THE DERIVATION OF THE NITROGEN OF CROP PLANTS, WITH SPECIAL REFERENCE TO ASSOCIATED GROWTH
1934 ◽
Vol 9
(4)
◽
pp. 383-410
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1967 ◽
Vol 7
(5)
◽
pp. 505-510
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Keyword(s):
1953 ◽
Vol 21
(3-4)
◽
pp. 197-198
◽
2006 ◽
Vol 96
(2-3)
◽
pp. 207-215
◽
Keyword(s):
2009 ◽
Vol 23
(2)
◽
pp. 194-212
◽
Keyword(s):
Keyword(s):