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Goose (Anser anser and A. brachyrhynchus) grazing on autumn-sown barley was simulated in the field in NE Scotland by removal of 25, 50, 75 or 100% of ...
Read moreWeed communities sampled at 78 sites on farmland in the upper Belize Valley, British Honduras, showed 148 different weeds present, of which 103 were i...
Read moreCarabids are important biological control agents of weeds and other pests in agricultural fields. The carabid community is built upon direct and indir...
Read moreA simplified method for the estimation of the intrinsic rate of natural increase (rm) of aphids is proposed. Having determined the prereproductive tim...
Read moreThe value of a temperature integrator was demonstrated when determining the development of the parasite Aphidius matricariae Hal. on the host Myzus pe...
Read moreEffects of goose faeces on salt marsh vegetation at La Pérouse Bay, Manitoba together with the processes of faecal decay, were studied in order to det...
Read moreThe ecological development of reclaimed coal mine waste near the timberline in southeastern British Columbia was examined by comparing six sites reveg...
Read moreThe growth, reproduction, and survival of cucumbers were studied in experimental plots with two spacings (56 and 77 cm between plants) and two diversi...
Read moreIn order to investigate the effect of insect recolonization on the insecticide-induced resurgence of crop pests, a modified Lotka-Volterra predator-pr...
Read moreAgrobacterium tumefaciens was used to introduce two marker genes (kanamycin resistance and β-glucuronidase) into tobacco. These plants were grown in a...
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