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The spatial heterogeneity of predator populations is an important component of ecological theories pertaining to predator-prey dynamics. Most studies ...
Read moreThe nematode fauna of 4 cropping systems were studied for 5 years in central Sweden. Plots were cropped as follows: barley with (B120) and without (BO...
Read moreMost of the herbaceous plants sampled from these sites had arbuscular mycorrhizas. Gigaspora gigantea, isolated from anthracite waste, stimulated the ...
Read moreTrays containing greenhouse-grown pure stands or mixed swards of Phleum pratense or Bromus inermis/Medicago sativa, P. pratense, Dactylis glomerata, B...
Read moreWhere competition studies are based on binary mixtures, data can be clearly displayed by plotting the yield per unit area of one component against tha...
Read moreEnchytraeids were sampled in 1980-85 in an agricultural field experiment with four cropping systems: barley without nitrogen fertilization (B0); barle...
Read moreThree genotypes of alfalfa [lucerne] (Medicago sativa) plants (parental, transgenic α-amylase-producing and transgenic lignin peroxidase-producing) we...
Read moreThe aboveground production of an established F. pratensis ley in central Sweden was analysed by repeated clipping during 1982 and 1983. Standing veget...
Read moreDuring their spring stop-offs in Lake St. Peter, which averaged 32 days (1974-5), migrating Canada geese (Branta canadensis) flew twice daily to feed ...
Read moreSimple models were developed to explore the interaction between the curculionid lucerne (Medicago sativa) pest Sitona discoideus and its introduced br...
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