils in Estonia. The plant nutrient balances of arable soils in Estonia were calculated at the nationa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19411ef6ae360d1edfa717e82acf188a
https://doi.org/10.1080/03650340600638883
https://doi.org/10.1080/03650340600638883
Publikováno v:
Agricultural and Food Science, Vol 15, Iss 2 (2008)
Agricultural and Food Science
Agricultural and Food Science
The success of the decision support systems, developed within GIS with application of different models, depends on the quality of initial data and the models themselves as well as on the possibilities of their linking. The aim of the present study wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67318b114be636f546429ad6199e3b29
https://journal.fi/afs/article/view/5833
https://journal.fi/afs/article/view/5833
Autor:
Are Kont, Tiiu Koff, Jaan-Mati Punning, Hugo Roostalu, Toomas Tamm, Jaak Jaagus, M. Mandre, Jaan Klõšeiko
Publikováno v:
Environmental Science and Technology Library ISBN: 9789048147267
Because of its geography, wide coastal areas, water resources, forests, and wetlands, the environment of Estonia is sensitive to climate change and sea level rise. Therefore, the vulnerability and adaptation assessments focused on these sectors. This
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a47e6b152a6a147b25e97d4f95314992
https://doi.org/10.1007/978-94-017-3653-4_12
https://doi.org/10.1007/978-94-017-3653-4_12
Autor:
Alar Astover, Eduard Matveev, Endla Reintam, Mati Mõtte, Nikolay Vasiliev, Hugo Roostalu, Merrit Noormets
Publikováno v:
Agricultural and Food Science
Agricultural and Food Science, Vol 17, Iss 1 (2008)
Agricultural and Food Science, Vol 17, Iss 1 (2008)
The aim of this study is to analyse the efficiency of Estonian grain farms after Estonias transition to a market economy and during the accession period to the European Union (EU). The non-parametric method Data Envelopment Analysis (DEA) was used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdaddce3c6e790e92f3a2d907130391f
https://doi.org/10.2137/145960608784182272
https://doi.org/10.2137/145960608784182272