Publication Date

1989

Description

Perennial forage legumes fix atmospheric dinitrogen (N2) and, in mixed swards of legumes and grasses, may transfer nitrogen (N) to the companion grass (Brophy et al., 1987; Ta and Faris, 1987). The amounts of N2 fixed by legume-grass mixtures in the temperate North Central U.S. are not known. Further the amounts of N transferred from legumes to com­panion grasses are not known. The purpose of this research was to quantitate N2 fixation of and N transfer in legume-grass swards.

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DiNitrogen Fixation and Nitrogen Transfer in Temperate Legume-Grass Communities

Perennial forage legumes fix atmospheric dinitrogen (N2) and, in mixed swards of legumes and grasses, may transfer nitrogen (N) to the companion grass (Brophy et al., 1987; Ta and Faris, 1987). The amounts of N2 fixed by legume-grass mixtures in the temperate North Central U.S. are not known. Further the amounts of N transferred from legumes to com­panion grasses are not known. The purpose of this research was to quantitate N2 fixation of and N transfer in legume-grass swards.