Function reference • OBIC

All functions
`add_management()`	Estimate default values for management
`binnenveld`	Example dataset for use in OBIC package
`bouwsteen_tb`	Table with water retention properties of 'bouwstenen'
`calc_aggregatestability()`	Calculate aggregate stability index based on occupation CEC
`calc_bcs()`	Calculate the BodemConditieScore
`calc_bulk_density()`	Calculate the bulk density
`calc_cec()`	Calculate a soil fertility index based on the CEC
`calc_copper_availability()`	Calculate the availability of the metal Cu
`calc_cropclass()`	Determine classification rules for crops used to prepare crops.obic
`calc_crumbleability()`	Calculate the crumbleability
`calc_grass_age()`	Calculate the average age of the grass
`calc_magnesium_availability()`	Calculate the capacity of soils to supply Magnesium
`calc_makkink()`	Add Makkink correction factors and crop cover to crop rotation table
`calc_man_ess()`	Calculate the 'performance' of sustainable soil management given a required ecosystem service
`calc_management()`	Calculate the 'performance' of sustainable soil management
`calc_n_efficiency()`	Calculate nitrogen use efficiency and leaching based on N surplus
`calc_nleach()`	Calculate the N leaching
`calc_nlv()`	Calculate the NLV
`calc_organic_carbon()`	Calculate amount of organic carbon
`calc_permeability()`	Calculate the permeability of the top soil
`calc_pesticide_leaching()`	Calculate risk of pesticide leaching
`calc_ph_delta()`	Calculate the difference between pH and optimum
`calc_phosphate_availability()`	Calculate the phosphate availability (PBI)
`calc_pmn()`	Calculate the index for the microbial biological activity
`calc_potassium_availability()`	Calculate the K availability
`calc_psp()`	Calculate the precipitation surplus
`calc_root_depth()`	Determine the root depth of the soil for this crop
`calc_rotation_fraction()`	Calculates the fraction in the crop rotation
`calc_sbal_arable()`	Calculate the indicator for delta S-balance arable
`calc_sealing_risk()`	Calculate soil sealing risk
`calc_slv()`	Calculate the SLV
`calc_sombalance()`	Calculate simple organic matter balance
`calc_waterretention()`	Calculate indicators for water retention in topsoil
`calc_waterstressindex()`	Calculate the Water Stress Index
`calc_winderodibility()`	Calculate indicator for wind erodibility
`calc_workability()`	Calculate indicator for workability
`calc_zinc_availability()`	Calculate the availability of the metal Zinc
`cf_ind_importance()`	Helper function to weight and correct the risk and scores
`column_description.obic`	Column description for the OBIC
`crops.makkink`	Makkink correction factor table
`crops.obic`	Linking table between crops and different functions in OBIC
`eval.crumbleability`	Coefficient table for evaluating crumbleability
`evaluate_logistic()`	Evaluate using the general logistic function
`evaluate_parabolic()`	Evaluate using parabolic function with
`format_aer()`	Convert possible B_AER_CBS values to standardized values
`format_gwt()`	Convert possible B_GWL_CLASS values to standardized values
`format_soilcompaction()`	Convert possible B_SC_WENR values to standardized values
`ind_aggregatestability()`	Calculate the indicator aggregate stability
`ind_bcs()`	Calculate the indicator for BodemConditieScore
`ind_cec()`	Calculate the indicator for soil fertility given the CEC
`ind_compaction()`	Calculate indicator for subsoil compaction
`ind_copper()`	Calculate the indicator for Cu-availability
`ind_crumbleability()`	Calculate the indicator for crumbleability
`ind_gw_recharge()`	Calculate groundwater recharge of a soil
`ind_magnesium()`	Calculate the indicator for Magnesium
`ind_man_ess()`	Calculate the indicator for sustainable management given a required ecoystem service
`ind_management()`	Calculate the indicator for sustainable management
`ind_n_efficiency()`	Calculate an indicator value for nitrogen use efficiency and leaching based on N surplus
`ind_nematodes()`	Calculate indicator for plant parasitic nematodes
`ind_nematodes_list()`	Calculate indicator for plant parasitic nematodes
`ind_nitrogen()`	Calculate the indicator for NLV
`ind_nretention()`	Calculate the indicator for N retention for groundwater or surface water
`ind_permeability()`	Calculate the indicator score for the permeability of the top soil
`ind_pesticide_leaching()`	Calculate an indicator score for pesticide leaching
`ind_ph()`	Calculate the indicator for pH
`ind_phosphate_availability()`	Calculate the indicator for the the phosphate availability
`ind_pmn()`	Calculate the indicator for microbial biological activity
`ind_potassium()`	Calculate the indicator for Potassium Availability
`ind_psp()`	Calculate indicator for precipitation surplus
`ind_resistance()`	Calculate indicator for soil resistance
`ind_sealing()`	Calculate the soil sealing indicator
`ind_sulfur()`	Calculate the indicator for SLV
`ind_sulpher()`	Calculate the indicator for SLV (deprecated)
`ind_waterretention()`	Calculate indicator for Water Retention index
`ind_waterstressindex()`	Calculate the Water Stress Index
`ind_winderodibility()`	Calculate indicator for wind erodibility
`ind_workability()`	Calculate indicator for workability
`ind_zinc()`	Calculate the indicator for Zn-availability
`management.obic`	Relational table linking soil management measures to ecosystem services
`nema.crop.rot.obic`	Damage and reproduction of soil-borne pathogens and pests on crops
`nema.obic`	Nematode table
`nleach_table`	Table with fractions of excess N which runs off to groundwater and surface water
`obic_evalmeasure()`	Evaluate effects of measures
`obic_farm()`	Calculate the Open Bodem Index score for a series of fields belonging to a farm
`obic_field()`	Calculate the Open Bodem Index score for one field
`obic_field_dt()`	Calculate the Open Bodem Index score for a data table
`obic_recommendations()`	Recommend measurements for better soil management
`obic_recommendations_bkp()`	Recommend measurements for better soil management
`pF_curve()`	Water retention curve
`pFpara_class()`	Parameter estimation based on class of Staringreeks (Tabel 3, Wosten 2001)
`pFpara_ptf_Wosten1999()`	Estimate water retention curve parameters based on Wosten 1999
`pFpara_ptf_Wosten2001()`	Estimate water retention curve parameters based on Wosten 2001
`recom.obic` `recom.obic`	Applicability range of measures, including literature based estimates, of effects on soil indicators
`recom.obic_bkp`	Effects of measures on soil indicators
`season.obic`	Desired growing season period for maximum yield
`soils.obic`	Linking table between soils and different functions in OBIC
`tbl.ph.delta`	Table with optimal pH for different crop plans
`waterstress.obic`	Linking table between crops, soils, groundwater tables and water induced stresses in OBIC
`weather.obic`	Weather table
`weight.obic`	Weight of indicators to calculate integrated scores

Reference

All functions