Conclusions
These data show that the neutralized and 1/3 neutralized fertilizers used continuously for 7 years ultimately affected the occurrence and amount of potato scab principally through their effect on the degree of acidity of the soil.
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Literature Cited
Cook, Harold T. and Nugent, T. J. 1939. The influence of acid-forming and non-acid-forming fertilizer on the development of potato scab. Amer. Potato Jour. 16: 1–5.
Houghland, G. V. C. and Strong, W. O. 1941. Results of a 5-year factorial experiment with potato fertilizers. Jour. Amer. Soc. Agron. 33:189–199.
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Cook, H.T., Houghland, G.V.C. The severity of potato scab in relation to the use of neutralized and one-third neutralized fertilizers. American Potato Journal 19, 201–208 (1942). https://doi.org/10.1007/BF02850233
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DOI: https://doi.org/10.1007/BF02850233