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The 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 ...

Relative rate of increase of leaf area per plant was measured in field beans during May-Aug. 1966. In the early stages of growth, until LAI reached ab...

Indigenous sorghum varieties in N. Nigeria yielded best in their own localities. All local varieties of a locality tended to flower at the same time e...

Results suggest that temperature is the main environmental factor controlling the seasonal difference in growth between SI70 and the North African var...

During the winter 1963-64 the North African synthetic variety, SynII, showed a greater relative growth rate than the British S170. Of two north temper...

A variety indigenous to northern Nigeria yields best in its own locality, the time of flowering coinciding with the end of the rainy season. If the va...

cf. F.A. 27 No. 886.] Studies at Monks Wood, Huntingdonshire, and Silwood Park, Berkshire, suggest that the species of animals (particularly birds) th...

The relative rate of increase of leaf area per plant was measured in Vicia faba from May to August. In the early stages of growth, until the leaf area...

Observations on the behaviour of bees visiting black currant, raspberry and strawberry flowers showed that bees touched both stamens and stigmas of ne...

Honeybee colonies in fruit orchards often collect much dandelion pollen. Bees visiting dandelions become conditioned to them and, even when the dandel...