METHOD FOR PRODUCTION OF CHLORINE-FREE NITROGEN - POTASSIUM - - MAGNESIUM FERTILIZER

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• 3. INDUSTRIAL NITROGEN-MAGNESIUM-SULPHUR FERTILIZER OR NITROGEN-MAGNESIUM-CALCIUM-SURPHUR COMPACTED FERTILIZER AND METHOD OF ITS PRODUCTION [P] . CS260191B1 . 1988-12-15

  机译： 工业氮镁硫复合肥或氮镁钙硫复合肥及其生产方法

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  机译： 含氮，磷，钾和镁的复合肥料的生产方法

• 5. Procedure for the production of composite fertilizers containing nitrogen, phosphorus, potassium and magnesium (Machine-translation by Google Translate, not legally binding) [P] . ES241974A1 . 1958-11-16

  机译： 包含氮，磷，钾和镁的复合肥料的生产程序（由Google翻译进行机器翻译，无法律约束力）

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• 10. Studies of the Efficiency of Nitrogen Placement Methods and Slow Release Nitrogen Fertilizers for Rice and Wheat, Using N-15 Labelled Fertilizers. Final Report for the Period 1 October 1976 - 30 November 1978 [R] . Shaukat, A. 1979

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