Comparative Economics of TSP and DAP

Naturally, the cost of transport will depend on the method and distance, and the cost of bags wiU depend on fhe type aricTsize ofTiags required by the market conditions. However, Table 12.10 shows that a total saving in delivered cost of up to 35/tonne would result under the assumed conditions by producing and marketing 0.18 tonne of N and 0.46 tonne of P2O5 in the form of DAP as compared with TSP and urea The illustration does not assume that TSP and urea are mixed. The mixture (blend) would have poor physical properties because the two materials are incompatible. 

The chemical composition and physical properties given in Table 12.12 are for illustration only. In some countries, fertilizer properties have been standardized however, commerce in fertilizers is organized around 

Cost Components Regimal Trade Regional Trade Interregional Trade Interregional Trade 

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