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spatial analysis of the distribution of spodoptera frugiperda (j.e. smith) (lepidoptera: noctuidae) and losses in maize crop productivity using geostatistics.the fall armyworm, spodoptera frugiperda (j.e. smith), is one of the chief pests of maize in the americas. the study of its spatial distribution is fundamental for designing correct control strategies, improving sampling methods, determining actual and potential crop losses, and adopting precise agricultural techniques. in são paulo state, brazil, a maize field was sampled at weekly intervals, from germination through harvest, for caterpillar densities, using quadrates. in each of 200 quadrates, ...200818641904
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