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Experiments were conducted in field cages in Queensland to assess the effects of adults and larvae of the curculionid Cyrtobagous salviniae on Salvini...

Agrostemma githago and spring wheat cv. Sicco were sown in monocultures and 1:1 mixtures at overall densities of 16, 40, 120, 400 and 1200 plants/m² i...

Spring cereals (oats and barley) were grown during 1984-86 on abandoned cut-over peatland sites with different amounts of vegetation in central Finlan...

See also W.A. 21, 1371. The interference between wheat and 3 edaphic ecotypes of Cynodon dactylon (naturally occurring at Chandigarh, Shiwalik and Mal...

See also W.A. 20, 2439 and 2892. Experimental simulation of the theoretical effects of ploughing, both to different depths, and at different times of ...

A range of densities of B. sterilis were sown in pots with winter wheat cv. Avalon in 4 soils; a heavy clay loam and a lighter, sandy soil from Oxford...

Hypericum perforatum, St John's wort, is an invasive weed of natural and agro-ecosystems in south-eastern Australia. In previous work we used a long-t...

The viable weed seed content of the surface soil at 78 sites in the upper Belize Valley, British Honduras, averaged 6488 seeds/m2 and included 54 spec...

A statistical model is presented which explores the effects of weed patchiness on crop yield. Input data are a non-linear regression of yield versus w...

Parameter uncertainty challenges the use of matrix models because it violates key assumptions underlying elasticity analyses. We have developed a matr...