Results 81 to 90 of about 10,089,723 (334)

Diferencias en las características foliares de Rhizophora mangle Linn. en dos zonas del manglar de Tuxpan, Veracruz

open access: yesRevista Biológico Agropecuaria Tuxpan, 2016
Los manglares son ecosistemas importantes que prestan innumerables servicios ambientales. Sin embargo, pese a su importancia y a la protección de distintas normas nacionales e internacionales, la tasa de pérdida de estos ecosistemas es alta, en gran ...
Arianna Rubí González Sánchez   +3 more
doaj   +1 more source

Crecimiento vegetativo y reproductivo de dos CVS. de manzanas sobre distintos portainjertos, en un huerto de la VII Region. [PDF]

open access: yes, 2003
Resumen (Spanish, English)61 p.El objetivo de este ensayo fue evaluar el crecimiento vegetativo (brotes, troncos y hojas de dardos y brotes) y de frutos de manzano (Malus sylvestris L. Mill. var. Domestica Borkh.), cv.
Beltran Mejias, Cesar Antonio   +2 more
core  

CO2 Fluxes and Soil Responses to Straw and Herbicide in Peanut

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Peanut cultivation plays an important agronomic role in Brazil, especially in rotation with sugarcane, promoting biological nitrogen fixation and improving soil quality. This study aimed to test the hypothesis that the combined use of sugarcane mulch, peanut cultivation, and herbicide application would affect soil CO₂ fluxes, soil chemical ...
Heytor Lemos Martins   +7 more
wiley   +1 more source

BIOLOGIA E CONSUMO FOLIAR POR Urbanus esmeraldus BUTLER (LEPIDOPTERA: HESPERIIDAE) EM TRÊS ESPÉCIES DA FAMÍLIA LEGUMINOSEAE [PDF]

open access: yesFloresta e Ambiente
RESUMO A biologia e consumo foliar por Urbanus esmeraldus (Lepidoptera: Hesperiidae) foram avaliados em Centrosema pubescens, Clitoria fairchildiana, Galactia striata e numa alimentação alternada, com Centrosema pubescens e Clitoria fairchildiana.
Juliano G. N. Wendt   +1 more
doaj  

Área Foliar e Produtividade de Forragem. [PDF]

open access: yes, 2011
bitstream/item/28405/1/ClicNews-2010-7 ...
COSTA, N. de L.   +3 more
core  

Generalist‐pollinated Arabis alpina exhibits floral scent variation at multiple scales

open access: yesNordic Journal of Botany, EarlyView.
Plants that depend on animals for reproduction often use complex floral traits to attract pollinators. Floral scent is recognized as part of the pollinator attraction module and can be shaped by plant‐pollinator interactions. In recent decades, research has started to reveal the dynamic properties of floral scent, identifying patterns of spatial and ...
Hanna Thosteman   +5 more
wiley   +1 more source

Expansão da área foliar e acumulação de matéria seca durante o estabelecimento do girassol (Helianthus annuus l.) em dois tipos de solos, a diferentes temperaturas e teores de humidade [PDF]

open access: yes, 2005
O estabelecimento de uma cultura determina em larga escala a sua produtividade e é, em grande medida, controlado pela temperatura e pela humidade do solo.
Abreu, Francisco, Andrade, José
core  

Comportamiento a campo de Pinus ponderosa inoculado con hongos ectomicorrícicos plantado en pastizales de estepa en Patagonia Andina, Argentina [PDF]

open access: yes, 2016
Pinus ponderosa es la especie forestal más plantada en el área de ecotono de Patagonia, Argentina, sujeta a estrés hídrico y clima mediterráneo. Los hongos ectomicorrícicos forman asociaciones obligadas y mutuamente beneficiosas con P.
Barroetaveña, Carolina   +3 more
core   +2 more sources

Modelos para estimativa da área foliar da mangueira utilizando medidas lineares

open access: yes, 2012
The objective was to determine the models that best describe the relationship between linear dimensions and leaf area of mango, cv. Tommy Atkins, and to establishing the correction factor.
R. T. D. Lima   +3 more
semanticscholar   +1 more source

Bottom–up and top–down drivers influence urbanization effects on insect herbivory in oaks

open access: yesOikos, EarlyView.
Urban forests provide essential ecosystem services, including pest control, biodiversity conservation, and human health benefits. Herbivory is a widespread biotic interaction that shapes ecosystem functions, such as primary productivity and soil fertility, which underpin these services.
Gabriela Quiroga   +18 more
wiley   +1 more source

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