Results 61 to 70 of about 49,056 (193)

An Economic Evaluation of Research into the Improved Management of the Annual Grass Weed Vulpia in Temperate Pastures in South-Eastern Australia [PDF]

open access: yes
NSW Agriculture has a history of research investment in managing weed problems in the temperate pasture areas. One focus of that research has been on the development of improved management practices for the major annual grass weed vulpia.
Dowling, Peter   +2 more
core   +1 more source

Comparative review of the effects of organic farming on biodiversity (OF0149) [PDF]

open access: yes, 1998
This is the final report of Defra project OF0149 1. The report reviews the impact of different farming regimes and makes a comparative study of their influence on the biodiversity of arable farmland. 2. Within this review, the evaluation of impacts
Brown, R. W.   +2 more
core  

Plantas daninhas do estado do Rio de Janeiro: acréscimo aos trabalhos já efetuados no estado Weeds of Rio de Janeiro State, Brazil: crops, pasture, urban and littoral areas

open access: yesPlanta Daninha, 1995
São apresentadas as plantas daninhas e/ou invasoras no Estado do Rio de Janeiro coletadas nas culturas de arroz, feijão, milho, cana, banana, pastagens, áreas urbanas e litorâneas.A list of the weeds of Rio de Janeiro State, Southeastern Brazil, is ...
Mítzi Brandão   +6 more
doaj   +1 more source

Economic Impacts of Yellow Starthistle on California Ranchers [PDF]

open access: yes
While the significant ecosystem damage caused by invasive weeds has been well documented, the economic impacts of specific invasive weed species are poorly understood.
Alison Eagle   +4 more
core  

Annual and seasonal changes in mineral contents (Ca, Mg, P, K and Na) of grazed clover-grass mixtures in organic farming [PDF]

open access: yes, 2006
A grazed field experiment was established in 1995 to evaluate alsike clover (Trifoliun hybridum L.), red clover (Trifolium pratense L.) and white clover (Trifolium repens L.) in clover-grass mixtures under organic farming practices.
Kuusela, Eeva
core   +2 more sources

Organic Farming in Cornwall: Results of the 2002 Farmer Survey [PDF]

open access: yes, 2003
A detailed survey of organic farming in Cornwall was completed duing the period August 2002 to February 2003. One of the main objectives of the survey was to describe current practices and constraints to organic production so as to aid the Organic ...
Burke, Jean, Roderick, Stephen
core  

The role and management of herbal pastures for animal health, productivity and product quality [PDF]

open access: yes, 2008
This review seeks to address the role and management of herbal pastures for animal health, productivity and product quality. It aims to do this by way of reviewing available Defra funded and other research and identifying key and relevant aspects.
Burke, Geoffrey
core  

Modelling the Dynamics of Weed Management Technologies [PDF]

open access: yes
An appropriate economic framework for valuing the benefits of weed management technologies is to treat weeds as a renewable resource stock problem. Consequently, the weed seed bank is defined as a renewable resource that changes through time due to ...
Cacho, Oscar J.   +2 more
core   +1 more source

Organic grassland: the foundation stone of organic livestock farming [PDF]

open access: yes, 2001
In organic farming, the components of the whole farm system interact closely and grassland plays the central role in this intricate web, including the arable cropping phase.
Younie, D.
core  

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