Citation

Bergersen FJ , Turner GL , Peoples MB , Gault RR , Morthorpe LJ Brockwell J (1992) Nitrogen fixation during vegetative and reproductive growth of irrigated soybeans in the field: application of δ ¹⁵N methods . Crop and Pasture Science 43, 145-153.

https://doi.org/10.1071/AR9920145