EFFECTS OF TTME OF SOWING ON THE ESTABLISHMENT OF OVERSOWN LEGUMES
- 1 January 1976
- journal article
- Published by New Zealand Grassland Association in Proceedings of the New Zealand Grassland Association
Abstract
The establishment of oversown lucerne and white clover, in relation to time of sowing, was examined over two seasons on seven unimproved sites in the North Otago tussock grasslands - sunny and shady faces with lucerne at 450m, with white clover at 880 and 1070 m, and a flat site at 1330 m. Seedling establishment showed an optimum at times associated with 3 to 7" C earth temperatures at 10 cm depth, with poorer results at both earlier and later times. Nodulation was high at times associated with temperatures up to 5 to 6'C, but fell with later sowings. Best plant establishment also occurred at times associated with 3 to 7" C. 10 cm earth temperatures. These results suggest that optimum sowing dates for the sites used would range from mid-August to October with earlier sowing dates on the sunny faces.Keywords
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