Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Harold T. Cook"'
1
The Onion Maggot Situation in New York
Autor: Harold T. Cook, Hugh Glasgow
Publikováno v: Journal of Economic Entomology. 22:683-688
Of the various methods that have been suggested for control of the onion maggot (Hylemyia ceparum) the lubricating oil bordeaux sprays are at present the most promising, cost, efficiency, and ease of application considered. With the perfection of the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::124fd1e2ba3787e28e26517f473be3b6
https://doi.org/10.1093/jee/22.4.683
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2
The severity of potato scab in relation to the use of neutralized and one-third neutralized fertilizers
Autor: Harold T. Cook, G. V. C. Houghland
Publikováno v: American Potato Journal. 19:201-208
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.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::33b73b21cf50946018c3d01956cd34c9
https://doi.org/10.1007/bf02850233
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3
The influence of acid-forming and non-acid-forming fertilizer on the development of potato scab
Autor: T. J. Nugent, Harold T. Cook
Publikováno v: American Potato Journal. 16:1-5
These data demonstrate that it was necessary to study the reaction of the soil in the vicinity of the potato sample in order to determine the relation of the pH to the development of scab. The soil reaction data for the small areas corresponding to t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::795d6585eab69f49234dc50ae3987e3a
https://doi.org/10.1007/bf02862752
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