A CURE FOR GRASS GRUB
Sir.—The cure for grass grub is irrigation. If land is irrigated well, three tjmes or more a season, the grass grub will be scarcely noticeable. What this will mean to Canterbury I will leave you to estimate. For example, I ploughed up half an acre of virgin tussock land, riddled with grass grub, worked it up, cut it into six irrigation checks, all level and with banks about a foot high. To begin operations on the grub, I flooded each check six inches deep and kept it under water for two days; then, after harrowing, put in carrots, parsnips, kale, celery, etc. Then, every two months, I flooded each check again, to a depth of three inches, and turned the water out immediately. After the second irrigation I did not find half a dozen grubs left, and raised a good crop of vegetables.—Yours, etc., EREWHON. June 1, 1943.
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Press, Volume LXXIX, Issue 23964, 3 June 1943, Page 6
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153A CURE FOR GRASS GRUB Press, Volume LXXIX, Issue 23964, 3 June 1943, Page 6
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