All functions 


Estimate default values for management 

Example dataset for use in OBIC package 

Table with water retention properties of 'bouwstenen' 

Calculate aggregate stability index based on occupation CEC 

Calculate the BodemConditieScore 

Calculate the bulk density 

Calculate a soil fertility index based on the CEC 

Calculate the availability of the metal Cu 

Determine classification rules for crops used to prepare crops.obic 

Calculate the crumbleability 

Calculate the average age of the grass 

Calculate the capacity of soils to supply Magnesium 

Add Makkink correction factors and crop cover to crop rotation table 

Calculate the 'performance' of sustainable soil management given a required ecosystem service 

Calculate the 'performance' of sustainable soil management 

Calculate nitrogen use efficiency and leaching based on N surplus 

Calculate the N leaching 

Calculate the NLV 

Calculate amount of organic carbon 

Calculate the permeability of the top soil 

Calculate risk of pesticide leaching 

Calculate the difference between pH and optimum 

Calculate the phosphate availability (PBI) 

Calculate the index for the microbial biological activity 

Calculate the K availability 

Calculate the precipitation surplus 

Determine the root depth of the soil for this crop 

Calculates the fraction in the crop rotation 

Calculate the indicator for delta Sbalance arable 

Calculate soil sealing risk 

Calculate the SLV 

Calculate simple organic matter balance 

Calculate indicators for water retention in topsoil 

Calculate the Water Stress Index 

Calculate indicator for wind erodibility 

Calculate indicator for workability 

Calculate the availability of the metal Zinc 

Helper function to weight and correct the risk and scores 

Column description for the OBIC 

Makkink correction factor table 

Linking table between crops and different functions in OBIC 

Coefficient table for evaluating crumbleability 

Evaluate using the general logistic function 

Evaluate using parabolic function with 

Convert possible B_AER_CBS values to standardized values 

Convert possible B_GWL_CLASS values to standardized values 

Convert possible B_SC_WENR values to standardized values 

Calculate the indicator aggregate stability 

Calculate the indicator for BodemConditieScore 

Calculate the indicator for soil fertility given the CEC 

Calculate indicator for subsoil compaction 

Calculate the indicator for Cuavailability 

Calculate the indicator for crumbleability 

Calculate groundwater recharge of a soil 

Calculate the indicator for Magnesium 

Calculate the indicator for sustainable management given a required ecoystem service 

Calculate the indicator for sustainable management 

Calculate an indicator value for nitrogen use efficiency and leaching based on N surplus 

Calculate indicator for plant parasitic nematodes 

Calculate indicator for plant parasitic nematodes 

Calculate the indicator for NLV 

Calculate the indicator for N retention for groundwater or surface water 

Calculate the indicator score for the permeability of the top soil 

Calculate an indicator score for pesticide leaching 

Calculate the indicator for pH 

Calculate the indicator for the the phosphate availability 

Calculate the indicator for microbial biological activity 

Calculate the indicator for Potassium Availability 

Calculate indicator for precipitation surplus 

Calculate indicator for soil resistance 

Calculate the soil sealing indicator 

Calculate the indicator for SLV 

Calculate the indicator for SLV (deprecated) 

Calculate indicator for Water Retention index 

Calculate the Water Stress Index 

Calculate indicator for wind erodibility 

Calculate indicator for workability 

Calculate the indicator for Znavailability 

Relational table linking soil management measures to ecosystem services 

Damage and reproduction of soilborne pathogens and pests on crops 

Nematode table 

Table with fractions of excess N which runs off to groundwater and surface water 

Evaluate effects of measures 

Calculate the Open Bodem Index score for a series of fields belonging to a farm 

Calculate the Open Bodem Index score for one field 

Calculate the Open Bodem Index score for a data table 

Recommend measurements for better soil management 

Recommend measurements for better soil management 

Water retention curve 

Parameter estimation based on class of Staringreeks (Tabel 3, Wosten 2001) 

Estimate water retention curve parameters based on Wosten 1999 

Estimate water retention curve parameters based on Wosten 2001 

Applicability range of measures, including literature based estimates, of effects on soil indicators 

Effects of measures on soil indicators 

Desired growing season period for maximum yield 

Linking table between soils and different functions in OBIC 

Table with optimal pH for different crop plans 

Linking table between crops, soils, groundwater tables and water induced stresses in OBIC 

Weather table 

Weight of indicators to calculate integrated scores 