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Agricultural intensification, at field and landscape scales, has caused a decrease in weed richness and changes in species composition. In order to pr...
Read moreIn investigations in New Zealand, percentage estimates of the total mortality of Pieris rapae (L.) due to ground-living arthropod predators obtained b...
Read more1. Ensuring that inferences from biological monitoring are reliable requires a level of sampling effort that is commensurate with programmatic objecti...
Read moreBecause cyst-nematode populations are relatively static, immigration and emigration are negligible and population fluctuations under different crops c...
Read moreBahiagrass (Paspalum notatum) plants were grown in 5 × 5 cm pots at densities of 2, 4, 8 and 16 plants/pot and treated with 0, 100, 200 and 400 µg gal...
Read moreThe significance of P deficiency in limiting sward production was assessed in an altitudinal sequence of Agrosto-Festucetum grasslands at the Moor Hou...
Read moreCriteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...
Read moreThe results of an extensive soil quality assessment on conventionally managed fields were compared with the soil quality on a reference field as a res...
Read moreThis chapter presents a brief summary of the literature of the analytical framework that address natural resource management. Various concepts, models...
Read moreThe 'Quantimet' Image Analysing Computer was used to measure the length of roots washed out from soil, and a new autoradiographic (32P) method for mea...
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