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Further evidence upon the nitrogen uptake of grass grown with lucerne

Published online by Cambridge University Press:  27 March 2009

H. G. Thornton  and
Hugh Nicol
H. G. Thornton
Affiliation:
(Rothamsted Experimental Station, Harpenden, Herts.)
Hugh Nicol
Affiliation:
(Rothamsted Experimental Station, Harpenden, Herts.)
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Summary and abstract

1. Italian rye-grass grown in the presence of lucerne in sand with no added nitrogen contained, after 18 weeks’ growth, some 2¼ times as much nitrogen as did grass of the same age similarly grown but in the absence of lucerne.

2. In another experiment, where lucerne and grass were grown together in sand:

(a) Where 0·33 gm. of sodium nitrate was added per pot, the grass after only 13½ weeks’ growth contained 2½ times, and after 18 weeks’ 5½ times, as much nitrogen as was supplied as nitrate.

(b) Where 1·0 gm. of nitrate was added, the grass after 13½ weeks contained slightly more nitrogen than was added as nitrate, and after 18 weeks it contained 2¼ times as much.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 24 , Issue 4 , October 1934 , pp. 540 - 543
Copyright
Copyright © Cambridge University Press 1934

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References

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