Field application of the 15N isotope dilution technique for the reliable quantification of plant-associated biological nitrogen fixation
1996 ◽
Vol 23
(3)
◽
pp. 249-256
◽
1996 ◽
Vol 23
(3)
◽
pp. 249-256
◽
1983 ◽
Vol 15
(1)
◽
pp. 25-32
◽
1990 ◽
Vol 22
(5)
◽
pp. 657-663
◽
2002 ◽
Vol 1
(1)
◽
pp. 17-22
◽