 | The effect of maleic hydrazide on the growth of turf grasses | (1) |
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 | The effect of maleic hydrazide on the growth of turf grasses / by A.J. Clapham, R.C. Wakefield, and R.S. Bell. Clapham, A. J. (Andrew J.) Kingston, R.I. : Agricultural Experiment Station, University of Rhode Island, 1969. | |
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