5-5 Net ammonification mean monthly rates (mg-l NH4+ / kg-l soil / month) for the control, Oust: sulfometuron methyl, Velpar: hexazinone, sulfometuron methyl- hexazinone mix and Arsenal: imazapyr. ......__....._.__._ ............. ..........10 5-6 Net nitrification mg -1 NO3- / kg -1 soil / month; for the control, Oust: sulfometuron methyl, Velpar: hexazinone, sulfometuron methyl- hexazinone mix, and Arsenal: imazapyr; applied in different growing seasons, frequencies, and time of year. .............108 5-7 Microbial biomass carbon (Cmb) mg ~1C / kg -1 soil; for the control, Oust: sulfometuron methyl, Velpar: hexazinone, sulfometuron methyl- hexazinone mix, and Arsenal: imazapyr.. ........._.__........... ...............109 .... 5-8 Microbial biomass carbon (Cmb) mgl carbon / kg-l soil from soils treated only one year and two consecutive years of applications ................. ...............109........... .. 5-9 Microbial biomass carbon (Cmb) mg carbonn / kg soill levels measured at the reference sites and the Pt. Washington restoration site ................. .........................110 5-10 Fungal biomass carbon mg -1 carbon / kg -1 soil; for the control, Oust: sulfometuron methyl, Velpar: hexazinone, sulfometuron methyl- hexazinone mix, and Arsenal: imazapyr ......_ ................. ...............110...... 5-11 Pools and fluxes of nitrogen in the RESDYN restoration model. MP, metabolic pool; grass&forbs, holocellulose pool; shrubs, lignocellulosic pool; and CWD, woody pool .......... ................ ...............111......