ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The investigation grew out of an examination of variouscompounds as sources of nitrogen and phosphorus for cereals grown in 1 : 2 mixtures, by volume, of acid soils and sand in Mitscherlich pots in a netted enclosure, all dressings being mixed with the growth media. When no N was added, grain ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/227084a0
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