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In laboratory studies in Massachusetts with a synthetic diet and the foliage of 4 forest trees (grey birch (Betula populifolia), white oak (Quercus al...
Read moreOn Rothamsted farm in southern England, the predatory and parasitic arthropod population of part of a winter wheat field alternating with fallow, duri...
Read moreThe distribution of ants in a Ghana cacao plantation [cf. preceding abstract] was investigated in order to gain information for an integrated control ...
Read moreCertain species of dominant ants were selectively eliminated from different subplots in order to elucidate the influence of ants and other factors on ...
Read moreRange condition was assessed in a semiarid 2265 km2 area of Tanzania grazed by cattle, sheep, goats, donkeys and a range of game wildlife. Primary pro...
Read moreChanges in the seed bank, seedling emergence and plant density of the most common grass species, and all legume species, were monitored from Oct. 1986...
Read moreThe effects of mycorrhizal infection on the growth of white clover were assessed, using gamma -irradiated soil of the Malham series amended with P fer...
Read moreAcacia nilotica is a spinescent woody legume that has become highly invasive in several parts of the world, including Australia where it has been decl...
Read moreThe effect of livestock on African rangelands has been a major focus of recent research, but little attention has been paid to the way livestock affec...
Read moreThe effects on British farmland wildlife of the management of four genetically modified herbicide-tolerant crops are currently being studied in a 5-ye...
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