Results 101 to 110 of about 13,616 (218)

Increasing Kenya's Agricultural Competitiveness: Farm Level Issues [PDF]

open access: yes
The objective of this paper is to address the farm level issues that affect the production costs and so the competitiveness of domestic food and commercial production.
Awour, Tom   +2 more
core   +1 more source

ALTERNTIVE PROTECTION OF BIOPOTATOES IN ORGANIC FARMING [PDF]

open access: yes, 2010
There were tested water extracts from Syringa vulgaris and Pyrethrum parthenium. They did not prove significant differences of decrease of the air attack of Colorado potato beetle (Leptinotarsa decemlineata), the activity of eggs – laying and the ...
Dvorak, Petr, Tomasek, Jaroslav
core  

Agricultural growth and investment options for poverty reduction in Rwanda: [PDF]

open access: yes
"An economywide, multimarket (EMM) model was developed for Rwanda to analyze the linkages and trade-offs between growth and poverty reduction goals at both macro- and micro-economic levels.
Diao, Xinshen   +3 more
core  

LARVACIDE EFFECT OF ETHANOL EXTRACT OF PIPERIS NIGRI FRUCTUS AGAINST AEDES AEGYPTZ LINN. LARVA [PDF]

open access: yes, 2010
Five concentration OF ethanol extract of Piperis nigri Fructus (Black pepper), i.e. 1.3.5, 7 and 9 ppm were investigated their activity against Aedes aegypti Linn. larva.
., Meyta   +2 more
core  

Adoption of Improved Wheat Technologies by Small-Scale Farmers in Mbeya District, Southern Highlands, Tanzania [PDF]

open access: yes
This study was conducted to gain an understanding of how small-scale farmers in Mbeya District have adopted improved wheat technologies promoted by the wheat research program at MARTI-Uyole.
Elanga, Anthony   +5 more
core   +1 more source

Die Baumkronenspinnen (Araneae) des Leipziger Auwaldes [PDF]

open access: yes, 2012
The canopy spiders of the floodplain forest in Leipzig have become a focus of ecological studies in recent years. In 2006 we sampled 30 tree canopies in the ‘Burgaue’ nature reserve with pyrethrum knock-down fogging, recording 502 adult spiders belonging
Floren, Andreas, Otto, Stefan
core  

Efficacy of Surround® WP against the European pear psyllid (Cacosylla pyri) in large-scale field trials [PDF]

open access: yes, 2003
Are pre-flowering applications of Surround® WP sufficient to keep the European pear psyllid (Cacopsylla pyri) below the economic threshold for the whole ...
Daniel, Claudia, Wyss, Eric
core  

Auswirkungen von neem- und pyrethrinhaltigen Pflanzenschutzmitteln auf den Naturhaushalt [PDF]

open access: yes, 2001
Während die im Zulassungsverfahren bislang eingereichten Daten für Neem und NeemAzal T/S im wesentlichen die Anforderungen der Anhänge II und III der EU-Richtlinie 91/414/EWG abdecken, bestehen bei Pyrethrin und den Pyrethrum-Präparaten noch zahlreiche ...
Michalski, Britta
core  

Produktion und Qualitätssicherung von Pyrethrumpräparaten [PDF]

open access: yes, 2001
In Kenia wird seit 1928 Pyrethrum-Anbau betrieben. Organisiert und gemanagt wird der Pyrethrum-Anbau der Kleinbauern in Kenia vom sog. „Pyrethrum Board of Kenia“.
Prokop, Andreas
core  

Wirkung verschiedener Insektizide und deren Kombination mit Fettsäuren und Rapsöl gegen die Salatblattlaus Nasonovia ribis-nigri [PDF]

open access: yes, 2005
Fragestellung: Mit welchen Insektiziden und in welcher Kombination mit Beistoffen können die Salatblattläuse am effizientesten bekämpft werden?
Ineichen, Lukas   +2 more
core  

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