If I want to apply 2.5 mg K per square meter. To a land of 15 hectares.
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If I want to apply 2.5 mg K per square meter. To a land of 15 hectares. How many kilograms of 75% pure potassium pentoxide do I require? How many quintals are equivalent? If the price per pound is 7 cents. How many dollars is the investment?
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