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In continued work [cf. F.A. 25 No. 54], tensiometers and electrical resistance blocks were used to measure water tension and, indirectly, water conten...
Read moreSamples taken at Cedar Creek, Minnesota, showed that the above-ground parts of cattail [Typha angustifolia] and maize ecosystems contained much the sa...
Read moreChanges in biomass and annual production measured from 1972 to 1976 in four woodlands, the miombo, the Sengwa/Lutope riverine, the Manyoni riverine an...
Read moreThree plots in northern Ghana savanna were enumerated and then clearfelled in 1950. Since then one plot has been completely protected, a second has be...
Read moreA new method for determining the age of grasstrees (Xanthorrhoea spp and Kingia australis) is proposed. It is based on annual fluctuations in stem dia...
Read moreThe results of the study are summarized as follows: (1) Sixteen groups of large invertebrates were sampled at 42-day intervals over 3 yr from six gras...
Read moreTopsoil handling strategies used in bauxite mine rehabilitation were evaluated for their effects on seedling numbers, diversity and cover. These were ...
Read moreThe genetic structure of agricultural plant populations has long been recognized as an important factor in their vulnerability or resistance to diseas...
Read moreVeronica filiformis was established from 2-node fragments and spread naturally by further fragmentation equally well on bare soil and in a grass sward...
Read moreIn the presence of certain phyllosphere bacteria, aqueous washings of the foliage of Camelina sativa contained allelopathic chemicals. Investigations ...
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