. Fig. 7. Effect of Soil Sterilization. a. To left, sterilized soil planted in sweet peas, to right Rhizoctonia sick soil unsterilized and where seed failed to germinate. b. To left, sterilized soil planted in sweet peas, to right. Fusarium sick soil unsterilized, where seed failed to germinate.

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920