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Dispersion statistics and sample size estimates for monitoring mite populations in commercial apple orchards.

Published online: 24 Dec 1992

Authors: Pringle, K. L. & Giliomee, J. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

Sample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...

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