This functions wraps the functions of the BLN2 into one main function to calculate the soil quality score for a single field.
Usage
bln_field(
ID,
B_LU_BRP,
B_SC_WENR,
B_GWL_CLASS,
B_SOILTYPE_AGR,
B_HELP_WENR,
B_AER_CBS,
B_GWL_GLG,
B_GWL_GHG,
B_GWL_ZCRIT,
B_DRAIN,
B_FERT_NORM_FR,
B_SLOPE_DEGREE,
B_GWP,
B_AREA_DROUGHT,
B_CT_PSW,
B_CT_NSW,
B_CT_PSW_MAX = 0.5,
B_CT_NSW_MAX = 5,
B_SOMERS_BC,
B_DRAIN_SP,
B_DRAIN_WP,
A_SOM_LOI,
A_SOM_LOI_MLMAX = NA_real_,
A_CLAY_MI,
A_SAND_MI,
A_SILT_MI,
A_DENSITY_SA,
A_FE_OX,
A_AL_OX,
A_PH_CC,
A_N_RT,
A_CN_FR,
A_S_RT,
A_N_PMN,
A_P_AL,
A_P_CC,
A_P_WA,
A_P_SG,
A_CEC_CO,
A_CA_CO_PO,
A_MG_CO_PO,
A_K_CO_PO,
A_K_CC,
A_MG_CC,
A_MN_CC,
A_ZN_CC,
A_CU_CC,
A_EW_BCS = NA,
A_SC_BCS = NA,
A_GS_BCS = NA,
A_P_BCS = NA,
A_C_BCS = NA,
A_RT_BCS = NA,
A_RD_BCS = NA,
A_SS_BCS = NA,
A_CC_BCS = NA,
D_SA_W,
D_RO_R,
M_COMPOST = NA_real_,
M_GREEN = NA,
M_NONBARE = NA,
M_EARLYCROP = NA,
M_SLEEPHOSE = NA,
M_DRAIN = NA,
M_DITCH = NA,
M_UNDERSEED = NA,
M_LIME = NA,
M_NONINVTILL = NA,
M_SSPM = NA,
M_SOLIDMANURE = NA,
M_STRAWRESIDUE = NA,
M_MECHWEEDS = NA,
M_PESTICIDES_DST = NA,
B_LSW_ID = NA_character_,
LSW = NULL,
output = "all",
runrothc = FALSE,
i_clim_rothc = NA_real_,
mc = FALSE,
quiet = TRUE
)
Arguments
- ID
(character) A field id
- B_LU_BRP
(numeric) a series with crop codes given the crop rotation plan (source: the BRP)
- B_SC_WENR
(character) The risk for subsoil compaction as derived from risk assessment study of Van den Akker (2006).
- B_GWL_CLASS
(character) The groundwater table class
- B_SOILTYPE_AGR
(character) The agricultural type of soil
- B_HELP_WENR
(character) The soil type abbreviation, derived from 1:50.000 soil map
- B_AER_CBS
(character) The agricultural economic region in the Netherlands (CBS, 2016)
- B_GWL_GLG
(numeric) The lowest groundwater level averaged over the most dry periods in 8 years in cm below ground level
- B_GWL_GHG
(numeric) The highest groundwater level averaged over the most wet periods in 8 years in cm below ground level
- B_GWL_ZCRIT
(numeric) The distance between ground level and groundwater level at which the groundwater can supply the soil surface with 2mm water per day (in cm)
- B_DRAIN
(boolean) Are drains installed to drain the field (options: yes or no)
- B_FERT_NORM_FR
(numeric) The fraction of the application norm utilized
- B_SLOPE_DEGREE
(numeric) The slope of the field (degrees)
- B_GWP
(boolean) is the field located in a groundwater protected area (options: TRUE or FALSE)
- B_AREA_DROUGHT
(boolean) is the field located in an area with high risks for water deficiencies (options: TRUE or FALSE)
- 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_NSW
(numeric) the critical target for required reduction in N loss from agriculture (kg N / ha) to reach targets of KRW
- B_CT_PSW_MAX
(numeric) the max critical target for P reduction loss (kg P / ha)
- B_CT_NSW_MAX
(numeric) the max critical target for N reduction loss (kg N / ha)
- B_SOMERS_BC
(integer) The base combination of SOMERS peat soil classification (varies between 1 and 290)
- B_DRAIN_SP
(numeric) the drooglegging of a field in summer (difference field height and ditch level, in meters)
- B_DRAIN_WP
(numeric) the drooglegging of a field in winter (difference field height and ditch level, in meters)
- A_SOM_LOI
(numeric) The percentage organic matter in the soil (%)
- A_SOM_LOI_MLMAX
(numeric) The max. percentage organc matter estimated via machine learning model (%)
- A_CLAY_MI
(numeric) The clay content of the soil (%)
- A_SAND_MI
(numeric) The sand content of the soil (%)
- A_SILT_MI
(numeric) The silt content of the soil (%)
- A_DENSITY_SA
(numeric) The bulk density of the soil (kg/m3)
- A_FE_OX
(numeric) The aluminium content of soil (mmol / kg)
- A_AL_OX
(numeric) The iron content of soil (mmol / kg)
- A_PH_CC
(numeric) The acidity of the soil, measured in 0.01M CaCl2 (-)
- A_N_RT
(numeric) The organic nitrogen content of the soil in mg N / kg
- A_CN_FR
(numeric) The carbon to nitrogen ratio (-)
- A_S_RT
(numeric) The total Sulfur content of the soil (in mg S per kg)
- A_N_PMN
(numeric) The potentially mineralizable N pool (mg N / kg soil)
- A_P_AL
