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Plant growth, vigour and yield are dependent upon the availability of a number of essential element nutrients. Detailed lists of these elements vary slightly but most sources identify three essential, non-mineral elements: carbon, oxygen and hydrogen; six major or macronutrients: nitrogen, phosphorous, potassium, sulphur, calcium...
Tehran has reportedly sent around one thousand élite Iranian Revolutionary Guard Corp (IRGC) troops to back up its proxy Hezbollah forces that are fighting Islamic State terrorists in Syria. These troops will work with the Hezbollah fighters to take the town of Zabadani from IS,...