Facts & Figures

The following are quick facts and figures about phosphorus:

 
 

Units & Conversions

P
= 0.44*P2O5
P2O5
= 2.29*P
Mt
= 109 kg

 

 

 

 

Material

Phosphorus content (%P by weight)

Commercial fertilizers:  
phosphate rock 8.5 - 13
phosphoric acid 43.64
MAP 22.69
DAP 20.08
TSP 20.08
SSP 6.55
NP 6.6 - 10.9
PK 3 - 13.1
NPK 2.2 - 10.9
Organic P fertilizer 10.91
Organic NP fertilizer 5.24
   
Other material:  
Human urine 0.02-0.07
Human faeces 0.52
Human excreta 0.35
Activated sewage sludge 1.4
Sludge (from biogas digester) 0.48 - 0.77
Struvite 13 - 14
Cow dung 0.04
Poultry manure 1.27
FYM (Farm Yard Manure) 0.07-0.88
Rural organic matter 0.09
Vermicompost 0.65
Crop residues 0.04 - 0.33
Urban composted material 0.44
Oil cake (by-product from oilseed processing) 0.39 - 1.27
Meatmeal 1.09
Bonemeal 8.73-10.91
   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Glossary
DAP Diammonium phosphate
K Potassium
MAP Monoammonium phosphate
Mt million metric tonnes
N Nitrogen
P Phosphorus
Struvite magnesium ammonium phosphate (NH4MgPO4·6H2O)
t metric tonne (= 1000 kg)
   

 

 

 

 

 

 

 

 

 

 


Figures & graphs

Figure 1: Phosphate rock commodity price 2006-2010 (Worldbank)

 

Figure 2: World phosphate rock reserves (USGS, 2010)

 

Figure 3: World phosphate rock reserves (IFDC, 2010)

 

Figure 4: World phosphate rock production (IFA, 2010)

 

Figure 5: World phosphate rock consumption (IFA, 2010)

 

Figure 6: World phosphate fertilizer consumption - developed & developing countries (1960-2008) (IFADATA)

 

Figure 7: World phosphate rock production (1900-2009) (USGS)