共 21 条
[1]
ABDELGHAFFAR AS, 1981, BIOL NITROGEN FIXATI, P29
[5]
DEJONG TM, 1982, PLANT PHYSL, V68, P416
[6]
EAGLESHAM ARJ, 1974, ANN REP ROTHAMSTEAD, V2, P246
[7]
Frederick L. R., 1978, Mineral nutrition of legumes in tropical and subtropical soils., P265