| The U.S. Clean Air Act isimpacting crop sulfurrequirements. Today, significant areas of the southern and northwestern United States have sulfur recommendations. |
· Mid-Atlantic 20 to 40 lbs/acre
· Southern states 10 to 20 lbs/acre
· Forages 25 to 50 lbs/acre |
| In Canada, canola frequently has yield increases ranging from 10% to 40% and from 10% to 30% on other crops, with some variance depending on province. |
| Common sulphur recommendations include |
| Non-Irrigated Oil and Legume Crops are 40 to 50 lbs/acre, irrigated Legume Oil and Crops are 20 to 60 lbs/acre, Cereals are 15 to 30 lbs/acre. |
| Current consumption of North America |
| About 1.6 million ton sannually, and new sulfate andelemental S fertilizers arecoming on the market. |
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