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Start Over You searched for: Author Plant Industry, Soils, and Agricultural Engineering Bureau Remove constraint Author: Plant Industry, Soils, and Agricultural Engineering Bureau Publish Year Decade 1940 - 1949 Remove constraint Publish Year Decade: 1940 - 1949

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252. Trees. Propagation of trees and shrubs; [by Guy E. Yerkes].

253. Elm. Dieback of elm; by Curtis May.

254. Fertilisers. Selecting fertilizers; by Albert R. Merz.

255. Potato diseases and their control; [by T. P. Dykstra].

260. Weeds. Killing weeds with 2, 4-D.