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The 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 moreResidues of DDE in kestrel eggs collected near Ithaca, New York, averaged 35, 42, 33 and 37 p.p.m. in 1969, 1970, 1971 and 1972, respectively. Based o...
Read morePitfall trapping in sugar-beet crops in East Anglia in 1970 and 1971 showed that Carabidae were much more active and abundant than other epigeic preda...
Read more8 Mediterranean populations of P. tuberosa covering the climatic range from Morocco and Israel (severe summer drought, growing season 5-6 months) to N...
Read moreThe weed vegetation and seed bank were studied at the initiation (1979) and after the first cycle (1983) of a 4-course crop rotation (oats, clover [Tr...
Read moreThe following is substantially the authors' summary. Investigations on the diurnal activity and seasonal distribution of Glossina morsitans orientalis...
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...
Read moreAgri-environment schemes (AES) incentivise land-management practices aimed at mitigating environmental impacts. However, their effectiveness depends o...
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