A Second Series of Field Experiments in Lincolnshire on the Chemical Treatment of Soil infected with Heterodera schachtii

Abstract
Previous experiments on the application of ferric oxide or of calcium cyanamide to “potato-sick” land were carried out at the Kirton Agricultural Institute. The results were reported by Hurst & Franklin (1937), and indicated that ferric oxide had no effect either on the yield of potatoes or on the hatching of H. schachtii larvae, but that calcium cyanamide showed promise and was worthy of further trial. Experiments with this chemical were, by the kind permission of Mr. J. C. Wallace, Principal of the Kirton Agricultural Institute, and with the co-operation of Mr. J. Wood, A.R.C.S., continued for a second year.

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