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The Role of Plant-soil Feedback in the Invasion of Brachypodium sylvaticum in Douglas-fir Forests

Creator:: Esterson, Andrew
Abstract:: Invasive plants have the capacity to transform landscapes and alter ecosystem function, causing significant economic and ecological damage. These effects include displacement and reduction of native flora and fauna, altered fire regimes, modification of biotic and abiotic soil properties, as well as local, regional, and global economic impacts. With such...
Resource Type:: Masters Thesis
Full Text:: Consolidated SR 24-F autoclave (Consolidated Sterilizer Systems, Boston, MA) at 132°C for two hours to create

Some effects of certain insecticides and herbicides on soil bacteria

Creator:: Johns, Elvy Earl
Resource Type:: Masters Thesis
Full Text:: , and Na21!P% were added to give 2000 p.p.in. C, 12 p.p.m. N, 218 F, and 2313 p.p.ni. K. Two types of

The determination of microbial activity in soils by a turbidimetric method

Creator:: Aspitarte, Thomas Robert
Resource Type:: Masters Thesis
Full Text:: . o r I-I ci) z ru o F. Soll Treatment 1. Non-Treated 2. Sawdust Added at 100 Tons

The role of rhizosphere bacteria in the growth of tall fescue

Creator:: Gawel, Len Joseph
Resource Type:: Masters Thesis
Full Text:: ectron Microscopy. ..... ............. .. 32 Ident t f cat ion, . ass a . a sa a. s. a a a a p a a a a a

The decomposition of 2-chloro-4-ethylamino-6-isopropylamino-S-triazine (atrazine) and related s-triazine herbicides by soil microorganisms

Creator:: Duke, William B.
Abstract:: Atrazine, atratone and ametryne are asymmetric s-triazine herbicides used pre- and post-emergence on many crops. Under conditions unfavorable for microbial activity, these compounds may persist in the soil for long periods of time. This study was conducted to determine the influence of the soil microflora upon atrazine, atratone and ametryne...
Resource Type:: Masters Thesis
Full Text:: ls further exPressed to lltss K. B5rers, and to tlessrs. J. Mayeux and F. su of the lIlcroblolory

Microbial degradation of atrazine in soils

Creator:: Skipper, H. D. (Horace D.)
Abstract:: Atrazine is an asymmetrical s-triazine herbicide used pre- and post-emergence for the control of weeds in many crops. Under conditions considered unfavorable for microbial activity, atrazine may persist in soils for extended periods of time. However, the significance of chemical versus microbial degradation is not known. This study was conducted...
Resource Type:: Masters Thesis
Full Text:: -->. C C1- 1 C1-C`N/C-Cl A ethylamine k cyanogen cyanuric chloride chloride (CH3)2CHNH2 ----f

Effect of certain fumigants on nitrification and other soil microbial activities

Creator:: Roa, Pedro Dante
Resource Type:: Masters Thesis
Full Text:: is presented ). Typed by Clistie F. Stoddard ACKNOLEDGEMENTS To Dr. Vlalter B. Bollen, vho as

Chemical and microbial investigations on the transformation and persistence of the insecticides aldrin and dieldrin in soil

Creator:: Roberts, Jack Ellsworth
Resource Type:: Dissertation
Full Text:: by F. Tatterafield of the Rothamsted 3eriment station in g1and (86,p. 23» however the greatest

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

Creator:: Au, Frederick Hung Fo
Abstract:: The effect of Endothal (3, 6-endoxyhexahydrophthalic acid), sodium pentachlorophenate (Na-PCP) and TD-47 (di-N, N-dimethylcocoamine salt of Endothal) on the microbial populations, ammonification, nitrification and respiration in six different soils was investigated. It was found that Endothal at 20 and 200 ppm had no adverse effect on the microbial population, ammonification,...
Resource Type:: Dissertation
Full Text:: parasítica var. nicotianae, Helminthosporium victoriae, Fusarium oxysporum f. lycopersici and f

ScholarsArchive@OSU

The Role of Plant-soil Feedback in the Invasion of Brachypodium sylvaticum in Douglas-fir Forests

Some effects of certain insecticides and herbicides on soil bacteria

The determination of microbial activity in soils by a turbidimetric method

The role of rhizosphere bacteria in the growth of tall fescue

The decomposition of 2-chloro-4-ethylamino-6-isopropylamino-S-triazine (atrazine) and related s-triazine herbicides by soil microorganisms

Microbial degradation of atrazine in soils

Effect of certain fumigants on nitrification and other soil microbial activities

Chemical and microbial investigations on the transformation and persistence of the insecticides aldrin and dieldrin in soil

Effect of Endothal and certain other selective herbicides on microbial activity in six different soils

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