Straw Valuation app for iPhone and iPad

Straw Valuation app for Farmers
This is a guide to the value of phosphate & potash removed from the soil when straw is removed from the field.
Cereals straw can vary in value ie Oat straw is worth considerably more than wheat straw
The cost of baling ,carting and replacement fertiliser are not included in this calculation
When inputting Phosphate & Potash values the app works in all currencies.
These figures are a guidence only as phosphates & potash contents can vary depending on rainfall, crop maturity & previous chemical applications
This app also has the facility to e mail your answer