Parameters analysed in Soil Health Indicator (SHI)

The foundation: Physical

Parameter 

SHI basic
SHI standard
(Fertilisation Manager)
SHI complete
Clay
Silt
Sand
Carbonate lime (CaCO3)
Soil organic matter (SOM)
pH_CaCl2
pH_water
Soil bulk density
Na-plant available  
Na-soil stock
Exchangeable sodium (ESP)    
Sodium absorption ratio (SAR)    
Electrical Conductivity (EC)
Risk soil slaking
Risk on wind erosion
Risk soil structural degradation
Plant available water
Field capacity (pF 2.0)
Irrigation point (pF 3.3)
Wilting point (pF 4.2)
Effective CEC
Ca-CEC
Mg-CEC
Na-CEC
Base saturation CEC

Soil biodiversity: Biological

Parameter  SHI basic SHI standard SHI complete
Total bacteria  
Gram positive    
Actinomycetes    
Gram negative    
Total fungi  
Saprophytes    
Mycorrhiza    
Protozoa    
Microbial biomass
Microbial activity
Fungi/Bacteria ratio
Gram (+) / Gram (-) ratio    
Diversity Index    

Carbon storage: Carbon

Parameter SHI basic SHI standard SHI complete
Soil Organic Carbon (SOC)
Soil Inorganic Carbon (SIC)
Total Carbon (TC)
Carbon in microbial biomass    
Carbon in bacterial biomass    
Carbon in fungal biomass    
Active carbon (POXC)    
Soil Organic Matter (SOM)
Carbon in soil organic matter
Nitrogen in soil organic matter    
Sulphur in soil organic matter    
C/N ratio
C/S ratio
Clay/SOC ratio

Nutrients: Main Nutrients

 Parameter SHI basic SHI standard SHI complete
N-plant available (mineral N)  
N-dissolved NIRS*    
Total N stock
N-supplying capacity
S-plant available   
S-dissolved NIRS*  
Total S stock
S-supplying capacity
P-plant available  
P-plant available NIRS*    
P-soil stock (P-Al) optional optional optional
Total P stock
K-plant available  
K-plant available NIRS*    
K-soil stock
Ca-plant available
Ca-soil stock
Mg-plant available  
Mg-plant available NIRS*    
Mg-soil stock

Nutrients: Micro Nutrients

Parameter SHI basic SHI standard SHI complete
Fe-plant available  
Zn-plant available  
Ni-plant available  
Mn-plant available  
Cu-plant available  
B-plant available  
Mo-plant available  

Nutrients: Beneficial nutrients

Parameter SHI basic SHI standard SHI complete
Si-plant available  
Co-plant available  
Se-plant available   

Contaminants

Parameter SHI basic SHI standard SHI complete
Aluminum, Al   optional
Titanium, Ti   optional
Vanadium, V   optional
Arsenic, As   optional
Cadmium, Cd   optional
Chromium, Cr   optional
Lead, Pb   optional
Tin, Sn   optional
P-binding capacity     
P-saturation    

Advice

Parameter SHI basic SHI standard SHI complete
Crop + soil-based recommendations optional optional optional
Organic carbon balance optional optional optional

Notes:

  • Analyses may be performed using wet chemistry or NIRS (Near Infrared Spectroscopy), depending on laboratory capabilities.

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