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Ambrosia trifida L. (giant ragweed), an aggressive weed of US grain crops and indigenous to North America, colonizes no-tillage crop fields and undist...
Read moreThe little bustard Tetrax tetrax is among many birds thought to be declining because of agricultural intensification in western Europe. In contrast wi...
Read moreThe numbers of dead and live Sitobion avenae falling to the ground in a wheat crop in 1988-89 in the UK were estimated. The estimates showed that more...
Read moreIt is important to understand the pollination processes that generate landscape-scale gene dispersal in plants, particularly in crop plants with genet...
Read morePopulations of Aphis fabae were monitored in the UK in 1969-86 on its primary winter host (Euonymus europaeus), on the 2 principal secondary summer cr...
Read more1. Fields left fallow after harvest (i.e. stubble fields) support high wintering densities of many species of granivorous bird. We examined correlates...
Read moreExperiments were done in England in fields of winter wheat at North Farm, West Sussex, and at Rothamsted in 1978 to investigate the effect of predatio...
Read moreResearch on China's food outlook and the impacts of climate change on China's agriculture was carried out by collaboration between China Agricultural ...
Read moreThe individual and joint effectiveness of two biorational tactics (crop interference and the exploitation of negative cross-resistance to certain herb...
Read moreSamples of aphids and predators were taken from 10 spring barley and winter wheat fields in southern UK between May and September in 1972-77. The guts...
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