(numeric) The P-AL content of the soil
- A_P_CC
(numeric) The plant available P content, extracted with 0.01M CaCl2 (mg / kg)
- A_P_WA
(numeric) The P-content of the soil extracted with water (mg P2O5 / 100 ml soil)
- A_P_SG
(numeric) The P-saturation index (%)
- A_CEC_CO
(numeric) The cation exchange capacity of the soil (mmol+ / kg), analyzed via Cobalt-hexamine extraction
- A_CA_CO_PO
(numeric) The The occupation of the CEC with Ca (%)
- A_MG_CO_PO
(numeric) The The occupation of the CEC with Mg (%)
- A_K_CO_PO
(numeric) The occupation of the CEC with K (%)
- A_K_CC
(numeric) The plant available K content, extracted with 0.01M CaCl2 (mg / kg)
- A_MG_CC
(numeric) The plant available Mg content, extracted with 0.01M CaCl2 (ug / kg)
- A_MN_CC
(numeric) The plant available Mn content, extracted with 0.01M CaCl2 (ug / kg)
- A_ZN_CC
(numeric) The plant available Zn content, extracted with 0.01M CaCl2 (ug / kg)
- A_CU_CC
(numeric) The plant available Cu content, extracted with 0.01M CaCl2 (ug / kg)
- A_EW_BCS
(numeric) The presence of earth worms (optional, score 0-1-2)
- A_SC_BCS
(numeric) The presence of compaction of subsoil (optional, score 0-1-2)
- A_GS_BCS
(numeric) The presence of waterlogged conditions, gley spots (optional, score 0-1-2)
- A_P_BCS
(numeric) The presence / occurrence of water puddles on the land, ponding (optional, score 0-1-2)
- A_C_BCS
(numeric) The presence of visible cracks in the top layer (optional, score 0-1-2)
- A_RT_BCS
(numeric) The presence of visible tracks / rutting or trampling on the land (optional, score 0-1-2)
- A_RD_BCS
(integer) The rooting depth (optional, score 0-1-2)
- A_SS_BCS
(integer) The soil structure (optional, score 0-1-2)
- A_CC_BCS
(integer) The crop cover on the surface (optional, score 0-1-2)
- D_SA_W
(numeric) The wet perimeter index of the field, fraction that field is surrounded by water
- D_RO_R
(numeric) The risk that surface water runs off the parcel
- M_COMPOST
(numeric) The frequency that compost is applied (optional, every x years)
- M_GREEN
(boolean) A soil measure. Are catch crops sown after main crop (optional, option: yes or no)
- M_NONBARE
(boolean) A soil measure. Is parcel for 80 percent of the year cultivated and 'green' (optional, option: yes or no)
- M_EARLYCROP
(boolean) A soil measure. Use of early crop varieties to avoid late harvesting (optional, option: yes or no)
- M_SLEEPHOSE
(boolean) A soil measure. Is sleephose used for slurry application (optional, option: yes or no)
- M_DRAIN
(boolean) A soil measure. Are under water drains installed in peaty soils (optional, option: yes or no)
- M_DITCH
(boolean) A soil measure. Are ditched maintained carefully and slib applied on the land (optional, option: yes or no)
- M_UNDERSEED
(boolean) A soil measure. Is grass used as second crop in between maize rows (optional, option: yes or no)
- M_LIME
(boolean) measure. Has field been limed in last three years (option: yes or no)
- M_NONINVTILL
(boolean) measure. Non inversion tillage (option: yes or no)
- M_SSPM
(boolean) measure. Soil Structure Protection Measures, such as fixed driving lines, low pressure tires, and light weighted machinery (option: yes or no)
- M_SOLIDMANURE
(boolean) measure. Use of solid manure (option: yes or no)
- M_STRAWRESIDUE
(boolean) measure. Application of straw residues (option: yes or no)
- M_MECHWEEDS
(boolean) measure. Use of mechanical weed protection (option: yes or no)
- M_PESTICIDES_DST
(boolean) measure. Use of DST for pesticides (option: yes or no)
- B_LSW_ID
(character) An unique identifier for each Local Surface Water per field
- LSW
(data.table) The averaged soil properties (mean and sd) per Local Surface Water. Can be derived from bbwp_lsw_properties.
- output
(character) An optional argument to select output: scores, indicators, or all. (default = all)
- runrothc
(boolean) An argument to switch off rothc calculations due to running time (default: FALSE)
- i_clim_rothc
(numeric) the soil indicator for carbon saturation derived via rothc.
- mc
(boolean) option to run rothc in parallel on multicores
- quiet
(boolean) showing progress bar for calculation RothC C-saturation for each field