anchor.diff:  nodule_wt_previous_crop,23,ICND,4,ICND,14,,Nodule weight from previous crop,kg/ha,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,0,,,1,-1,0,,
   initial_prof_measure_yr,23,ICYR,4,ICYR,21,,Inital profile measurements year,year,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,,,,1,-1,0,,
   profile_measurement_day,23,ICDAY,5,ICDAY,22,,"Day of year, inital profile measurement",doy,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,1,366,,1,-1,0,,
  +initial_profile_wtr_cont_%,26,ICSW%,5,ICSWPC,23,,"Initial water content of entire profile, expressed as percent of available water",%,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,0,,,1,,0,,
   initial_profile_wtr_cont,24,ICSW,4,ICSW,23,,Initial water content of entire profile,mm,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,0,,,1,,0,,
  -initial_profile_wtr_cont_%,26,ICSW%,5,ICSWPC,23,,"Initial water content of entire profile, expressed as percent of available water",%,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,0,,,1,,0,,
   initial_water_tabl_depth,24,ICWT,4,ICWT,24,,Initial water table depth,cm,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,0,,,1,,0,,
   initial_prof_inorg_N,20,ICIN,4,ICIN,25,,Initial profile inorganic nitrogen amount,kg[N]/ha,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,,.,.,0,,,1,,0,,
   initial_prof_NH4,16,ICPNH4,6,ICPNH4,25,,Initial profile soil ammonium,kg[N]/ha,single,,EXPERIMENT,MANAGEMENT,INITIAL_CONDITIONS,,2051,CHP 2/8/2013,.,.,0,,,1,,0,,
  
positive.code: field_sub_sub_country,24,FL_LOC_3,8,FL_LOC_3,7,,"Second political subdivision for field location (e.g, county)",text,text,,EXPERIMENT,MANAGEMENT,FIELDS,,2031,,.,.,,,,1,,0,,
  field_latitude,14,FL_LAT,6,FL_LAT,11,,Field latitude,degree angle,single,,EXPERIMENT,MANAGEMENT,FIELDS,,2031,,.,.,-80,80,,1,,2,2,
  field_longitude,15,FL_LONG,7,FL_LONG,12,,"Field longitude, E positive,W negative",degree angle,single,,EXPERIMENT,MANAGEMENT,FIELDS,,2031,,.,.,-180,180,,1,,2,2,
  field_elevation,15,FLELE,5,FLELE,13,,Elevation of field site,m,single,,EXPERIMENT,MANAGEMENT,FIELDS,,2031,,.,.,-400,"5,000",,1,,1,1,
  field_landscape_position,24,FL_LAND,,FL_LAND,14,,"Landscape class of location (e.g., coastal)",code,text,,EXPERIMENT,MANAGEMENT,FIELDS,,2031,"2013-02-07, JWW",.,.,,,,1,,0,,
  field_slope,11,FLSL,4,FLSL,15,,Field slope (from horizontal),percent,single,,EXPERIMENT,MANAGEMENT,FIELDS,,2031,,.,.,0,90,,1,,0,,
  
negative.code: angstrom_coef_a_month,21,AMTH,4,AMTH,46,,"Angstrom A coefficient, monthly",unitless,single,,WEATHER,WEATHER_STATION,WEATHER_GENER_PARMS,,5046,,.,.,,,,1,-1,0,,
  angstrom_coef_b_month,21,BMTH,4,BMTH,47,,"Angstrom B coefficient, monthly",unitless,single,,WEATHER,WEATHER_STATION,WEATHER_GENER_PARMS,,5046,,.,.,,,,1,-1,0,,
  rainfall_parm_alpha,19,ALPHA,5,ALPHA,48,,"Rainfall distribution scale parameter,",1/mm2,single,,WEATHER,WEATHER_STATION,WEATHER_GENER_PARMS,,5046,,.,.,,,D,1,-1,0,,
  rainfall_total,14,RTOT,4,RTOT,,,Rainfall total,mm/mo,single,,WEATHER,WEATHER_STATION,WEATHER_GENER_PARMS,,5046,,.,.,0,,,1,-1,0,,
  month,5,MONTH,5,fd_MONTH,,,Month of year,number,single,,WEATHER,WEATHER_STATION,WEATHER_GENER_PARMS,,5046,,,MTH,,,,1,-1,0,,
  prob_dry-wet_sequence,21,PDW,3,PDW,,,Probability of a dry-wet sequence,number,single,,WEATHER,WEATHER_STATION,WEATHER_GENER_PARMS,,5046,,.,.,,,,1,-1,0,,
  rainy_days,10,RNUM,4,RNUM,,,Rainy days,number/month,single,,WEATHER,WEATHER_STATION,WEATHER_GENER_PARMS,,5046,,.,.,0,,,1,-1,0,,
  weather_date,,W_DATE,,W_DATE,-99,,"Date for daily weather, field observations, etc.",date,date,,WEATHER,WEATHER_STATION,WEATHER_DAILY,,5052,,,,,,,1,,0,,
  weather_id,10,WID,,WID,0,1,unique id to link to weather data,number,single,,WEATHER,WEATHER_STATION,WEATHER_DAILY,,5052,,,,,,,1,-2,0,,
  weather_station_id,18,WST_ID,6,WST_ID,1,,Weather station identifier to link to site/field information,code,single,,WEATHER,WEATHER_STATION,WEATHER_DAILY,,5052,,,,,,,1,-2,0,,
  