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The influence of interplanted shade trees on the light regime at the surface of mature tea bushes is described. Most of the light reaching a tea bush ...

Weed communities sampled at 78 sites on farmland in the upper Belize Valley, British Honduras, showed 148 different weeds present, of which 103 were i...

Bees foraging for nectar on flowers of cultivars with deep corolla tubes and large floral parts found it difficult to reach the inner nectaries. They ...

The viability of fruit pollen carried on the body hairs of insects collected in apple orchards was usually similar to that of pollen from freshly dehi...

The amount of pollen of the appropriate species borne on the body of an insect is presumed to be an important factor in assessing its value as a polli...

Greylag and pink-footed geese fed together around Loch Leven, Kinross, at a rate equivalent to 0.54 and 0.39 geese/ha day during 2 successive winters....

Ten captive opossums fed between experiments on grass pellets supplemented with bread, fruit and vegetables were given chopped fresh leaves of Pseudop...

In three experiments, begun in successive years, seeds of twenty species of annual weeds were mixed with 15 cm of soil confined in cylinders sunk in t...

Populations of A. odoratum were collected from contrasting plots of the Park Grass Experiment, Rothamsted, grown under identical conditions for 6-18 m...