“…land 11. The loss of fixed-N may be due to leakage to the medium (25), or to the release as gas from leaves as reported by STUTTE et al (22) in soybeans.…”
“…land 11. The loss of fixed-N may be due to leakage to the medium (25), or to the release as gas from leaves as reported by STUTTE et al (22) in soybeans.…”
“…He showed that nonleguminous plants growing in association with legumes acquired amino acids released by legume roots (Thornton and Nicol 1934;Virtanen and von Hausen 1935; Table 3). The research was well received, and Virtanen's lecture series was summarised by the Editor of the journal Nature: 'It is therefore concluded that higher plants can take up and utilise directly organic compounds present in soils before their nitrogen is mineralised by bacteria or other micro-organisms' (Nature 15 April 1933, p.535).…”
Section: Research On Organic Nutrients Between and After The World Warsmentioning
“…Dala ohtained recently from sludies with herbaceous planls strongly suggest that most metabolites are relea.sed by living rool cells and Ihal tbe liberation of Ibese metabolites takes place predominantly wilbin tbe meristematic and elongalion zones and alst) t'roni living root hairs (\'irtanen and Hausen 1935, Lundeganib and Slenlid 1944. Kaudler 1951.…”
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