Now showing items 392-411 of 727

    • La fertilización de la alfalfa 

      Lloveras Vilamanyà, Jaume; Chocarro, Cristina; Santiveri Morata, Paquita (Gestora de Comunicaciones de Castilla y León, 2013)
      La alfalfa es, probablemente, la leguminosa forrajera más importante del mundo, siendo los EEUU y Argentina los principales países productores, mientras que en Europa lo son Francia e Italia. En España, la alfalfa forma ...
    • La fertilización nitrogenada del maíz y el nitrógeno residual del suelo 

      Martínez de la Cuesta, Elías; Yakoub, Abdul Malek; Maresma Galindo, Ángel; Santiveri Morata, Paquita; Lloveras Vilamanyà, Jaume (Eumedia, 2015-02-15)
      Hay tres factores básicos a considerar en la producción y rentabilidad económica del maíz: la gran aportación de la mejora genética (nuevas variedades) al incremento de rendimiento del cultivo en los últimos treinta años, ...
    • La producción de semilla de maíz en Francia, un ejemplo a seguir 

      Lloveras Vilamanyà, Jaume (Eumedia, 2015-12-15)
      Francia dedica unos 3,2 millones de ha al cultivo de maíz, de las que 1 ,65 millones son para la producción de grano y el resto para la producción de maíz para ensilado. En España la superficie dedicada al cultivo es ...
    • La quinoa y su possible adaptación al valle del Ebro. 

      Macià i Rodríguez, Anna; Lloveras Vilamanyà, Jaume (Eumedia, 2018-02)
      En España, la mayor superficie de quinoa se concentra principalmente en Andalucía, donde ya se están cultivando más de 2.000 ha anuales. Pero la curiosidad por este cultivo, creemos que se ha extendido en los últimos años ...
    • Laboratory tests with Lepidoptera to assess non-target effects of Bt maize pollen: analysis of current studies and recommendations for a standardised design 

      Lang, Andreas; Lee, Marina S.; Dolek, Matthias; Berchtold, Julitta; Otto, Mathias (Springer Nature, 2019-06-21)
      Background and approach Common standards for laboratory studies of non-target organisms are recognised as prerequisite to assist the risk assessments regarding the evaluation of environmental effects of transgenic crops. ...
    • Laboreo de conservación en cultivos herbáceos extensivos en Cataluña 

      Cantero-Martínez, Carlos; Vilardosa i Puiggené, Josep M.; Lloveras Vilamanyà, Jaume (Eumedia, 1995)
    • Lack of thinning effects over inter-annual changes in soil fungal community and diversity in a Mediterranean pine forest 

      Castaño Soler, Carles; Alday, Josu G.; Lindahl, Björn D.; Martínez de Aragón, Juan; Miguel Magaña, Sergio de; Colinas, C. (Carlos); Parladé Izquierdo, Xavier; Pera i Álvarez, Joan; Bonet Lledos, José Antonio (Elsevier, 2018)
      Predicted changes in global climate might negatively affect the soil microbiome and associated ecosystem processes in Mediterranean forests. Forest treatments, such as forest thinning, have been suggested to mitigate climate ...
    • Lack of phylogenetic differences in ectomycorrhizal fungi among distinct mediterranean pine forest habitats 

      Adamo, Irene; Castaño Soler, Carles; Bonet Lledos, José Antonio; Colinas, Carlos; Martínez de Aragón, Juan; Alday, Josu G. (MDPI, 2021)
      Understanding whether the occurrences of ectomycorrhizal species in a given tree host arephylogenetically determined can help in assessing different conservational needs for each fungalspecies. In this study, we characterized ...
    • Large wildland fires and extreme temperatures in Sardinia (Italy) 

      Molina Terrén, Domingo; Cardil Forradellas, Adrián; Spano, Donatella; Salis, Michele; Delogu, Giuseppe (Italian Society of Silviculture and Forest Ecology (SISEF), 2014)
      Heat-wave events are commonly recognized as adverse impacts on agriculture, forests, and economic activities. Several studies showed that future climate changes in the western Mediterranean Basin will lead to an increase ...
    • Large wildland fires in three diverse regions in Spain from 1978 to 2010 

      Cardil Forradellas, Adrián; Molina Terrén, Domingo (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2013)
      Aim of study: Large wildland fires (LWF) are major disturbance processes affecting many ecosystems each year. In last decades, socio-economic changes have contributed to major changes in land uses. This study assess trends ...
    • Las invasiones vegetales en sistemas agrícolas. Retrospectiva de los últimos 40 años en Cataluña 

