TY - JOUR AN - 006558128 AU - Ruschel,A.P. AU - Ruschel,R. PY - 1975 TI - Synergism of nitrogen uptake from soil and symbiotic nitrogen fixation increasing nitrogen in soybean plant glycine max JO - Pesquisa Agropecuaria Brasileira Serie Agronomia VL - 10 IS - 11 SP - 37 EP - 40 UR - https://eurekamag.com/research/006/558/006558128.php ER -