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A simplified Method of observing Areas infected with Locust Eggs. Preliminary Communication.


, : A simplified Method of observing Areas infected with Locust Eggs. Preliminary Communication.. Plant Prot, Leningrad, 15, 80-83

Official instructions in the Russian Union for estimating the abundance of egg-pods of Acridids give the area of the sample plots of soil to be examined as 0.25 sq. m. and require 10 samples from an area of 25 acres and 5 more for each additional 25 acres of a homogeneous area.

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