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The foraging range and constancy of two colonies of Bombus terrestris were investigated on a mixed arable farm in the UK using harmonic radar, which h...
Read moreA population of 570 adult beetles (Cyrtobagous sp.) released onto plants of Salvinia molesta in field cages declined to 40 adults over 7 months, and i...
Read moreThe soil seed bank and seedling recruitment of the weed vegetation were monitored over 9 years at two fixed plots (a shallowly ploughed plot and a dee...
Read moreDespite the increase in organic cropland, knowledge on the impact of organic farming on soil derived nitrous oxide (N2O) and methane (CH4) emissions i...
Read moreSeed production by Cenchrus ciliaris cv. Biloela and soil seed reserves were studied in two 16-year-old C. ciliaris/Macroptilium atropurpureum cv. Sir...
Read moreSamples taken at Cedar Creek, Minnesota, showed that the above-ground parts of cattail [Typha angustifolia] and maize ecosystems contained much the sa...
Read moreA mathematical model of the dynamics of a virus disease in a perennial plant population was developed. The population was divided into healthy, latent...
Read moreSwards of B. decumbens cv. Basilisk were cut at 0 and 10 cm height and the cut material removed or cut, field-dried and burnt 0, 4 or 8 days after cut...
Read moreAgrobacterium tumefaciens was used to introduce two marker genes (kanamycin resistance and β-glucuronidase) into tobacco. These plants were grown in a...
Read moreTrifolium balansae and T. resupinatum are new to self-regenerating pastures. A model, based on data obtained from field measurements, was used to pred...
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