【论坛】国内外硫磺供需形势分析刘颐华(中国石油和化学工业规划院,北京100013)[摘要]论述世界硫磺生产与消费情况;世界硫酸消费和对硫的需求预测;世界硫磺贸易现状和价格变化及预测;我国硫资源生产概况及进口硫磺情况;我国对硫磺需求的预测。我国硫磺对外依存度将达约60%,今后全球硫磺产量增长速度大于消费速度,仍将保持供过于求的局面。[关键词]世界;中国;硫磺;供需形势;分析[]TQ111.14[文献标识码]A[]1007-6220(2006)06-0001-05ThetrendofsulfursupplyanddemandathomeandabroadLIUYi-hua(ChinaNationalPetroleumandChemicalPlanningInstitute,Bei激ng100013,China)Abstract:Theglobalproductionandconsumptionofsulfurarepresented,theconsumptionofsulfuricacidandthedemandtosulfur,globalsulfurtradeandpricetrendarealsopredicted.Meanwhile,theproductionandimportofChina'ssulfurarepresentedandthedemandtosulfurispredicted.About60%ofsulfurhastobeimportedforChina'sconsumptionanditisbelievedtheglobalsupplyofsulfurisalittlehigherthanglobalconsumption.Keywords:world;China;sulfur;supplyanddemand;discussion根据我国近28年磷肥产量趋势及其波动特征预测磷肥发展趋势马骥1,张卫峰2,1(1.中国农业大学经济管理学院,北京100094;2.中国农业大学资源与环境学院,北京100094)[摘要]通过对我国1978~2005年磷肥产量的长期趋势和周期波动特征的分析,预测我国磷肥发展趋势,并对我国磷肥产业策略调整提出了几点建议。[关键词]磷肥产量;长期趋势;周期波动[]TQ442[文献标识码]A[]1007-6220(2006)06-0006-03Predictingthetrendofphosphatefertilizerinthelightofitsproductionandfluctuationcharacteristicsinlast28yearsMA激1,ZHANGWei-feng2,1(1.CollegeofEconomicsandManagement,ChinaAgriculturalUniversity,Bei激ng100094,China;2.CollegeofResourcesandEnvironment,ChinaAgriculturalUniversity,Bei激ng100094,China)Abstract:Inthelightofthelong-termtrendandcyclicalfluctuationofChina'sphosphatefertilizeroutputsduringtheperiodof1978~2005,thedevelopmentofphosphatefertilizerindustryinChinaispredicted,andsomesuggestionsareproposedforimprovingthisindustry.Keywords:phosphatefertilizeroutput;long-termtrend;cyclicalfluctuation缓释、控释肥料生产、使用前景展望许秀成(磷肥与复肥编辑部,河南郑州450002)[摘要]从我国氮、磷、钾肥高消费、低利用率的现状,阐述了为什么缓控释肥被列为国家中长期科学技术发展计划的优先主题之一。介绍了哪些肥料是缓释、控释肥及当前世界生产、消费量。据估计,2005年世界缓释、控释肥料产量及消费量不超过100万t/a,若包括用于大田作物,具有一定缓释性能的包膜、包裹、包囊肥料,即广义的缓释、控释肥料世界生产、消费量已达120万t/a。展望了缓控释肥生产使用前景,在世界范围内,缓控释肥生产与消费的制约条件是产品价格;就国内而言,农民对肥料要求速效、速溶、速散是推广缓释、控释肥的主要思想障碍。降低生产成本,转变农民对缓释肥的认识,才能推动我国缓控释肥高速发展。[关键词]缓释肥料;控释肥料;生产;供应;前景展望[]TQ449+1[文献标识码]A[]1007-6220(2006)06-0009-03ProspectsfortheproductionandapplicationofslowandcontrolledreleasefertilizersXUXiu-cheng(EditorialDepartmentofPhosphateCompoundFertilizer,Zhengzhou,Henan450002,China)Abstract:AsoneofthepriorityinChinaforthescienceandtechnologydevelopmentinthemiddleandlongterm,theslowandcontrolledreleasefertilizersarediscussedfromthereasonsonhighconsumptionandlowapplicationeffectofthecurrentnitrogen,phosphorusandpotassiumfertilizers.Thevarietiesandspecificationsofslowandcontrolledreleasefertilizers,aswellastheirtotaloutputandconsumptionintheworldarealsodescribed.Byestimate,theglobalproductionandconsumptionoftheslowandcontrolledreleasefertiliz...