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| Registros recuperados: 67 | |
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| Dybek, Mr Konrad. |
| The paper examines the profitability of twelve polytunnel vegetable crops grown for an organic box scheme in Scotland. All inputs attributable to specific crops, labour in particular, were recorded during 2008 growing season and expressed in monetary values. Costs of the tunnel construction and maintenance have also been included. Based on sales data and inputs, annual net margins were calculated. Assuming the cost of labour as 7.25 £/hour only five of twelve vegetables were profitable. Results varied from 25.2 £/m2/year for cucumbers to -9.7 £/m2/year (loss) for batavian lettuce, average for all the crops was 3.38 £/m2/year. No significant difference in profitability could be ascertained between the following cultural methods: direct sown versus... |
| Tipo: Journal paper |
Palavras-chave: Vegetables; Greenhouses and coverings; Farm economics. |
| Ano: 2009 |
URL: http://orgprints.org/15896/1/Dybek_Konrad_polytunnel_study2009.pdf |
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| CASALI, C. A.. |
| The thesis objective was to evaluate the forms of accumulation and release of phosphorus from cover crops waste under long time of different soil management systems and its relationship with the soil phosphorus forms. The experiment was established in 1986 on an Oxisol in the IAPAR experimental station in Pato Branco, Paraná State, Brazil. The treatments consisted of six winter cover crops (blue lupine, vetch, oats, radish, rye and wheat) and the winter fallow treatment, cultivated under no-tillage (NT) and conventional (CT). In September 2011 were collected soil samples (0-5 and 5-10 cm) and the shoots of winter cover crops. Confected litterbags (0.2 x 0.2 m) were collected at 7, 14, 28, 56 and 112 days after the cover crops management. In the residues... |
| Tipo: Thesis |
Palavras-chave: Crop combinations and interactions; Nutrient turnover; Soil tillage; Greenhouses and coverings. |
| Ano: 2012 |
URL: http://orgprints.org/29911/1/tese%20Carlos%20Alberto%20Casali.pdf |
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| CASALI, C.A.; KAMINSKI, J.; SANTOS, D.R.; CALEGARI, A.; PICCIN, R.; GEBERT, F.H.; BELLINASO, R.J.S.; ROSSATO, L.F.R.. |
| As plantas de cobertura propiciam a proteção e a reciclagem de nutrientes do solo, como o fósforo (P). Contudo, o teor e as formas de acúmulo de P podem variar entre espécies e sistemas de manejo de solo. O objetivo do trabalho foi avaliar as formas de acúmulo de P no tecido vegetal de plantas anuais de inverno, manejadas sob Sistema Plantio Direto (SPD) e Cultivo Convencional (SCC). O experimento foi instalado em 1986 no Instituto Agronômico do Paraná, em Pato Branco-PR, sobre um Latossolo Vermelho aluminoférrico. Ele se baseia no uso de seis plantas anuais de inverno (trigo, aveia branca, centeio, ervilhaca, nabo forrageiro e tremoço azul) que foram manejadas sob SPD e SCC. Em maio de 2011 as espécies foram semeadas, sem o uso de fertilizantes, e em... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop combinations and interactions; Nutrient turnover; Soil tillage; Greenhouses and coverings. |
| Ano: 2012 |
URL: http://orgprints.org/29924/1/2012%20-%20Casali%20-%20Fertbio%20Formas%20de%20f%C3%B3sforo.pdf |
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| Approx 5000 m2 space in various sizes of compartment with heating, lighting, forced fan ventilation, shade screen, A/C and pollen filtration. Virus glasshouse Unit (10 A/C compartments) in self contained quarantine unit with own potting area and autoclave. Range of polytunnels, cold frames and sandbeds. |
| Tipo: Research facility description |
Palavras-chave: Greenhouses and coverings. |
| Ano: 2024 |
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| Schiedeck, Gustavo. |
| Entre janeiro e abril de 2000 foi realizado um experimento no campus da Universidade Federal de Pelotas, RS, com o objetivo de caracterizar a ambiência do abrigo plástico e verificar sua interação com o cultivo de meloeiro (Cucumis melo L.) sob adubação orgânica em comparação à adubação mineral. Foi utilizada uma estufa plástica tipo Túnel Alto, com área de 307,3 m2 e 941,3 m3 de volume, disposta no sentido Norte-Sul e coberta com PEBD de 150^ Foram testados 8 tratamentos à base de vermicomposto bovino, cinza de casca de arroz e adubo mineral, seguindo a recomendação oficial de adubação. A cultivar utilizada foi a híbrida Trusty SLS, conduzida tutorada, na densidade de 4 plantas.m'2, em canteiros cobertos com plástico preto de 50^. A semeadura foi... |
| Tipo: Thesis |
Palavras-chave: Social aspects; Greenhouses and coverings; Fruit and berries. |
| Ano: 2002 |
URL: http://orgprints.org/24988/1/Schiedeck_Ambi%C3%AAncia.pdf |
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| PICCIN, R.; KAMINSKI, J.; CASALI, C.A.; CALEGARI, A.; GEBERT, F.H.; SARTORI, R.J.B.; GUBIANI, E.; ROSSATO, L.F.R.. |
