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Kennedy/Jenl(s Consultants <br /> Table 1: Monitoring Components and Analytes <br /> Assimilative Capacity <br /> Monitoring Component Rationale Measurement Technique Parameters Frequency <br /> Weekly Observations Unexpected observations could Observation Percent crop coverage, crop Weekly <br /> impact results of study health, irrigation quantity, <br /> irrigation uniformity,weather, <br /> fertilizer application <br /> Crop uptake Crop uptake of process water Record biomass harvest,sample Ash content, salt ions(Ca, Mg, At each biomass harvest <br /> constituents is a primary removal tissue to determine chemical Na, K,Cl,SO4)(a) nitrogen <br /> mechanism composition species(b) • <br /> Irrigation water sampling FDS and nitrogen loading Grab samples of irrigation water TDS`, FOS"', EC"', pH Twice per irrigation period for <br /> four irrigation periods, pH and EC <br /> to be measured every irrigation <br /> period thereafter.Additional TDS <br /> and FDS measurements to be <br /> determined. <br /> Root zone soil sampling Soil processes assimilate,fix, Soil sampling results will be Salt ions(Ca, Mg, Na, K,Cl, May and October <br /> and remove process water compared over time to document HCO3,SOn), nitrogen species Sampling at 60 inches will be <br /> constituents changes in constituent storage. conducted up to five times per <br /> Composite samples will be year. <br /> collected at five depth increments <br /> Soil moisture monitoring Adequate root zone water supply Continuous soil water content Water Continuous in select test plots, <br /> is necessary to optimize crop measurements at 1-foot weekly for remaining locations <br /> growth,constituent uptake,and increments to 5 feet <br /> soil assimilation processes <br /> Soil water flux calculations Infiltration rate/runoff,and Measure irrigation amount, water Water Weekly <br /> percolation flux are key factors reaching the soil/crop surface, <br /> flux=change in soil water and water content in the soil <br /> storage minus rain minus (reference ET will be taken from • <br /> irrigation plus evapotranspiration CIMIS('). Flux at 5 feet depth is <br /> (ET). calculated <br /> Deep vadose zone soil Vadose zone processes Core sampling at depths Salt ions(Ca, Mg, Na, K, Cl, Annual fall sampling event <br /> sampling assimilate, fix,and remove established by characterizing HCO3, SOa), nitrogen species <br /> process water constituents. subsurface layering will be used <br /> Subsurface layers also provide to quantify constituent storage <br /> varying moisture environments to and movement <br /> create both aerobic and anoxic <br /> treatment conditions <br /> Crop Uptake and Assimilative Capacity Work Plan, Page 1 of 2 <br /> Woodbridge Winery, Acampo, California <br />