Results 51 to 60 of about 243,771 (308)
Scientia Agricola, 2014 Most Amazonian soils are highly weathered and poor in nutrients. Therefore, photosynthesis and plant growth should positively respond to the addition of mineral nutrients.
Nilvanda dos Santos Magalhães +2 more
doaj +3 more sources
The effects of implementing management practices on somatic cell count levels in bovine milk
Animal, 2021 Somatic cell count (SCC) can be used as a proxy for the prevalence of mastitis in a herd, reflecting the hygiene conditions and management practices on dairy farms, and thus an indicator of milk quality. In this study, we investigated how the adoption of
R.K.R. Vieira +5 more
doaj +1 more source
Advanced Science, EarlyView.Plant‐based nanomaterials derived from alfalfa serve as dual‐function catalysts, coupling photodegradation and phytoremediation to degrade polyethylene under UV‐A light and in soil. The nanomaterials work synergistically with alfalfa and soil microbes, achieving efficient plastic breakdown without trophic transfer.
Haoran Liu +4 more
wiley +1 more source
Biochemical metabolism of young plants of Ucuúba (Virola surinamensis) in the presence of cadmium
BMC Plant Biology, 2021 Virola surinamensis is a forest species widely distributed in the estuaries of the Amazon. These ecosystems are susceptible to contamination by Cadmium (Cd), indicating that the plant has strategies for tolerating this metal. The aim of this study was to
W. V. Andrade Júnior +9 more
doaj +1 more source
Malaria diagnosis under field conditions in the Venezuelan Amazon.
, 2008 To improve practical, accurate diagnosis of malaria in the Amazon rainforest of Venezuela, two rapid diagnostic tests (RDT) (OptiMAL-IT) and FalciVax) and a laboratory light microscope, used in the field with a battery-operated head lamp as an external ...
Fanello, C. I. +15 more
core +1 more source
Seroprevalence of Kaposi sarcoma-associated herpesvirus and other serologic markers in the Brazilian Amazon. [PDF]
, 2009 To determine the presence of Kaposi sarcoma-associated herpesvirus (KSHV) and other serologic markers, we tested serum specimens of 339 Amerindians, 181 rural non-Amerindians, and 1,133 urban blood donors (13 Amerindians) in the Brazilian Amazon.
Mascheretti, Melissa +27 more
core +1 more source
Advanced Science, EarlyView.Low latency carbon budget estimates for July 2024–June 2025 combine atmospheric CO2 growth rates, fossil emissions, ocean uptake, DGVM land fluxes, and OCO‐2 inversions. The budget shows that late‐2024 land carbon losses dominate the annual anomaly, while early‐2025 recovery differs between bottom‐up models and top‐down inversions, especially in ...
Piyu Ke +32 more
wiley +1 more source
Land Use and Transportation Costs in the Brazilian Amazon [PDF]
Transport infrastructure improvements are considered to be one of the most effective tools for stimulating economic activity; at the same time environmentalists have largely condemned most road building as being one of the greatest threats to tropical ...
Diana Weinhold, Eustaquio Reis
core +2 more sources
Assessing the Impact of Promotions on Consumer Purchasing Behavior During Crises
Agribusiness, EarlyView.ABSTRACT Understanding how households modify their food expenditure decisions during times of crisis is essential because consumer purchasing behavior frequently changes during these times. This study looks at these behavioral shifts during the COVID‐19 pandemic, concentrating on how price sensitivity and response to sales promotions changed over the ...
Wafa Mehaba, José María Gil
wiley +1 more source