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In three experiments, begun in successive years, seeds of twenty species of annual weeds were mixed with 15 cm of soil confined in cylinders sunk in t...
Read moreUsing faecal anlaysis, the annual diets of hill sheep (Ovis aries) and feral goats (Capra hircus) were estimated for 3 areas of the Scottish Southern ...
Read moreThe life history of Leontice leontopetalum was studied under field and controlled conditions in connection with its survival in ploughed fields. At ge...
Read moreSexual reproduction in 9 clones of Eichhornia crassipes from different parts of the world was examined in the glasshouse. Eight of the clones flowered...
Read moreA comprehensive set of demographic values measured under partly controlled conditions for an inbred Australian strain of Cydia pomonella (L.) is prese...
Read moreThe distribution of T. repens and grasses was examined in 6 hill swards in mid-Wales sown 10-39 years before with seed mixtures containing T. repens a...
Read moreThe distribution and abundance of animals are influenced by factors at both local and wider landscape scales. Natural enemies of pests in arable field...
Read moreResistance against pesticides is a widespread and increasing problem. The control of pesticide dose and the mixing of pesticides have been proposed as...
Read moreFive possible solutions to the problem of over-wintering brent geese (Branta bernicla) grazing on farmers' crops in the UK are described: maintaining ...
Read moreExcessive demand for ecosystem services arising from rapidly growing human population and several anthropogenic activities have led to the extensive m...
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