试验研究第6期(总第402期)文章编号:1673-887X(2023)06-0005-02复盐型硝酸钾钙镁复合肥对马铃薯产量及效益的影响蔺向前,闫建东,胡春宝(山西金兰化工股份有限公司,山西交城030500)摘要采用大田试验研究了球状复盐型硝酸钾钙镁复合肥对马铃薯产量和经济效益的影响。结果表明:按照每0.067hm2马铃薯生长中后期喷施3次复盐型硝酸钾钙镁肥30g兑水15kg喷施,可显著提高马铃薯产量和产值,喷施复盐型硝酸钾钙镁肥料马铃薯产量比不喷施增产17.1%,净增收374.8元/0.067hm2,比喷施等量清水增产13.3%,净增收341.7元/0.067hm2。因此,硝酸钾钙镁复合肥在马铃薯生产中具有极大的推广应用价值关键词硝酸钾钙镁复合肥;马铃薯;产量;效益中图分类号S147.2文献标志码Adoi:10.3969/j.issn.1673-887X.2023.06.001EffectofDoubleSaltPotassiumNitrateCalciumMagnesiumCompoundFertilizeronYieldandEconomicBenefitofPotatoLinXiangqian,YanJiandong,HuChunbao(ShanxiJinlanChemicalCo.,Ltd.,Jiaocheng030500,Shanxi,China)AbstractAbstract:Fieldexperimentswereconductedtostudytheeffectsofsphericalcompoundsaltpotassiumcalciummagnesiumnitratefertilizeronpotatoyieldandeconomicbenefit.Theresultsshowthatsprayingthreetimesofdoublesaltpotassiumcalciummagne‐siumnitratefertilizer30gand15kgwatersprayingeachtime,inthemiddleandlatestagesofpotatogrowthcansignificantlyin‐creasepotatoyieldandoutputvalue.Sprayingdoublesaltpotassiumcalciummagnesiumnitratefertilizerincreasespotatoyieldby17.1%comparedwithnospraying,andthenetincreaseis374.8yuan/0.067hm2.Comparedwithsprayingthesameamountofwa‐ter,theincreasewas13.3%,andthenetincreasewas341.7yuan/0.067hm2.Therefore,potassiumcalciummagnesiumnitratecom‐poundfertilizerhasgreatapplicationvalueinpotatoproduction.Keywords:potassiumnitratecalciummagnesiumcompoundfertilizer,potato,yield,economicbenefit复合肥是化学肥料发展的主要方向之一。随着现代农业产业的发展,复合肥料的需求量不断增加。硝酸钾钙镁肥是一种优质的多营养水溶性肥料,适宜在烟草、甘蔗、甜菜等经济作物及蔬菜作物使用[3]。目前我国硝酸钾钙镁肥主要采用硝酸钾、硝酸钙和硝酸镁或硝酸钾和硝酸钙镁按一定比例混合而成,属于掺混肥,不易混合均匀,且不同肥料因颗粒大小和比例的不同,在...