Results 31 to 40 of about 7,691 (260)

Una nueva asociación prepirenaica de Asplenion petrarchae Br.-Bl. in Meier & Br.-Bl. 1934 nom. mut [PDF]

, 2003
A new Pre-Pyrenean association of Asplenion petrarchae Br.-B1. in Meier & Br.-131. 1934 nom. mut. Palabras clave. Vegetación rupícola, Asplenietea, fitosociología, sintaxonomía, España. Key words.
Coca Calvo, Beatriz, Crespo Villalba, Manuel Benito, Juan, Ana   +2 more
core   +4 more sources

Weed Occurrence in Sugarcane as Function of Variety and Ground Straw Management1 [PDF]

Planta Daninha, 2016
This study aims to verify the effect of crop varietal architecture and straw removal from planting rows in the occurrence of weeds in sugarcane and infer about the sustainability of the production system with no herbicide application.
G. CONCENÇO, J.R.A. LEME FILHO, C.J. SILVA, R.F. MARQUES, L.B.X. SILVA, I.V.T. CORREIA   +5 more
doaj   +2 more sources

Floristic composition and structure of an upper montane cloud forest in the Serra da Mantiqueira Mountain Range of Brazil

Acta Botânica Brasílica, 2014
We analyzed the community structure of an upper montane cloud forest (elevation, 1900 m) in the Serra da Mantiqueira Mountain Range, in the state of Minas Gerais, Brazil.
Patrícia Vieira Pompeu, Marco Aurélio Leite Fontes, Rubens Manoel dos Santos, Paulo Oswaldo Garcia, Talita Alves Batista, Warley Augusto Caldas Carvalho, Ary Teixeira de Oliveira Filho   +6 more
doaj   +1 more source

Weeds occurrence and importance under distinct intercropping systems Ocorrência e importância de plantas daninhas sob sistemas de consorciação de cultivos

Planta Daninha, 2011
Intercropping systems involving corn are often subjected to stress caused by weeds, which usually result in 30-70 per cent yield loss when no control practice is applied. This study aimed to assess the composition of weed communities due to soil coverage,
G Concenço, G Ceccon, F Schwerz, I.C Fonseca, L.F Leite   +4 more
doaj   +1 more source

Plant communities of Italy. The vegetation prodrome [PDF]

, 2014
The Vegetation Prodrome of Italy was promoted in 2012 by the Italian "Ministry of Environment, Land and Sea Protection", in collaboration with the "Italian Society of Botany", to provide a comprehensive and systematic catalogue and description of Italian
Bartolo G, Bartolo G, Biondi E, Biondi E, Biondi E, Biondi E, Biondi E, Blasi C, Blasi C, Blasi C, Brullo S, C. BLASI, C. Lasen, Costa JC, D. Galdenzi, Dierschke H, E. Biondi, E. Carli, E. Del Vico, F. Taffetani, G. Sburlino, Galdenzi D, Géhu J-M, I. Anzellotti, I. Vagge, L. Facioni, L. Poldini, L. Zivkovic, M. Allegrezza, M. M. Azzella, Pesaresi S, R. Copiz, R. Gasparri, Rivas-Martínez S, Rivas-Martínez S, S. Casavecchia, S. Pesaresi, S. Zitti, Theurillat JP   +38 more
core   +1 more source

Floristic diversity of the soil weed seed bank in a rice-growing area of Brazil: in situ and ex situ evaluation

Acta Botânica Brasílica, 2013
The objective of this study was to compare the ex situ and in situ floristic diversity of the soil weed seed bank of a rice field in northeastern Brazil.
Mário Luiz Ribeiro Mesquita, Leonaldo Alves de Andrade, Walter Esfrain Pereira   +2 more
doaj   +1 more source

Approach to climatophilous vegetation series of Serra da Estrela (Portugal) [PDF]

, 2012
This work contains the study results of climatophilous vegetation series from Serra da Estrela, the highest mountain on the Portuguese mainland. Located in central-northern Portugal in the Estrelensean Sector (Carpetan-Leonese Subprovince), the Serra da ...
Cano, Eusebio, Meireles, Catarina, Pinto-Gomes, Carlos   +2 more
core   +1 more source

Helianthemum sicanorum (Cistaceae), a new species from Sicily

Anales del Jardín Botánico de Madrid, 2007
Helianthemum sicanorum, an endemic species occurring on calcareous marls near Gela (S Sicily), is described and illustrated. Due to its habit and flower morphology, H. sicanorum shows close relationships with H. kahiricum Del., circumscribed to the semi-
Salvatore Brullo Brullo, Gian Pietro Giusso del Galdo, Saverio Sciandrello   +2 more
doaj   +1 more source

Quantitative analysis, distributional pattern and species diversity of woody plant species of Lamberi Forest Range, Rajouri, J&K, India [PDF]

, 2018
Quantitative analysis, distributional pattern and species diversity of woody plant species of Lamberi Range of Rajouri Forest division, J&K, has been carried out by laying 50 quadrats (10m X 10m size) for trees and 100 quadrats (5m X 5m size) for ...
Raina, Anil K., Sharma, Jyoti
core   +2 more sources

Sesleria caerulea (l.) ard. ssp calcarea (celak) hegi scop, in the North East of England an ecological study [PDF]

, 1977
Not ...
Yagoobi, Guiti Seyed
core