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Filtering by: Subject Plants, Effect of soil acidity on

Effects of lime and VA-Mycorrhiza interactions on growth responses of sweetgum seedlings

Creator:

Davis, Elizabeth Anne

Abstract:

A study, consisting of two sequential greenhouse experiments, was designed to determine the effects of soil liming upon the fungal partner in a mycorrhizal association. A Willamette Valley foothill soil, of the Jory series, was limed in increments to achieve a range of acidity and alkalinity. The P-deficiency and P-fixing...

Resource Type:

Masters Thesis
Influence of soil acidity upon nodulation and growth characteristics of Trifolium subterraneum L.

Creator:

Almendras, Angela S.

Abstract:

Previous research had identified four serogroups of Rhizobium trifolii indigenous to Abiqua soil (fine, mixed, mesic, Cumulic Ultic Haploxerolls). Nodulation of subterranean clover (Trifolium, subterraneum L.) by two of the serogroups, 6 and 36, was influenced by the application of CaC0₃ to the soil. The studies described in this thesis...

Resource Type:

Dissertation