Zobrazeno 1 - 10
of 46
pro vyhledávání: '"W B, Bollen"'
Publikováno v:
Tellus A; Vol 20, No 3 (1968)
DOI: 10.1111/j.2153-3490.1968.tb00398.x
Publikováno v:
Physiologia Plantarum. 46:1-4
Nitrogen fixation (acetylene reduction) was found to be associated with sand grain root sheaths (rhizoseaths) occurring on the following xeric grasses: Oryzopsis hymenoides (Roem. and Shult.) Ricker, Agropyron dasystachyum (Hook.) Scrib., Stipa comat
Publikováno v:
Weed Science. 22:557-562
Cacodylic acid (hydroxydimethylarsine oxide) and MSMA (monosodium methanearsonate) gave slightly-visible inhibition of bacterial growth in pure culture at 1000 mg/L arsenic and moderate inhibition at 10,000 mg/L arsenic. There were no effects at 100
Autor:
C. Y. Li, W. B. Bollen
Publikováno v:
American Journal of Botany. 62:838-841
Mycelial growth of Phellinus weirii (Murr.) Gilb., a root pathogen of conifers in the Pacific Northwest, was studied in defined liquid media with different carbon and nitrogen sources and vitamins. The fungus grew significantly more on glucose, xylos
Autor:
K. C. Lu, W. B. Bollen
Publikováno v:
Plant and Soil. 9:318-324
From respiration studies with a neutral sandy loam soil, it appears that Gibrel can speed up decomposition of native and added organic matter. The results with Gibrel treatments alone indicate the gibberellic molecule may be rapidly decomposed by soi
Autor:
W. B. Bollen, W. V. Halversen
Publikováno v:
Soil Science. 16:479-490
Publikováno v:
Canadian Journal of Microbiology. 10:259-265
Rhizosphere microflora of three morphologically different mycorrhizae of a Douglas-fir were examined and compared with microflora surrounding adjacent suberized roots and in non-rhizosphere soil. Populations of bacteria, molds, and Streptomyces were
Publikováno v:
Folia Microbiologica. 7:364-371
Boron and molybdenum as trace elements and ammonium sulphate and sodium nitrate as nitrogen sources, affected the rate of composting of wheat straw in the laboratory. The nitrogen sources were used at rates to add 1 per cent nitrogen to the straw. Wi
Publikováno v:
Journal of Economic Entomology. 47:307-312