Results 21 to 30 of about 6,795 (205)

A simple field based method for rapid wood density estimation for selected tree species in Western Kenya [PDF]

open access: yes, 2020
Wood density is an important variable for accurate quantification of woody biomass and carbon stocks. Conventional destructive methods for wood density estimation are resource intensive, prohibiting their use, limiting the application of approaches that ...
Jamnadass, Ramni H.   +4 more
core   +1 more source

DETECÇÃO DE FUNGOS PATOGÊNICOS EM SEMENTES DE ACÁCIA-NEGRA (Acacia mearnsii De Wild) [PDF]

open access: yes, 2000
A presença de fungos pode reduzir a capacidade germinativa de um lote de sementes, causar a morte de plântulas ou transmitir doenças para plantas adultas.
Flávia Elise Meneghini dos Santos   +3 more
core   +9 more sources

Modelling crown volume in Acacia mearnsii stands [PDF]

open access: yesAfrican Journal of Agricultural Research, 2015
The aim of the present study was to model the crown volume in black wattle stands (Acacia mearnsii De Wild.) in Rio Grande do Sul, Brazil. The study was carried out in plots installed in black wattle stands in area where the plantations of the species are common.
Roberto Sanquetta Carlos   +6 more
openaire   +1 more source

Cartographie diachronique de la dynamique forestière et évolution de l'invasion des subéraies et des eucalyptaies par l'Acacia noir (Acacia mearnsii De Wild) dans le Parc National d'El Kala (Nord-Est algérien)

open access: yesPhysio-Géo, 2020
The Black Wattle (Acacia mearnsii De Wild) is now an integral part of the landscape of the El Kala region. Fifty years after its introduction, this Australian legume occupies more than 3200 ha and represents a major threat to local biodiversity.The ...
Samir Chekchaki   +2 more
doaj   +1 more source

Exploring the invasion of rangelands by Acacia mearnsii (black wattle): biophysical characteristics and management implications [PDF]

open access: yes, 2016
Australian acacias have spread to many parts of the world. In South Africa, species such as A. mearnsii and A. dealbata are invasive. Consequently, more effort has focused on their clearing.
Finca, Andiswa   +5 more
core   +1 more source

Quantificação de taninos nas cascas de jurema-preta e acácia-negra

open access: yesPesquisa Florestal Brasileira, 2016
Em função de sua complexidade química, há diversas metodologias de quantificação dos taninos vegetais. Neste sentido, o presente estudo teve como objetivo quantificar as substâncias tânicas e não-tânicas presentes nas cascas de jurema-preta (Mimosa ...
Leandro Calegari   +4 more
doaj   +1 more source

Effect of dried leaves of Leucaena leucocephala on rumen fermentation, rumen microbial population, and enteric methane production in crossbred heifers [PDF]

open access: yes, 2020
The effects of dietary inclusion of dried Leucaena leucocephala leaves (DLL) on nutrient digestibility, fermentation parameters, microbial rumen population, and production of enteric methane (CH4) in crossbred heifers were evaluated.
Aguilar-Pérez, Carlos Fernando   +6 more
core   +1 more source

Efeitos de substratos e recipientes utilizados na produção das mudas sobre a arquitetura do sistema radicular de árvores de cácia-negra Effect of nursery substrata and containers on root system architecture of black wattles trees

open access: yesRevista Árvore, 2005
O objetivo deste trabalho foi caracterizar a arquitetura do sistema radicular de árvores de acácia-negra (Acacia mearnsii) aos três anos após o plantio, em razão da combinação de oito tipos de recipientes e seis misturas de substratos usados na produção ...
Carmen Silvia Vieira Janeiro Neves   +4 more
doaj   +1 more source

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