00437naa a2200109 a 450000100080000000500110000800800410001910000200006024501670008026000090024777300710025618375992010-01-10 1984 bl --- 0-- u #d1 aSHILLING, D. G. aThe suppression of certain weed species by rye (Secale cereale L.) mulch and isolation, characterization and identification of water-soluble phytotoxins from rye. c1984 tDissertation Abstracts International, Bgv. 45, n. 1, p. 28, 1984.