Results 181 to 190 of about 14,794 (257)
Optimal allocation of sowing date and sowing rate of late-sowing rapeseed in the Yangtze River Basin
Acta Agronomica SinicaHong-Xiang LOU +13 more
openaire +1 more source
Biomass patitioning in Brassicas as affected by sowing dates
Journal of Agrometeorology, 2002 RAJ SINGH, V.U.M. RAO, DIWAN SINGH
openaire +2 more sources
Synthesis of Pollinator‐Friendly Management in European Protected Areas
Conservation Biology, EarlyView.Effectiveness of pollinator‐friendly management in European protected areas. Abstract Pollinators are important to humans and nature due to their role in ecosystem functioning and services. Research on the effects of pollinator management in protected areas is insufficient compared with that on farmlands and urban areas, potentially hindering ...
Gabriella Süle +45 more
wiley +1 more source
Effects of sowing date on phenotypic plasticity of fitness-related traits in two annual weeds on the Songnen Plain of China. [PDF]
PLoS One, 2015 Li H, Lindquist JL, Yang Y.
europepmc +1 more source
Entomologia Experimentalis et Applicata, EarlyView.Natural parasitism of the invasive southern green stinkbug was recorded in an organic strawberry cropping system in southwestern Germany. The tachinid fly Trichopoda pictipennis shows successful establishment and field activity, indicating ongoing range expansion.
Sophie Wenz +2 more
wiley +1 more source
Ecological Entomology, EarlyView.Hamiltonella defensa infection increases honeydew production in certain aphid genotypes, potentially modifying aphid feeding behaviour. Parasitoid wasps, Aphidius ervi, are more attracted to honeydew from H. defensa‐infected aphids; though larger honeydew amounts may slightly deter searching.
Desiré Macheda +5 more
wiley +1 more source
Ecological Entomology, EarlyView.Cotesia glomerata polydnavirus and venom, either alone or in combination, affect colonisation by members of the arthropod community in a natural field setting. Plants damaged by P. brassicae injected with both polydnavirus and venom were colonised more often by Mamestra brassicae caterpillars, Myzus persicae aphids and aphid parasitoids compared to ...
Sarah Naomi Kalisvaart +5 more
wiley +1 more source
The commercialization of labour markets: Evidence from wage inequality in the Middle Ages
The Economic History Review, EarlyView.Abstract This paper moves beyond the focus on ‘average’ wage trends in pre‐industrial economies by examining the broad diversity of pay rates and forms of remuneration across occupations and regions in medieval England. We find that whilst some workers enjoyed substantial growth in wage rates after the Black Death, there was a large group who ...
Jordan Claridge +2 more
wiley +1 more source
The Economic History Review, EarlyView.Abstract The 1430s were characterized by extreme weather conditions, food and fodder shortages, and high mortalities among animals and humans, although the severity of events and their consequences in England have received limited attention. The economic downturn and the depressed customary land market in this decade marked the beginning of the Great ...
Mark Bailey
wiley +1 more source
The bread of Toledo: Prices and political economy, 1535–1800
The Economic History Review, EarlyView.Abstract We study the market for common white bread in the city of Toledo through a new 266‐year‐long series of bread prices, obtained from the cash purchases and wholesale bread‐for‐wheat contracts of large institutions. Our data are strongly consistent with fragmentary evidence on retail price regulation, as well as with shorter series from other ...
Mauricio Drelichman +1 more
wiley +1 more source