Search
All content is free for everyone to browse, read and share. You’ll find journal articles and non-peer reviewed grey literature. Type keywords into the search box or Use the filtering options below to browse the content.
Showing 1,437 results
The dynamics of a virus disease in a perennial plant population are modelled. The population is divided into healthy, latently infected, infectious an...
Read moreDM production ranged from <2 g/m2 day in winter to 20 g/m2 day in spring in barley cv. Sekitori-Sai No.1 sown in 15-cm bands 55 cm apart with 105 p...
Read more[See FA 38, 1151] Needles of Sitka spruce were illuminated on either the top or bottom surfaces or on both simultaneously, using parallel beam light. ...
Read moreThe photosynthetic capacity of shoots from whole plants grown in low light (low light phenotypes) was higher than that of high light phenotypes, where...
Read moreIn order to measure total annual seed rain for a native grassland in Missouri, USA, fifty 9-cm diam. sticky traps were exposed to collect dispersing p...
Read moreA diffusion model was used to calculate the minimum velocity of advance of an outbreak of foot and mouth disease (FMD) in feral pigs (Sus scrofa) in e...
Read moreThe same 25 eyries of golden eagles (Aquila chry-saetos) were examined each year in west Scotland. In 1963-65 the "percentage of nests with eggs from ...
Read moreThree surveys were conducted in barley or other cereal crops in Hampshire, UK, during 1988 and 1989. In the first survey (of a spring barley crop), th...
Read moreAt two localities in northwest England that had recently been inundated by the sea, the decline in the density, biomass and species spectrum of Lumbri...
Read moreOn flat bog with deep peat where heather (Calluna vulgaris), the principal food of the birds, was scarce application of superphosphate, or ground mine...
Read more