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<br />""" <br />C'J <br />en <br /> <br />. <br /> <br />. <br /> <br />'. > <br />C) <br /> <br />The tollowini wiII be co.pared ulini the above procedure: <br /> <br />r" " <br />--... <br /> <br />I.pact of lalinity on <br />~lant che.iltry, irowth <br />ireenhouse conditions. <br />aiainst an Alfalfa Itandard. <br /> <br />loil porolity and per.eability. <br />rate. and evapotranlpiration under <br />pertor.ance co.parilonl .ade <br /> <br />I.pact of various irriiation .anaie.ent strateiiel on <br />irowth. includine lerial flow irrieation and staied flow <br />irriiation. under constant and periodic inundation, <br /> <br />III. Facilities Desiin <br /> <br />A. Additional Water Analysis <br /> <br />Conduct water analysis tor water tro. selected sprines <br />for pH, specitic conductance, carbon dioxide <br />concentration, hydroeen sultide concentration and <br />specific analysis for about 20 other ions, Deter.in~ <br />concentrations for full range of te.perature <br />variations. Conduct solubility tests on approxi.ately <br />21 ditterent dissolved solids includine calciu. <br />sulfate. <br /> <br />B. Site Studies <br /> <br />Investieate specific sites available tor <br />de.onstration tacility considering predeter.ined <br />selection criteria. Reco..end sites complete with <br />esti.ates, <br /> <br />the <br />site <br />cost <br /> <br />C. syste. Design <br /> <br />Develop operating CQncept for de.onstration tacility. <br />Gather climatologic, soils. and hydroloeic data for <br />site. Size facilities to accomplish goals for <br />de.onstration tacility, Conduct a heat and .aterial <br />balance study on a .onth by .onth basis and adjust <br />facility sizing if necessary. Carry out detail desien <br />of syste. components sufficient to prepare cost <br />esti.ate. <br /> <br />D. Special Studies <br /> <br />Conduct pond lining investigation to deter.ine best <br />syste. and cost for de.onstration facility. Evaluate <br />under-drain design alternatives for STEP ponds. <br />Investieate use of existine soils versus i.portine sand <br />and eravel fill for erowth .edia in STEP ponds. These <br />three studies will be related and the cost will be <br />interdependent. Therefore, the studies must be carried <br />out si.ultaneously and be closely coordinated, <br />