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

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