Home Itens selecionados Provedores de dados OAI Créditos Sobre Ajuda

			Busca avançada
	Provedor de dados Organic Eprints (2) Autor Anon, (1) Grundy, Dr Andrea (1) Palavra-chave Crop health (2) Protection Vegetables Technology transfer (2) Quality (2) Tipo do documento Report (2) Ano 2006 (1) 2002 (1) País Germany (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Using weeds to reduce pest insect numbers in organic vegetable crops - a desk study (OF0329) Organic Eprints Grundy, Dr Andrea. At present, weeds and pest insects are two of the major constraints to the production of high quality organic vegetable crops, primarily because the range of control measures available to UK growers is extremely limited. Several studies have shown that the numbers of pest insects found on crop plants are reduced considerably when the crops are allowed to become weedy. However, if weeds are not removed by a certain stage of crop growth, they start to compete with the crop plants and yield begins to decline. Warwick HRI already has models that are used independently to predict both the onset of weed competition and the timing of pest insect attacks. However, in practice, growers have to manage weeds and pest insects at the same time and hence the decisions... Tipo: Report Palavras-chave: Crop health; Quality; Protection Vegetables Technology transfer. Ano: 2006 URL: http://orgprints.org/6762/1/using_weeds_to_reduce_pest_numbers_in_organic_vegetable_crops_%2D_a_desk_study_of0329.pdf Desk study to apply knowledge developed for conventional horticulture to the control of pests in organic vegetables (OF0179) Organic Eprints Anon,. This is the final report for Defra project OF0179. The demand for organic vegetable and salad crops is likely to increase as a result of the projected requirements of the multiple retailers. The threat of yield and quality reductions due to pest damage is a major constraint to increasing the organic vegetable crop area. The aim of this project is to demonstrate how methods of pest control developed for conventional vegetable production can be adapted for use by organic growers. The project concentrates on the pest insects that cause damage to umbelliferous and cruciferous vegetable crops. Umbelliferous crops are attacked by one major pest insect, the carrot fly (Psila rosae), and two minor pests, whereas cruciferous crops are attacked by about eight... Tipo: Report Palavras-chave: Crop health; Quality; Protection Vegetables Technology transfer. Ano: 2002 URL: http://orgprints.org/8070/2/OF0179_2550_FRP.pdf Registros recuperados: 2 Primeira ... 1 ... Última

Empresa Brasileira de Pesquisa Agropecuária - Embrapa Todos os direitos reservados, conforme Lei n° 9.610 Política de Privacidade Área restrita		Embrapa Parque Estação Biológica - PqEB s/n° Brasília, DF - Brasil - CEP 70770-901 Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco