SOIL PASTEURISATION BY ELECTRICITY.
Experiments carried out by the New York State Agricultural Experimental Station in the pasteurisation of greenhouse soil with electric heat has given satisfactory control of damping off caused mainly by Pythium ultimum (trow) and to a lesser extent by Rliizoctonia solani and Botrytis sp. Most weed seeds except clover and an occasional purslane seed, as w'cll as nematodes and insects, are killed likewise. The chief advantage of the elcctric pasteuriser is that soil may be heated to a relatively low temperature (between 45 and 50 degrees Centigrade) and then allowed to cook for 12 hours or more without additional heat. This saves expense and does not injure the soil as steaming does.
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Auckland Star, Volume LXVII, Issue 139, 13 June 1936, Page 6 (Supplement)
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116SOIL PASTEURISATION BY ELECTRICITY. Auckland Star, Volume LXVII, Issue 139, 13 June 1936, Page 6 (Supplement)
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