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Reply of mulch systems on weeds and yield components in potatoes Organic Eprints
Dvorak, Petr; Tomasek, Jaroslav; Hamouz, Karel; Kuchtova, Perla.
Surface mulch is an important factor of soil protection technology in the cultivation of potatoes. Presented herein are the results of three years (2009–2011) of field trials at two sites (Leškovice and Uhříněves), where two cultivars (Finka and Katka) were grown. Three mulching treatments (grass mulch after planting, grass mulch before germination and black polypropylene mulch textile) were used in the study. The weight of marketable tubers (tuber over 40 mm) and tuber size distribution were influenced significantly by mulching. The application of grass mulch on surface of the row ensured a 20.5–24.8% increase of weight of marketable tubers and higher occurrence of tubers over 56 mm (resp. tubers 56–60 mm and over 60 mm). There was no consistent effect of...
Tipo: Journal paper Palavras-chave: Production systems; Soil; Weed management.
Ano: 2015 URL: http://orgprints.org/29446/1/Dvo%C5%99%C3%A1k%20final%20version.pdf
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Mák setý v ekologickém zemědělství Organic Eprints
Kuchtova, Perla.
Přes značnou kulinářskou oblibu a mimořádný zájem trhu zaznamenaly plochy máku setého v ČR meziročně pokles o více než 42 procent. V letošním roce to bylo 18 300 hektarů, zatímco v roce 2011 bylo mákem oseto 31 500 hektarů. Bohužel, v ekologickém zemědělství zůstává mák marginální plodinou.
Tipo: Newspaper or magazine article Palavras-chave: Crop husbandry.
Ano: 2012 URL: http://orgprints.org/24897/1/m%C3%A1k%20set%C3%BD.pdf
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Debaty o GM plodinách neutichají Organic Eprints
Kuchtova, Perla; Kettnerova, Miloslava.
Zákazem kukuřice MON 810 (Monsanto) a brambor Amflora (BASF) se Polsko 2. ledna letošního roku připojilo k šesti evropským zemím, tedy Rakousku, Německu, Francii, Řecku, Maďarsku a Lucembursku, které zakazují na svém území pěstování geneticky modifikovaných (GM) plodin. Aktuálně je Polsko české spotřebitelské veřejnosti prezentováno jako nezodpovědný producent a vývozce pochybných až nebezpečných potravin, proto by ji mohla překvapit skutečnost, že polským úřadům leží na srdci rizika spojovaná s transgenními plodinami.
Tipo: Newspaper or magazine article Palavras-chave: Values; Standards and certification Environmental aspects.
Ano: 2013 URL: http://orgprints.org/24904/1/kuku%C5%99ice.pdf
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BLACK POLYPROPYLENE MULCH TEXTILE IN ORGANIC AGRICULTURE Organic Eprints
Dvorak, Petr; Hajšlová, Jana; Hamouz, Karel; Schulzová, Věra; Kuchtova, Perla; Tomasek, Jaroslav.
Black polyethylene mulch is used for weed control in a range of crops under the organic system. The use of black polypropylene mulch is usually restricted to perennial crops. The trial was conducted at Experimental station of Department of Crop Production of the Czech University of Life Science Prague-Uhříněves in Czech Republic. For the experiments were used black polypropylene woven mulch (comparison wit bare soil), two varieties of early potatoes Finka and Katka. Black polypropylene textile was used in potatoes by organic agriculture and it had positive effect on soil temperature (in the depth of 100 mm). Slightly higher soil temperatures under black polypropylene mulch in the vegetation period after planting had favourable influence on earlier stands...
Tipo: Journal paper Palavras-chave: "Organics" in general; Farming Systems; Knowledge management.
Ano: 2010 URL: http://orgprints.org/20582/1/%C4%8Dl%C3%A1nek_Rumunsko%2C_52_1_116%2D120.pdf
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Results of trials with poppy seed (Papaver somniferum) in organic and integrated production technology. Organic Eprints
Kuchtova, Perla; Plachka, Eva; Hajkova, Miroslava; Kazda, Jan; Dvorak, Petr.
The influence of organic and integrated management practices on poppy yield, pests and disease incidence was assessed in field trials in 2009. Crop management based on mineral fertilisers application and chemosynthetic pesticides treatment significantly increased the yield of poppy compared to organic crop protection and organic management of fertilization. Integrated crop protection decreased harmfulness of pests as rate of infectious diseases observed on capsules during harvest.
Tipo: Conference paper, poster, etc. Palavras-chave: Cereals; Pulses and oilseeds.
Ano: 2010 URL: http://orgprints.org/20300/3/piestany_final.pdf
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