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Extracts of the roots of Hyparrhenia filipéndula and other grasses were tested against soil enrichment cultures of NH3-and NO2 oxidizers, by measuring...
Read moreRoots of Hyparrhenia filipéndula contained a water-soluble, heat-labile and dialysable substance which inhibited nitrifying bacteria. Alcohol extracts...
Read moreExtracts and leachates of the grass Aristida adscensionis inhibited the growth in culture conditions of Rhizobium extracted from Indigofera cordifolia...
Read moreSoils in which 4 grasses, 8 broadleaved species and 2 ferns had been grown individually for 16 yr were examined for p-hydroxybenzoic, vanillic, p-coum...
Read moreWild bullfinches feeding on the buds of orchard pear trees are known to prefer the cultivar 'Conference' to 'Doyenne du Comice', which differs in many...
Read moreA hay crop was cut at three different dates in 1990 from a mesotrophic (meadow) grassland in Upper Teesdale, under various fertilizer, grazing and cut...
Read moreThe association between seeds of Abutilon theophrasti, Datura stramonium, Ipomoea hederacea and Polygonum pensylvanicum and their mycoflora was examin...
Read moreThis apparatus utilized an array of rods to remove vegetation; larvae were then separated from the soil/stones fraction by flotation in saturated brin...
Read moreLarge-scale biodiversity monitoring is essential for assessing biodiversity trends, yet traditional surveying methods are limited in the spatial/tempo...
Read moreSize is a basic attribute of any population but it is often difficult to estimate, especially if the species under investigation is rare or cryptic. F...
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