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IFA: International Fertilizer Industry Association (261 words)
Papers presented at the IFA International Workshop on Fertilizer Best Management Practices, Brussels, Belgium, 7-9 March 2007
How Can the Fertilizer Industry Contribute to the Nutrition Security Challenge Through Micronutrient Applications?
Glossary of Fertilizer Terms - The multilingual table of the fertilizer types is now available in Chinese and Russian
Fertilizer (734 words)
Fertilizer , any material, natural or manufactured , which may be added to the soil to supply plant nutrients .
Phosphate fertilizers are made from phosphate rock (about 25% phosphorus ), treated with sulphuric acid to produce phosphoric acid which, in turn, is used to manufacture fertilizers such as ammonium phosphate .
In addition to being used to produce phosphate fertilizers , sulphur dioxide gas is combined with water to produce sulphuric acid, which is mixed with anhydrous ammonia to produce ammonium sulphate.
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