Skip to contents

Function to calculate and evaluate the P buffering capacity of soils in view of water purification for surface quality

Source: R/bln_sw_bbwp_phosphate.R
bln_bbwp_psw.Rd

This function gives the PSW score of the BBWP framework

Usage

bln_bbwp_psw(
  ID,
  B_LU_BRP,
  B_SC_WENR,
  B_AER_CBS,
  B_GWL_CLASS,
  B_SLOPE_DEGREE,
  A_P_CC,
  A_P_SG,
  A_AL_OX,
  A_FE_OX,
  D_RO_R,
  D_SA_W,
  B_RO_R = NA_real_,
  B_RO_R_SD = NA_real_,
  B_P_CC = NA_real_,
  B_P_CC_SD = NA_real_,
  B_P_SG = NA_real_,
  B_P_SG_SD = NA_real_,
  B_AL_OX = NA_real_,
  B_AL_OX_SD = NA_real_,
  B_FE_OX = NA_real_,
  B_FE_OX_SD = NA_real_,
  B_CT_PSW,
  B_CT_PSW_MAX = 0.5,
  penalty = TRUE
)

Arguments

ID

(character) A field id

B_LU_BRP

(numeric) The crop code

B_SC_WENR

(integer) The risk for subsoil compaction as derived from risk assessment study of Van den Akker (2006). Options include: 1,2,3,4,5,10,11,401,901 and 902.

B_AER_CBS

(character) The agricultural economic region in the Netherlands (CBS, 2016)

B_GWL_CLASS

(character) The groundwater table class

B_SLOPE_DEGREE

(numeric) The slope of the field (degrees)

A_P_CC

(numeric) The plant available P content, measured via 0.01M CaCl2 extraction (mg / kg)

A_P_SG

(numeric) The P-saturation index (%)

A_AL_OX

(numeric) The iron content of soil (mmol / kg)

A_FE_OX

(numeric) The aluminium content of soil (mmol / kg)

D_RO_R

(numeric) The risk that surface water runs off the parcel

D_SA_W

(numeric) The wet perimeter index of the field, fraction that field is surrounded by water

B_RO_R

(numeric) The mean D_RO_R of the soil in the LSW region. Optional.

B_RO_R_SD

(numeric) The variance in D_RO_R in the LSW region (standard deviation). Optional.

B_P_CC

(numeric) The mean P-CaCl2 content of the soil in the LSW region (mg P / kg). Optional.

B_P_CC_SD

(numeric) The variance in P-CaCl2 content of the soil in the LSW region (standard deviation) (mg P / kg). Optional.

B_P_SG

(numeric) The mean P saturation degree of the soil in the LSW region (mg N / kg). Optional.

B_P_SG_SD

(numeric) The variance in P saturation degree of the soil in the LSW region (standard deviation) (%). Optional.

B_AL_OX

(numeric) The mean Al-oxide content of the soil in the LSW region (%). Optional.

B_AL_OX_SD

(numeric) The variance in Al-oxide content of the soil in the LSW region (standard deviation) (mmol+ / kg). Optional.

B_FE_OX

(numeric) The mean Fe-oxide content of the soil in the LSW region (mmol+ / kg). Optional.

B_FE_OX_SD

(numeric) The variance in Fe-oxide content of the soil in the LSW region (standard deviation) (mmol+ / kg). Optional.

B_CT_PSW

(numeric) the critical target for required reduction in P loss from agriculture (kg P / ha) to reach targets of KRW

B_CT_PSW_MAX

(numeric) the max critical target for P reduction loss (kg P / ha)

penalty

(boolean) the option to apply a penalty for high risk BBWP field indicators. Default is TRUE.