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|Title: ||Effects of sunny and shady aspect on pasture yield, digestibility and sheep performance in Canterbury|
|Author: ||Radcliffe, J. E.|
Young, S. R.
Clarke, D. G.
|Date: ||1976 |
|Publisher: ||New Zealand Grassland Association.|
|Citation: ||Radcliffe, J. E., Young, S. R. & Clarke, D. G. (1976). Effects of sunny and shady aspect on pasture yield, digestibility and sheep performance in Canterbury. In Proceedings of the New Zealand Grassland Association, 38, 66-77|
|Item Type: ||Conference Contribution - Paper in Published Proceedings|
|Abstract: ||Annual pasture dry matter (DM) production from improved brown-top-dominant hill pastures varied from 3.5 to 7.4 t DM/ha over
three years. A south aspect produced on average 14% more dry
matter than a north aspect; both had spring and autumn growth
peaks, and a summer depression which was greater on the north
A nucleus flock of hoggets was set-stocked on each aspect from
October to June and numbers of extra sheep were adjusted
monthly if necessary to maintain similar quantities of available herbage
on each aspect. Both nucleus flocks generally grew at similar
rates so their seasonal growth patterns were similar. In the second
and third year those on the south aspect grew 3 to 5% more wool.
Net liveweight gain per hectare was greater on the south than
the north aspect in the first year owing to a higher seasonal stocking
rate on the south aspect, but in two subsequent years production
The digestibility of pasture on offer to stock was 75 to 80% in
spring and 45 to 50% in summer. It recovered to 50 to 55% in
autumn then deteriorated to 40 to 45% in June. Small differences
were measured between aspects.|
|Persistent URL (URI): ||http://hdl.handle.net/10182/5090|
|Related: ||Available at www.grassland.org.nz|
|Related URI: ||http://www.grassland.org.nz/viewpublication.php?pubID=47|
|Rights: ||Copyright © The Authors and New Zealand Grassland Association.|
|Appears in Collections:||Department of Agricultural Sciences|
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