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 245 results
Combining several crop species and associated agricultural practices in a crop sequence has the potential to control weed abundance while promoting we...
Read moreSeed collected from natural stands of P. menziesii growing at (a) 250, (b) 520 and (c) 880 m alt. in Oregon, and from a cross between trees in (a) and...
Read moreA hay crop was cut at three different dates in 1990 from a mesotrophic (meadow) grassland in Upper Teesdale, under various fertilizer, grazing and cut...
Read moreThe relevance to conservation of a restriction on the start of haymaking in species-rich meadows is included in the management prescription for the Pe...
Read moreThe enhancement of biodiversity in meadow grassland, an environmental aim of European agricultural policy, requires definition of appropriate manageme...
Read moreAgricultural policy in the Pennine Dales Environmentally Sensitive Area in northern England aims to enhance plant species diversity in agriculturally ...
Read moreThe flight phenologies of Sitobion avenae and Metopolophium dirhodum, as indicated by suction trap catches at 18 sites throughout the UK between 1975 ...
Read moreStudies on bird damage to irrigated rice were carried out in 1975-7 on 2 irrigated farms at Bongor, Chad and Yagoua, Cameroun. The level of damage in ...
Read morePublished and unpublished records of dates of budburst of lateral shoots on 2- to 10-yr-old trees collected on 14 occasions at sites near meteorologic...
Read moreIn recent years, the Normalized Difference Vegetation Index (NDVI) has been used to assess the relationships between habitat quality and animal life-h...
Read more