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时间:2020-04-16
《辣椒施用锌肥的产量及经济效益-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、贵州农业科学2014,42(5):89~91GuizhouAgriculturalSciences[文章编号]1oo1—3601(2014)05—0267—0089—03辣椒施用锌肥的产量及经济效益左明玉(贵州省遵义市土肥站,贵州遵义563000)[摘要]为探明适量氮、磷、钾肥条件下施用锌肥对辣椒产量及经济效益的影响,比较了锌肥基施4个用量(1.5kg/667m。,2.5kg/667m,3.5kg/667m,4.5kg/667m)和喷施4个用量及次数(0.5kg/667m,喷1次;1kg/667m,喷施2次;1.5kg/667m,喷施3次;2kg/667m。,喷施4次)的产量,探讨
2、微量元素锌在辣椒上的适宜用量和施用方式。结果表明:施用锌肥各处理产量均高于不施(对照),锌肥喷施平均鲜辣椒产量为2699.8kg/667m,基施为2586.5kg/667m,喷施比基施增产113.3kg/667m,增幅4.4;产出投入比基施随锌肥用量的增加变化不大,喷施随用量和喷施次数的增加而减少。综合比较,锌肥以喷施量为0.5kg/667m,喷施1次效果较好;锌肥基施以2.5kg/667m。为宜。[关键词]辣椒;锌肥;产量;施用方式;用量[中图分类号]$641.3[文献标识码]AEffectsofZnFertilizeronYieldandEconomicBenefitofHot
3、PepperZUOMingyu(ZunyiSoilandFertilizerStation,Zunyi,Guizhou563000,China)Abstract:TheyieldofhotpeppertreatmentsappliedwithfourdifferentZnapplicationamounts(1.5kg/667m。,2.5kg/667m。,3.5kg/667m,4.5kg/667m)asthebasalmanureordifferentsprayingamounts[O.5kg/667m(1time),1kg/667m(2times),1.5kg/667m(3tim
4、es)and2kg/667m(4times)]wascomparedtostudytheeffectsofZnfertilizeronyieldandeconomicbenefitofhotpepperunderthesuitableN,PandKcondition,theZnoptimumapplicationamountandapplicationpatterninproductionofhotpepper.TheyieldsofthetreatmentsappliedwithZnfertilizerallarehigherthanCK(withoutapplyingZn).T
5、heaverageyieldoftreatmentssprayedwithZnfertilizeriS2699.8kg/667m,4.4higherthanthetreatmentsappliedwithZnfertilizerasthebasalmanure.Thenetincreaseinput/outputratioofthetreatmentsappliedwithZnasthebasaImanureandsprayedwithZnfertilizerchangesIittlewithincreaseofZnfertilizerapplicationamountandspr
6、ayingtime.TheoptimumZnsprayingandapplicationamountis0.5kg/667mand2.5kg/667mbasedOnintegratedanalysisofperunityield,perunitnetincomeandnetincreaseinput/outputratiorespectively.Keywords:hotpepper;Znfertilizer;yield;applicationpattern;applicationamount遵义辣椒种植历史悠久,种植区域广、面积大、1材料与方法质量好,以个匀、饱满、肉厚、油润鲜红
7、、味道香辣等特点而蜚声海内外。全市辣椒种植面积已突破6.671.1试验地概况万hm。,逐渐成为全市新的经济支柱。但长期以来,试验地点设在遵义市汇川区泗渡镇观坝村观坝辣椒施肥均以经验施肥为主,重氮、轻磷、少钾、缺组,位于东经106。5528,北纬27。5637,海拔微,致使肥料利用率低,经济效益不高,成为制约辣898m。土壤为黄泥田,地块平整,前作为水稻。土壤有机质含量38.6g/kg,碱解氮125.5mg/kg,有椒产业化发展的因素。施锌肥可以促进根部健壮、效磷24.
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