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Conventional farming has been implicated in global biodiversity and pollinator declines and organic farming is often regarded as a more ecological alt...
Read moreTrade in animal-pollinated crops plays an important role in global food systems: in many low-income countries, export of pollinated crops such as coff...
Read moreClimate change has been commonly associated with a decline of bumblebee populations around the world. However, most information regarding the impacts ...
Read moreThe maximum rate of apparent photosynthesis in recently expanded leaves of unshaded Amaranthus edulis plants at 310 ppm. CO2 and 7500 f.c. was 55 ± 5 ...
Read moreThe following is based largely on the author's summary of .this part of a series on investigations in south-eastern f-.ngland [cf. RAE A 54 470]. Foll...
Read moreThe following is based largely on the author's summary of this account of investigations in Kenya. The percentage of barley shoots attacked by larvae ...
Read moreThe course of succession following the set aside (land diversion) of farmland managed in different ways was studied at 6 sites throughout Sweden. The ...
Read moreAtrazine-resistant or -susceptible biotypes of Senecio vulgaris and Amaranthus retroflexus were compared with regard to DM production, resource alloca...
Read moreThe effects of bush clearing, cultivation and crop protection with DDT on surface casting activity and populations of earthworms were monitored over a...
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 ...
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