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Seasonal changes in the photosynthesis of tea were measured with a 14C technique during two years in Malawi. Photosynthesis did not decrease at the be...

The following influxes of macro-nutrients in bulk precipitation were measured during 1 year in the Mountain Pine Ridge savanna, Belize (kg ha^-1): Ca 1...

Lolium perenne cv. S23, Trifolium repens cv. S184 and T. repens cv. Olwen were grown in the glasshouse as monocultures and as mixtures. Drought condit...

Seeds from 11 ruderal spp. collected from localities in S. Warwickshire were stored outdoors in cylinders sunk in the ground, and seed viability was t...

Seeds of 16 arable weed spp. collected in 1977 were sown outdoors in boxes or pots at various depths. Most grass spp. emerged in the autumn, while man...

The use of E. stagnina, the major component of the emergent vegetation of Lake Kainji, is described. A simple model of the colonization potential of E...

Nutrient compartmentation was studied in grassland consisting predominantly of Agrostis tenuis [=A. capillaris], Holcus lanatus and Anthoxanthum odora...

The effects of mechanical control methods and foliar sprays of fosamine ammonium, 2,4,5-T and triclopyr, singly or in combination, were assessed on Be...

An equation is given which gives valid estimates of wind profiles in crops of maize and Vicia faba where foliage distribution is reasonably uniform. R...

In recent decades, many of the common and widespread butterflies in Britain which do not already occupy the whole of the country have expanded in rang...