Premium
Nitrogen transfer from nodulating soybean [ Glycine max (L.) Merr.], to corn ( Zea mays L.) and non‐nodulating soybean in intercrops: direct 15 N labelling methods
Author(s) -
MARTIN R. C.,
VOLDENG H. D.,
SMITH D. L.
Publication year - 1991
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1991.tb04904.x
Subject(s) - glycine , zea mays , petiole (insect anatomy) , biology , agronomy , poaceae , nitrogen , botany , chemistry , amino acid , hymenoptera , biochemistry , organic chemistry
summary In order to test for N transfer to com ( Zea mays L.) or to non‐nodulating soybean [ Glycine max [L.] Merr.), nitrogen enriched in 15 N was directly applied to a petiole or to secondary roots of adjacent nodulating soybean. In the field in 1988, 15 N applied directly to a petiole of nodulating soybean was detected at significantly higher levels in adjacent corn plants than when un enriched N was similarly applied. Applications of enriched N and un enriched N to nodulating soybean roots did not result in significant differences in % 15 N an adjacent corn plants. However, in greenhouse experiments, enriched N applied in split‐root systems to secondary roots of nodulating soybean, was detected at higher levels in associated corn and non‐nodulating soybean than when un enriched N was similarly applied.