Results 61 to 70 of about 3,813 (234)
Vollegrondsgroenten: zandgrond Zuid-Oost Nederland, 15 ha [PDF]
, 2010 Deze voorbeeldberekening geeft oriënterende ondernemers inzicht in de financiële verandering tijdens en na het omschakelen naar een biologische bedrijfsvoering. Het bedrijf is fictief maar representatief voor het gebied in Zuidoost Nederland.
Leeuwen, M.A.E., van
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Exploring marking methods for the predatory hoverfly Sphaerophoria rueppellii (Diptera: Syrphidae)
Insect Science, EarlyView.As important pollinators and predators of aphids, hoverflies play an important role in ecosystems. This study focuses on identifying the best marking technique for the model species Sphaerophoria rueppellii that can be used to track hoverfly feeding and oviposition sites, evaluating three methods: rubidium (RbCl), fluorescein, and fluorescent dusts ...
Michele Violi +4 more
wiley +1 more source
PlantyOrganic: Design and results 2012 [PDF]
, 2013 Increasingly strict legislation about fertilizer inputs and developing organic regulations are a strong stimulation to optimize the internal nutrient dynamics of organic arable farms.
Burgt, G.J.H.M., Bus, M.C.
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Determination of carbamate and urea pesticide residues in fresh vegetables using microwave-assisted extraction and liquid chromatography [PDF]
, 2009 An analytical multiresidue method for the simultaneous determination of seven pesticides in fresh vegetable samples, namely, courgette (Cucurbita pepo), cucumber (Cucumis sativus), lettuce (Lactuca sativa, Romaine and Iceberg varieties) and peppers ...
Alves, Arminda +4 more
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Stralingsafhankelijke temperatuur bij courgette
, 2005 Met een jaarverbruik van rond de 35 kuub gas per vierkante meter heeft courgette een vrij hoog energiegebruik. In een onderzoek door PPO Glastuinbouw is nagegaan of het mogelijk was om het gasverbruik te verlagen door meer stralingsafhankelijk te stoken dan in de praktijk gebruikelijk is.
J. Janse +3 more
openalex +2 more sources
Methods in Ecology and Evolution, EarlyView.Abstract Mark–recapture models are the primary framework for estimating demographic parameters in wild organisms. Complex life histories and sampling processes demand complex model formulations, yet these are vulnerable to errors in implementation and unanticipated biases.
Murray Christian +6 more
wiley +1 more source
Greenhouse Gas Emissions of Organic and Conventional Foodstuffs in Austria [PDF]
, 2010 The consumer´s choice in quality of foodstuffs can influence GHG-emissions from the food sector. Organic agriculture is discussed as a possible way to reduce GHG-emissions.
Hörtenhuber, Stefan +3 more
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Anastrepha grandis: Distribution, Host Plants, and Management—A Review
Entomologia Experimentalis et Applicata, EarlyView.This graphic summary illustrates the databases and languages used in the bibliographic search for the review of the geographic distribution of Anastrepha grandis (Diptera: Tephritidae) in the Americas and different regions of Brazil, the main host plants of the Cucurbitaceae family, the management strategies used, and the main challenges related to the
Liz Maria Matilde Duarte +2 more
wiley +1 more source
Ecotype-Level Genetic Biodiversity of Five Italian Traditional Crops
Scientifica, 2019 Italy displays a high level of agrobiodiversity due to its diversified pedoclimatic zones. The Administrative Region of Campania includes several and divergent biomes, occurring close to each other.
Francesco Guarino +4 more
doaj +1 more source
Integrated control of slug damage in organic vegetable crops- OF 0158 [PDF]
, 2002 Slugs are important pests of a wide range of organic vegetable crops, which are high quality products, desired by consumers. Slug problems are especially acute in comparison to conventional vegetable production because use of chemical control measures is
Glen, David
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