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The distribution of the cacao swollen shoot virus is markedly discontinuous in West and Central Africa. The available data were re-examined to investi...

The 'Quantimet' Image Analysing Computer was used to measure the length of roots washed out from soil, and a new autoradiographic (32P) method for mea...

Water availability is the most important factor in tea growth. Average monthly tea yields for Uganda estates were correlated with soil water indices.

In 2 experimental lakes at Oxton, Nottinghamshire, paraquat at 0.5 rng/litre eradicated Elodea canadensis and all other submerged and floating plants ...

In field tests with fenuron pellets, Commiphora spp. and broad.leaved shrubs (Maytenus putter. lickioides, Premna oligotricha and Tarchonanthus campho...

The canopy of a Tarchonanthus/Acacia thicket on Kenya grazing land was opened up by a series of controlled burns. Two burns killed >50% of the orig...

Placement of fabric of appropriate mesh-size on or under the soil surface was examined as a possible means of constraining seedling growth and root pe...

Wheat and C. dactylon grown in pure stands at various densities up to 3200 plants/m² responded to density stress by extreme plasticity but not mortali...

In this presidential address to the British Ecological Society, 5 Jan. 1971, the roles played by fungi in terrestrial ecosystems are discussed with re...