Results 71 to 80 of about 49,110 (194)
Cyathula prostrata (pasture weed).
, 2020 Abstract Cyathula prostrata is an annual to short-lived perennial herb native to Africa and Asia and some parts of Oceania, now found naturalized elsewhere in Oceania and in South and Central America. It grows as a weed in cultivated land, roadsides, grazing land, along seashores and in primary and secondary forests and is classed as
openaire +1 more source
Imported seed weevils attack initalian and milk thistles in southern California
California Agriculture, 1974 ITALIAN THISTLE, Carduus pycnocephalus. L., and milk thistle, Silybum marianum (L.) Gaertn., alien weeds of Eurasian origin, have been studied since 1966 as targets of biological control in southern California. Found mainly in the coastal counties, these
R Goeden, D Ricker
doaj
Pesquisa Agropecuária Brasileira, 2008 O objetivo deste trabalho foi avaliar o efeito de queimada e de sistemas de cultivo sobre o banco de sementes em solo de Cerrado. Foi realizada amostragem em área sob cerrado sensu stricto queimada e não queimada, assim como em área de pastagem e lavoura
Fernanda Satie Ikeda +3 more
doaj +1 more source
The economic costs of weeds on productive land in New Zealand
International Journal of Agricultural Sustainability, 2017 Here we review published research on the costs of weeds to New Zealand’s pastoral, arable and forestry sectors, and propose an alternative dynamic approach for future research.
J. T. Saunders +7 more
doaj +1 more source
Organic-Conventional Dairy Systems Trial in New Zealand: Four Years’ Results [PDF]
, 2005 The Organic-Conventional Comparative Dairy Systems trial at Massey University began in August 2001, and the organic farmlet achieved certification in August 2003.
Butcher, Natalie +9 more
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The role and management of herbal pastures for animal health, productivity and product quality [PDF]
, 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
Sustainability, Externalities and Economics: The Case of Temperate Perennial Grazing Systems in NSW [PDF]
The replacement of perennial grass species by undesirable annual grass weeds not only results in lower productivity but is also contributes to a range of external costs.
Dowling, Peter, Jones, Randall E.
core +1 more source
The effect of organic farming systems on aspects of the environment - desk study OF0123 [PDF]
, 1995 Key Conclusions 1. The crop rotations of organic systems maintain landscape diversity and biodiversity whilst the maintenance of field boundaries on organic units produces benefits to a wide range of organisms. 2. Inorganic nitrogen fertilisation and
Bailey, Steven +5 more
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Ciência Animal Brasileira, 2012 This study aimed to evaluate the ingestive behavior and physiological responses of steers under different grazing conditions. Five Nellore steers, weighing an average of 390.78 ± 14 kg BW, were assigned to five experimental treatments: clean pasture ...
Cleiton Luiz Tonello +5 more
doaj
Biological control of invasive plant species: stochastic economic analysis [PDF]
We analysed to what extent the stochastic effects of two biological control agents (i.e. weevils and mycoherbicides) affect the optimal choice of Californian thistle control.
Chalak-Haghighi, Morteza +2 more
core +1 more source