| O sistema de manejo pode afetar a disponibilidade de nutrientes para as plantas, em decorrência do sistema de rotação de culturas e da quantidade de resíduo vegetal presente na superfície do solo. O objetivo deste trabalho foi avaliar a quantidade de nitrogênio (N) e fósforo (P) acumulados no tecido vegetal de aveia preta, trigo, centeio, ervilhaca, nabo e tremoço azul, além de verificar seu estado nutricional de N e P. O experimento esta instalado no Instituto Agronômico do Paraná (IAPAR) em Pato Branco, Paraná, em um Latossolo Vermelho aluminoférrico. Em maio de 2011 os tratamentos foram semeados, sendo seis plantas de cobertura: trigo, aveia preta, centeio, ervilhaca, nabo forrageiro e tremoço azul cultivados sob Sistema Plantio Direto (SPD) e Sistema... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Nutrient turnover; Soil tillage; Greenhouses and coverings; Farm nutrient management. |
| Ano: 2012 |
URL: http://orgprints.org/29926/1/2012%20-%20Piccin%20-%20Fertbio.pdf |
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| Engindeniz, Sait; Tuzel, Yuksel. |
| Health issues and environmental concerns have drawn the attention to organic agriculture aiming to protect the natural balance and to produce without damaging the environment. This study aims determining economic feasibility of organic greenhouse lettuce (Lactuca sativa L.) in an on farm trial, to foster organic greenhouse vegetable production in the preservation area of Tahtali Dam, projected as the sole water resource of Izmir,Turkey’s third largest. A 384 m2 greenhouse, constructed of galvanized metal tubing anchored and covered with a polyethylene was analyzed to identify typical operation procedures,and to determine unitary construction and operation cost. Organic lettuces were produced during autumn season of 2001-2002, testing different organic... |
| Tipo: Journal paper |
Palavras-chave: Farm economics; Vegetables; Greenhouses and coverings. |
| Ano: 2006 |
URL: http://orgprints.org/20409/1/Engindeniz_economic.pdf |
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| Tittarelli, Fabio. |
| Project flyer of the Greenresilient project. The main objective of the Greenresilient project (Organic and bio-dynamic vegetable production in low-energy GREENhouses – sustainable, RESILIENT and innovative foodproduction systems) is to demonstrate that an agroecological approach to greenhouse production is feasible and allows the establishment of robust agroecosystems in different European areas. |
| Tipo: Other |
Palavras-chave: Greenhouses and coverings. |
| Ano: 2018 |
URL: http://orgprints.org/33541/1/greenresilient_leaflet.pdf |
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| del Pino, Mariana; Nico, Andres; Granitto, Georgina; Gamboa, Susana; Pineda, Carlos. |
| A significant increase in the domestic organic market, especially in Buenos Aires city can be observed in Argentina. Horticultural products represent a large percentage of the total organic volume traded. Within these, increasingly evident interest in heritage type products, niche type or heirloom can be observed. As the development of these products is almost incipient, varieties of tomatoes were rescued to characterize its production profile for possible adoption by organic horticultural producers in the area of Buenos Aires. A greenhouse trial with 14 varieties of tomatoes was developed. They were: PeaceVein, Ildi Red and Yellow, Black Plum, Chadwick, Saint Pierre, Thessaloniki, TSW10, Platense Gentile, Money maker, Mars, Uco Plata and the hybrid Koyi... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop combinations and interactions; Farming Systems; Greenhouses and coverings. |
| Ano: 2014 |
URL: http://orgprints.org/24108/1/24108_MM.pdf |
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| Perkons, Ute. |
| Die Nachfrage nach frischem vielfältigem und regionalem Gemüse steigt. Der Großteil des Gemüses wird im Winter entweder importiert oder in geheizten Gewächshäusern angebaut und ist durch einen hohen Energieverbrauch charakterisiert. Im Versuchszentrum Gartenbau der Landwirtschaftskammer NRW in Köln Auweiler wurde zur Erweiterung der Angebotspalette eine Salatmischung aus kältetoleranten Arten untersucht. Die Mischung umfasste Asia-Salate (z. B. Blattsenf, Mizuna, Pak-choi), Sauerampfer, Hirschhornwegerich, Endivie und Speisechrysantheme. Der Anbau im Versuch und in Praxisbetrieben und erwies sich in drei Jahren als unproblematisch. Die Mischung wurde sowohl optisch als auch geschmacklich sehr gut von den Verbrauchern angenommen. Besonders für direkt... |
| Tipo: Report |
Palavras-chave: Markets and trade; Vegetables; Greenhouses and coverings. |
| Ano: 2017 |
URL: http://orgprints.org/31748/1/31748-11OE038-lwk-nrw-perkons-2017-frischgemuese-folientunnel.pdf |
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| Registros recuperados: 67 | |
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