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A mechanistic physiological model for the growth of bracken has been developed which describes its yearly cycle in terms of three compartments: frond ...

Substantial amounts of money have been invested in peatland restoration over the last decades to address the current challenges of global changes and ...

Macrophyte abundance scores derived from percentage frequencies from permanent transects in four rivers were subjected to DECORANA and TWINSPAN multiv...

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...

A liquid displacement method is described for rapid measurement of volumes of individual detached leaves or other small plant parts with an accuracy o...

One ml Kjeldahl digest containing 1-25µg N is pipetted into a specimen tube. A nylon fabric disc is placed in a depression inside the plastic cap and ...

Agricultural intensification, at field and landscape scales, has caused a decrease in weed richness and changes in species composition. In order to pr...

In investigations in New Zealand, percentage estimates of the total mortality of Pieris rapae (L.) due to ground-living arthropod predators obtained b...

1. Ensuring that inferences from biological monitoring are reliable requires a level of sampling effort that is commensurate with programmatic objecti...

Because cyst-nematode populations are relatively static, immigration and emigration are negligible and population fluctuations under different crops c...