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Population data on Sitona discoideus collected from young lucerne in Canterbury, New Zealand, in 1982-86 were analysed using life tables. Manipulated ...
Read moreA native grassland in SE Montana dominated by Agropyron smithii was continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-May until Oct. 1975 an...
Read moreThe factors to be considered on whether there is a need to stock a fishery resource, the environmental impacts of stocking and habitat restoration to ...
Read moreLolium perenne cv. S23, Trifolium repens cv. S184 and T. repens cv. Olwen were grown in the glasshouse as monocultures and as mixtures. Drought condit...
Read moreSeeds of 16 arable weed spp. collected in 1977 were sown outdoors in boxes or pots at various depths. Most grass spp. emerged in the autumn, while man...
Read moreThe use of E. stagnina, the major component of the emergent vegetation of Lake Kainji, is described. A simple model of the colonization potential of E...
Read moreThe effects of mechanical control methods and foliar sprays of fosamine ammonium, 2,4,5-T and triclopyr, singly or in combination, were assessed on Be...
Read moreSeedlings of cocksfoot populations from Norway and Portugal were planted-out 5 cm apart at the cotyledon stage into boxes equipped with partitions to ...
Read moreStochastic analogues that included variation in spatial heterogeneity of population densities and of parameter values in Globodera were produced using...
Read moreThis presentation delves into the role of environmental monitoring in assessing and safeguarding the health of the UK countryside. It highlights the N...
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