Results 61 to 70 of about 50,503 (112)

Avaliação de genótipos de girassol no Planalto Médio do Rio Grande do Sul na safra 2006/2007. [PDF]

open access: yes, 2019
bitstream/CNPT-2010/40738/1/p-bp67 ...
CARVALHO, C. G. P. de   +5 more
core   +1 more source

Ajuste de grades amostrais para o mapeamento da resistência à penetração de um Latossolo Bruno. [PDF]

open access: yes, 2017
O efeito da intensidade de amostragem na variabilidade espacial da resistência à penetração (RP) de um Latossolo Bruno sob sistema plantio direto foi avaliado em uma área de 18,9 ha localizada em Guarapuava/PR.
DEBIASI, H.   +3 more
core  

CARBON BALANCE AND VEGETATION DYNAMICS IN AN OLD‐GROWTH AMAZONIAN FOREST [PDF]

open access: yes, 2004
Amazon forests could be globally significant sinks or sources for atmospheric carbon dioxide, but carbon balance of these forests remains poorly quantified.
de Camargo, Plinio B.   +9 more
core   +2 more sources

La concentración de tierras en España [PDF]

open access: yes, 2014
Contiene la nota "Cambio de uso de tierras en Galicia", de Isabel Villalba.Hemos visto cómo en los últimos años la preocupación por el acaparamiento de tierras está muy presente en todo el mundo.
Soler Novàs, Carles
core  

CARACTERÍSTICAS Y COMPARATIVA DE LOS PRODUCTORES DE ALIMENTOS ECOLÓGICOS EN EL SURESTE DE EUROPA: EL CASO DE LA REGIÓN DE MURCIA, ESPAÑA [PDF]

open access: yes, 2009
The Region of Murcia (Spain) has one of the main areas of organic fruit and vegetable production in Europe, with extensions for some products of between 10 and 20 % of the country’s organic agriculture surface. This work contains a survey carried out
Gomez Cruz, Manuel Angel   +2 more
core  

Gathering: a survival occupation in arid zones in Mali [PDF]

open access: yes, 1995
Dans les régions sahariennes et sahéliennes, les récentes sécheresses ont creusé davantage le déficit chronique en céréales, aliments de base indispensables à la survie des populations.
Diarra, A.
core  

Natural disasters and household welfare : evidence from Vietnam [PDF]

open access: yes
As natural disasters hit with increasing frequency, especially in coastal areas, it is imperative to better understand how much natural disasters affect economies and their people.
Christiaensen, Luc   +3 more
core  

Seed-Encapsulation of Desiccation-Tolerant Microorganisms for the Protection of Maize from Drought: Phenotyping Effects of a New Dry Bioformulation. [PDF]

open access: yesPlants (Basel), 2022
Rebelo Romão I   +5 more
europepmc   +1 more source

Pb(II) Uptake from Polluted Irrigation Water Using Anatase TiO2 Nanoadsorbent. [PDF]

open access: yesMolecules, 2023
Vasquez-Caballero MA   +6 more
europepmc   +1 more source

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