›› 1955, Vol. 5 ›› Issue (3): 349-350.

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Top-dressing of Spore Suspension of Bacillus tkuringiensis to Corn Leaf Whorls as a Measure of Biological Control of the Corn Borers

Tsao Chi, Chia, P. H., Lin, P. H.   

  1. North China Agricultural Research Institute
  • Online:1955-07-15 Published:1955-07-15