00776cam a22002537a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001400102100002700116245008300143260005700226300002300283490003000306650003200336650003200368650003500400650002900435650002800464830003000492CHAP20220329134156.0971013s1976 us a r 00010 eng d a16559 a17531 a21614 cCHAP04a633.2bH600aHoveland, Carl S.eed.10aBiological N fixation in forage-livestock systems; prodceedings of a symposium aMadison, Win. :bAmerican Society of Agronomy,c1976 a126 p.b: gráfs. 0aSpecial publicationv; 2814aFertilizantes nitrogenados.14aLeguminosasxInoculación.14aNitrógenoxEfecto en pastos.14aNitrógenoxFijación.14aPastosxNitrógeno en.0 aSpecial publicationv; 28