      Recasens i Guinjuan, Jordi; Conesa i Mor, Josep A. (Josep Antoni); Juárez Escario, Alejandro (Asociación Interprofesional para el Desarrollo Agrario (AIDA), 2020)
      Los sistemas agrícolas son una de las vías preferentes de introducción de especies vegetales exóticas y la perturbación asociada a estos hábitats ha favorecido muchos casos de invasión. Sin embargo, el estudio de este ...
    • Las plagas de la alfalfa y su control químico y biológico 

      Almacellas Gort, Jaume; Perdiguer Brun, Agustín (Mapama, 2007)
      La alfalfa es el tercer cultivo forrajero en España en cuanto a superficie y el primero en producción cosechada. El 2006 se cultivaron unas 255.700 ha (MAPA, 2007) de las cuales el 75% aproximadamente está en regadío, con ...
    • Las repoblaciones forestales como paradigma de "bienes con efectos públicos" 

      Aunós Gómez, Álvaro (Espanya. Ministerio de Agricultura, Pesca y Alimentación, 1990)
    • Leafroller-induced phenylacetonitrile and acetic acid attract adult Lobesia botrana in European vineyards 

      El-Sayed, Ashraf M.; Sporle, Andrew; Gemeno Marín, César; Jósvai, Júlia K.; Simmons, Gregory S.; Suckling, David M. (De Gruyter, 2019-08-30)
      We recently identified unique caterpillar-induced plant volatile compounds emitted from apple leaves infested with the larvae of various leafroller species. In subsequent field tests, binary blends of phenylacetonitrile+acetic ...
    • Life after harvest: circadian regulation in photosynthetic pigments of rocket leaves during supermarket storage affects the nutritional quality 

      Ruiz de Larrinaga, Lorena; Resco de Dios, Víctor; Fabrikov, Dmitri; Guil Guerrero, José Luis; Becerril, José María; García-Plazaola, José Ignacio; Esteban, Raquel (MDPI, 2019-07-04)
      Vegetables, once harvested and stored on supermarket shelves, continue to perform biochemical adjustments due to their modular nature and their ability to retain physiological autonomy. They can live after being harvested. ...
    • Linkages between climate, seasonal wood formation and mycorrhizal mushroom yields 

      Primicia, Irantzu; Camarero Martínez, Jesús Julio; Martínez de Aragón, Juan; Miguel Magaña, Sergio de; Bonet Lledos, José Antonio (Elsevier, 2016)
      Fungi provide important forest ecosystem services worldwide. In Mediterranean pine forests, predicted warmer and drier conditions could lead to a decline in mushroom yields. Climate is a key factor regulating both tree ...
    • Linking Forest Flammability and Plant Vulnerability to Drought 

      Nolan, Rachael H.; Blackman, Chris J.; Resco de Dios, Víctor; Choat, Brendan; Medlyn, Belinda E.; Li, Ximeng; Bradstock, Ross A.; Boer, Matthias M. (MDPI, 2020-07-20)
      Globally, fire regimes are being altered by changing climatic conditions. New fire regimes have the potential to drive species extinctions and cause ecosystem state changes, with a range of consequences for ecosystem ...
    • Long-term effect of different tillage systems on the emergence and demography of Bromus diandrus in rainfed cereal fields 

      Recasens i Guinjuan, Jordi; García, Addy Laura; Cantero-Martínez, Carlos; Torra Farré, Joel; Royo-Esnal, Aritz (European Weed Research Society, 2016)
      The adoption of no-tillage systems in semi-arid cereal fields in northern Europe has resulted in difficulties in controlling Bromus diandrus. However, in some fields, lower densities are observed in continuous long-term ...
    • Long-term irrigation effects on Spanish holm oak growth and its black truffle symbiont 

      Büntgen, Ulf; Egli, Simon; Schneider, Loic; Von Arx, Georg; Rigling, Andreas; Camarero Martínez, Jesús Julio; Sangüesa Barreda, Gabriel; Fischer, Christine; Oliach, Daniel; Bonet Lledos, José Antonio; Colinas, C. (Carlos); Tegel, Willy; Ruiz Barbarin, José I.; Martínez Peña, Fernando (Elsevier, 2015)
      The Périgord black truffle is an exclusive culinary delicacy, but its Mediterranean harvests have declined, despite cultivation efforts since the 1970s. The role of long-term irrigation, symbiotic fungus-host interaction, ...
    • Long-term no-till as a means to maintain soil surface structure in an agroecosystem transformed into irrigation 

      Pareja Sánchez, Evangelina; Plaza Bonilla, Daniel; Ramos Martín, Ma. C. (Ma. Concepción); Álvaro-Fuentes, Jorge; Lampurlanés Castel, Jorge; Cantero-Martínez, Carlos (Elsevier, 2017)
      The aim of this study was to determine the most appropriate soil management to reduce the structural degradation of soils susceptible to crusting in Mediterranean areas recently transformed into irrigation. A long-term ...