Could you recommend research publications on the energy consumption of phosphorus fertilizers? There is a lot of information on the energy consumption of nitrogen fertilizers, but research on phosphorus and potassium fertilizers is difficult to find.
@ Marja, energy consumption values for phosphate and potash fertilizer are estimated at 5,600 BTUs per pound of phosphate(P2O5) and 4,700 BTUs per pound of potash (K2O).
Energy consumption values for phosphate and potash fertiliser are estimated at 3216.4K.cal per kg of phosphate(P2O5) and 3172.4 K.cal per kg of potash (K2O).
BTU=British thermal unit
1 BTU=0.252 K.cal
1 Pound=0.454 kg
@ Marja, BTU means British Thermal Unit. BTU is a unit of measurement for energy. A single BTU is equal to the amount of energy used to raise the temperature of 1 lb of water 1 degree Fahrenheit.
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