Copper Deficiency in Pasture on Blanket Peat

Copper deficiency was confirmed in pasture on reclaimed blanket peat at the Peatland Experimental Station, Glenamoy. Copper levels in white clover (S.100) varied from 2.5 to 3.3 ppm in untreated pasture, and were raised to 5.5 to 10.8 ppm with copper sulphate. Levels in grasses increased from 2.6 to...

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Bibliographic Details
Published in:Irish journal of agricultural research 1966-10, Vol.5 (2), p.147-153
Main Author: Grennan, E. J.
Format: Article
Language:English
Subjects:
Agricultural soils
Clover
Copper
Grasses
Mineral soils
Nitrogen
Nitrogen fixation
Pastures
Peat
Sowing
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Summary:Copper deficiency was confirmed in pasture on reclaimed blanket peat at the Peatland Experimental Station, Glenamoy. Copper levels in white clover (S.100) varied from 2.5 to 3.3 ppm in untreated pasture, and were raised to 5.5 to 10.8 ppm with copper sulphate. Levels in grasses increased from 2.6 to 5.6 ppm without copper and to 5.8 to 8.5 ppm with copper. Copper increased the yield of dry matter in 1959, 1960, and 1961 by 771, 514 and 880 lb per acre, respectively. It also increased clover yield and nitrogen content of the clover. To prevent copper deficiency, application of 10 lb copper sulphate per acre at sowing or 5 lb annually is recommended.
ISSN:0578-7483