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The effect of varying the date of application of fertilizer nitrogen on the yield and seasonal productivity of grassland

Published online by Cambridge University Press:  27 March 2009

M. E. Castle ,
D. Reid  and
R. G. Heddle
M. E. Castle
Affiliation:
Hannah Dairy Research Institute, Ayr
D. Reid
Affiliation:
Hannah Dairy Research Institute, Ayr
R. G. Heddle
Affiliation:
Edinburgh School of Agriculture
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Extract

1. Two identical small plot experiments were done from 1961 to 1963, at the Hannah Dairy Research Institute, Ayr and at Boghall Farm, Midlothian to study the effects of applying nitrogen fertilizer at different times on total yield and its seasonal distribution.

2. Two perennial rye-grass plus white clover swards, one containing S23 and the other S24, were used at each site. On both swards a total of 10 cwt. of ‘Nitro-Chalk’ (15·5% N)/acre, applied at varying dates over the growing season, and a control treatment which received no nitrogen fertilizer were tested.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 64 , Issue 2 , April 1965 , pp. 177 - 184
Copyright
Copyright © Cambridge University Press 1965

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References

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