KLLING OF RAGWORT.
At last week’s meeting of the Ruakura Farm Advisory Committee it was pointed out by Mr. P. W. Smallfield that the experiments with ragwort eradication indicated that if root regrowths were to be avoided, it might be necessary in practice to use larger quantities of chlorate. Further, it was felt that if larger applications were to be made, the use of such dilute mixtures as 5 per cent, lime-chlorate was misleading and involved unnecessary bulk. Thus, 751 b of chlorate per acre, applied as a 5 per cent, lime-chlorate dust, meant top-dressing at the rate of 15001 b per acre. Also individual plant treatments would be about onequarter of a pound of dilute material. The information regarding minimum lethal doses 'for individual plants was rather indefinite.
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Bibliographic details
King Country Chronicle, Volume XXXIII, Issue 4800, 21 June 1939, Page 3
Word Count
129KLLING OF RAGWORT. King Country Chronicle, Volume XXXIII, Issue 4800, 21 June 1939, Page 3
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