Soil nitrogen. VII.—correlations between
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J. K. R. Gasser; R. J. B. Williams
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Article
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1963
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John Wiley and Sons
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English
⚖ 631 KB
## Abstract Laboratory measurements of ‘available’ soil‐N were used to try and assess its effect on dry matter, N content, and N% of ryegrass grown in pots, of barley and wheat seedlings grown in boxes and of barley grain from field crops grown on soils without fertiliser‐N. Mineral‐N in the fresh