ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] P type humic acid has now been obtained from the lower soil horizons at several different sites in the British Isles (Table 1, Fig. 1) and the presence of green humic acid, identical to that found in Japanese soils, has been confirmed by isolation (Fig. 2, a, b, c). P type humic acid appears to be ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/214631a0
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