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Describes the host range of Cacao swollen-shoot virus (CSSV) and the distribution of wild hosts. No consistent association has so far been found betwe...
Read morecf. FA 31 No. 601.] Seedlings of P. radiata, from autumn sowings at Rotorua, New Zealand, were undercut in Dec. and then wrenched weekly (W/1), fortni...
Read moreA liquid displacement method is described for rapidly measuring the volumes of individual detached leaves or other small plant parts. It is accurate t...
Read moreThe following is virtually the author's summary of this account of observations in Scotland [cf. RAE A 54 678; 59 1153, 2160]. A sycamore tree kept un...
Read moreThe following is virtually the authors' summary. An account is given of a modified Robinson-type light-trap [cf. RAE A 43 169] for segregating samples...
Read moreThe following is virtually the author's summary. Infestations of empty food sacks by stored-products insects were studied by examination of 350 sacks ...
Read moreProposed classification types are black acidic shales, weakly calcareous grey shales, buff sandstones, oxidized surface spoils and surfacial spoils. M...
Read moreWhere Calluna was recolonizing burnt ground, the rate of soil erosion correlated negatively with the height and density of the vegetation. Where the C...
Read moreAn autoradiographic method for measuring root length in the soil using 32P injected into onion leaves is described. The soil containing the roots was ...
Read moreMetal concentrations in Hypnum cupressiforme, Hylocomium splendens and Sphagnum magellanicum from different parts of Scandinavia were studied. The con...
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