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1、肥料发展与科学施用探讨湖北省黄冈市土壤肥料工作站胡政权摘要:论述了肥料现状、产业的发展趋势以及使用过量对农业生态环境质量的负面影响,提出从肥料生产及科学施肥等方面防治环境污染的对策。认为过量施用化肥引起土壤酸化和结构破坏、重金属污染、水域污染、空气污染和农产品品质下降,严重影响人类生存环境,肥料生产必须向优质高效方向发展,提高有效养分含量,减少附属有害物质含量,采用缓释、控释技术提高肥料利用率,从源头上减少有害物质的投入。在肥料的使用过程中,大力推广测土配方施肥,采用科学的施肥方法提高肥料利用率,增施有机肥,提高土壤保水保肥能力,避免盲目过量肥料投入引起资源浪费与环
2、境污染,在肥料利用率、作物产量、产品品质、经济效益、生态环境之间寻求平衡,实现农业可持续发展。关键词:肥料;土壤;作物;污染;安全;对策FertilizerdevelopmentandscienceemploymentdiscussionZHENGQuan-huSoilandFertilizerWorkstationHuanggangCity,HubciProvinceAbstract:Elaboratedthefertilizerpresentsituation,theindustrialtrendofdevelopmentaswellastheuseexcess
3、ivetotheagricultureecologicalenvironmentqualitynegativeinfluence,proposedthatappliesfertilizerandsoonaspectsfromthefertilizerproductionandthesciencetopreventandcontroltheenvironmentalpollutionthecountermeasure.Thoughtthattheexcessiveemploymentchemicalfertilizercausesthesoilacidificatio
4、nandthedisarrangementofthestructure,theheavymetalpollution,thewaterpollution,theairpollutionandtheagriculturalproductqualitydrops,theseriousinfluencehumanitylivingenvironment,thefertilizerproductionmustdeveloptothehighqualityhighlyeffectivedirection,raisestheavailablenutrientcontent,re
5、ducestheattacheddeleterioussubstancecontent,usestheslowrelease,tocontrolreleasesthetechnologytoraisethefertilizerusefactor,reducesthedeleterioussubstancefromthesourcetheinvestment.Inthefertilizeruseprocess,promotesvigorouslymeasuredthattheearthformulaappliesfertilizer,usesthesciencetoa
6、pplyfertilizerthemethodtoraisethefertilizerusefactor,increasesexecutestheorganicfertilizer,improvesoilabilitytoretainwaterandnutrients,avoidstheblindexcessivefertilizerinvestmentcausingtheresourceswasteandtheenvironmentalpollution,betweenthefertilizerusefactor,thecropoutput,theproductq
7、uality,theeconomicefficiency,theecologicalenvironmentseeksbalanced,Achievesustainabledevelopmentinagriculture・keyword:Fertilizer;Soil;Crops;Pollution;Safe;Countermeasure化肥最早是1840年德国科学家李比希在总结前人研究成果的基础上,批判了腐质营养学说而提出矿质营养学说。1843年,第一种化学肥料一一过磷酸钙在英国诞生,1870年德国生产出钾肥,20世纪初合成氨研制成功。我国早在西周时就已知道田间