Glass fertilizer beads could be a sustained nutrient delivery system / Innovative process converts urine into slow-release crystal fertilizer / Laos fertilizer exports to China boom amid Russian sanctions / Mineral fertilizer export duty in Russia to be 7% by end of December / Russia delivers of 55,000 tons of fertilizers to Sri Lanka -- embassy / Fertilizer imports surge by 121.36pc in four months / Fine-tuning fertilizers to boost crop yields: Lowering fertilizer pH can increase solubility, availability of zinc / Russia to increase fertilizer supplies to Malaysia / Human urine could be used as eco-friendly crop fertilizer: Study / Human manure or 'nightsoil' makes great crop fertilizer--but attitudes to poo-grown produce differ drastically