View source: R/bbwp_field_properties.R
bbwp_field_properties | R Documentation |
Estimate the relative ranking of field properties given their contribution to nutrient losses to aquatic ecosystems as well as nutrient and water efficiency. A high rank is indicative for the number of opportunities to improve soil quality and land use.
bbwp_field_properties(
B_SOILTYPE_AGR,
B_LU_BBWP,
B_GWL_CLASS,
B_SC_WENR,
B_HELP_WENR,
B_SLOPE_DEGREE,
B_AER_CBS,
A_CLAY_MI,
A_SAND_MI,
A_SILT_MI,
A_SOM_LOI,
A_N_RT,
A_FE_OX,
A_AL_OX,
A_P_CC,
A_P_AL,
A_P_WA,
A_P_SG,
D_SA_W,
D_RO_R,
B_LSW_ID,
LSW
)
B_SOILTYPE_AGR |
(character) The type of soil, using agronomic classification |
B_LU_BBWP |
(character) The BBWP category used for allocation of measures to BBWP crop categories |
B_GWL_CLASS |
(character) The groundwater table class |
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_HELP_WENR |
(character) The soil type abbreviation, derived from 1:50.000 soil map |
B_SLOPE_DEGREE |
(numeric) The slope of the field (degrees) |
B_AER_CBS |
(character) The agricultural economic region in the Netherlands (CBS, 2016) |
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_SOM_LOI |
(numeric) The organic matter content of the soil (%) |
A_N_RT |
(numeric) The organic nitrogen content of the soil (mg N / kg) |
A_FE_OX |
(numeric) The aluminium content of soil (mmol+ / kg) |
A_AL_OX |
(numeric) The iron content of soil (mmol+ / kg) |
A_P_CC |
(numeric) The plant available P content, measured via 0.01M CaCl2 extraction (mg / kg) |
A_P_AL |
(numeric) The plant extractable P content, measured via ammonium lactate extraction (mg / kg) |
A_P_WA |
(numeric) The P-content of the soil extracted with water (mg P2O5 / L) |
A_P_SG |
(numeric) The P-saturation index (%) |
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 |
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 |
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