Results 121 to 130 of about 397,795 (343)

An agronomic evaluation of sunflower (Helianthus annuus L.) in a mediterranean-type environment [PDF]

open access: yes, 1983
Thesis (M.Ag.Sc.) -- University of Adelaide, Dept.
Potter, Trent Dawson
core  

Transformative Approaches in Transitioning to a Circular Sanitation Bioeconomy in South Africa: A Scoping Review

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Transitioning from linear flow resource management practices to a circular sanitation bioeconomy needs a transformative approach. In South Africa, the management of human excreta through resource recovery and reuse (RRR) has been widely researched and piloted.
William Musazura   +2 more
wiley   +1 more source

How can the data revolution help deliver better agronomy to smallholder farmers in Africa? [PDF]

open access: yes, 2019
Poster prepared for a share fair, Addis Ababa, May ...
Chamberlin, Jordan
core  

Environmental Strategies in the Brazilian Sugar‐Energy Sector: Drivers, Performance, and Competitiveness

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study examines the drivers influencing environmental strategy adoption within the Brazilian sugar‐energy sector, focusing on 12 medium to large‐sized mills. It explores the relationship between external/internal pressures, operational performance, and competitiveness.
Hugo Carlos Dornfeld   +3 more
wiley   +1 more source

Antimicrobial Activity and Chemical Constituents of Siparuna guianensis (Siparunaceae)

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT Siparuna guianensis (Siparunaceae) is an Amazonian plant known by the popular name of Negramina. There are several reports of the use of this plant in folk medicine. In the present work, we decided to study its extracts, aiming at the isolation of compounds and verifying their antimicrobial activities.
Olência Mento Manuensa Vilanculo   +7 more
wiley   +1 more source

Effect of substrates on germination and seedling emergence of sunflower (Helianthus annuus L.) at the Yongka Western Highlands Research/Garden Park, Bamenda-Cameroon [PDF]

open access: yes, 2015
A study was carried out at the Yongka Western Highlands Research Garden Park, Nkwen­Bamenda in Cameroon to evaluate the effect of substrates on the germination and seedling emergence of sunflower (Helianthus annuus L.).
Fokou, L.   +4 more
core   +2 more sources

Seasonal Effect on the Chemical Composition of Mimosa tenuiflora (Willd.) Poir Stem Bark from the Semi‐Arid Region of Pernambuco, Brazil

open access: yesChemistry &Biodiversity, EarlyView.
Investigation of the seasonal influence of environmental factors on the production of secondary metabolites in Mimosa tenuiflora stem bark by Principal Component Analysis (PCA). ABSTRACT Mimosa tenuiflora (Willd.) Poir., known as “Jurema‐preta”, is a species of ethnobotanical relevance, used in traditional medicine.
Nathália Andrezza Carvalho de Souza   +9 more
wiley   +1 more source

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