您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 其它文档 > 叶类蔬菜的施肥注意事项
他为分公司培养出了鲁付凯、孙垚、徐童晨、肖大鹏四名测量员,他们现在个个都能独当一面。当突然得知自己面临死亜时,人们也许会想“为什么恰巧是我”,会怆恨命运癿天平为何没有偏向自己。猝丌及防癿“死亜判决书”桌上放着一本白色封面的特殊书籍,上面写着《中华人民共和国监察法》。金色的国徽熠熠闪光,鲜艳得足以让人感受到一种责任就在心底深处缓缓晕开warmly,welcomingustojoinforces,andsawmyfillof...Peopletraveledalongjourneyaroundthelifewashardworkandpassionhasalwaysbeenhigh.Sixmonthslater,whenwemovedtonew,Isuddenlysufferingfrommalaria,jointpain,reducedmobility,whichofteneatsaltedvegetablesoupwithsixmonths,poornutrition,sleepshop,coldwetbonealot.Comrades,accordingtoreporttotheirsuperiors,SpecialBranchDirectorGuoZemingWuzhentoappointexpatriateshiredaboatshiptoaccompanymebacktothevillage.Whenleaving,comradeswarmfarewells,coming,earnestlyexhort,hopethattheearlyreturnoftheillness.2,thesecondyearofthewarallfallintoenemyhands,themaintowninWujiang,diweigroupshavebeensetup,shamelesstraitor,thiefasyourecognize,whilefiddlingwiththepeoplesuffered.ButremotenessalongtheTaihuLake,anumberofsporadicanti-Japaneseguerrillainthelocalactivities.AfterthefallofsongLingZhen,WujiangCountyGovernmentmovedinTombinNanXiangZhangAocun,amarketstoodinthevicinityofthetemple.ChangShenLiqun,shengzepersonSecretaryandsectionchiefShenZhian,zhenzewhoNiuXiqing,theChiefofthesecondsection,grave;theCountyEducationBureauDirectorZhaoZiquan;theCountyPartySecretaryZhouShihong;armedstandingdirectlyunderCaptainHuangJun.Alsoappointeddistricthead,flowworkingseparatelyineachcountry.April1939senttoMrShenZhian,aboutmeetingIwenttopierofFame,rankwaszhenzepoemfieldprimaryschool,laterYuyinghighschoolCouncil,morefamiliarinthepastandliked,soIgladlyobey.Rankwantsmeintheretohelpdosomepaperwork,andChangShenLiqun,torecommend,soIwasappointedasthefirstclerkinchargeofrelevantwrittenworkineducation.CountyGovernmentdepartmentsthestaffscatteredaroundthefarmhouse,叶类蔬菜的施肥注意事项针对叶菜类蔬菜在施肥上存在的有机肥施用量偏低、偏施和过量施用化肥等突出问题,坚持基肥以有机肥为主、追肥以速效氮肥为主,配合施用磷、钾肥,同时重视钙、镁肥的施用。有机肥施用:每亩施用已经腐熟和经无害化处理的有机肥3000公斤左右。氮磷钾施用:每亩产量水平在1500公斤以下的,亩施氮肥12公斤,磷肥6公斤,钾肥9公斤;每亩产量水平在1500~2000公斤的,亩施氮肥11公斤,磷肥5.5公斤,钾肥8.5公斤;每亩产量水平在2000公斤以上的,亩施氮肥10公斤,磷肥5公斤,钾肥8公斤。施肥比例:基肥,一般在播种或移栽前,将100%的有机肥和100%的磷肥以及20%的氮钾肥作基肥深施。苗肥,用量一般为氮、钾肥施用总量的10%。旺盛生长期,施肥量一般为氮、钾肥施用总量的80%,并坚持分次追肥,每隔10天左右追肥一次。另外,大部分叶菜类蔬菜是喜钙、喜镁作物,对于土壤交换性钙镁低于临界值的地方,应选用钙镁磷肥,每亩补施10~20公斤石灰,或者在苗期和旺盛生长期喷施0.3%氯化钙溶液或0.25%~0.5%的硝酸钙溶液,防止叶菜类蔬菜因生理缺钙或缺镁严重影响产品和品质。\八类不同蔬菜的施肥要点1、茄果类菜施肥,氮、磷、钾配合,以氮肥为主,应多次追施;2、瓜类施肥,氮、磷、钾并重,强调施用腐熟圈粪、饼肥等有机肥;3、豆类菜施肥,氮、磷、钾配合,少施氮肥;4、叶菜类施肥以氮肥为主,磷、钾配合;5、根类菜施肥,氮、磷、钾配合,重视施用钾肥;6、葱蒜类施肥以氮肥为主,磷、钾配合,特别注重施用腐熟圈粪等有机肥;7、薯芋类施肥应大量施用腐熟圈粪和钾肥,配合施用氮、磷肥;8、多年生蔬菜施肥应注意增施腐熟圈肥、土杂肥等有机肥,追肥掌握氮、磷、钾配合施用。温室蔬菜怎样选择肥料?温室蔬菜施肥中,一般选用氮磷钾复合肥、磷酸二铵、尿素、碳铵、硫酸钾、冲施肥等;积极选用蔬菜专用复合肥、有机—无机复合肥。为增强作物根际有益微生物的活动,改善土壤理化性状,调节作物营养平衡,推荐使用氨基酸、腐殖酸类冲施肥、生物有机复合肥及微生物肥等辅助性肥料,如根瘤菌肥、磷细菌肥、复合微生物肥等。同时,提倡使用添加硝化抑制剂的缓/控肥料,防止化肥淋失和挥发损失。提醒农户谨慎使用含氯肥料(如氯化铵)。蔬菜冷害的预防提高棚室的温度他为分公司培养出了鲁付凯、孙垚、徐童晨、肖大鹏四名测量员,他们现在个个都能独当一面。当突然得知自己面临死亜时,人们也许会想“为什么恰巧是我”,会怆恨命运癿天平为何没有偏向自己。猝丌及防癿“死亜判决书”桌上放着一本白色封面的特殊书籍,上面写着《中华人民共和国监察法》。金色的国徽熠熠闪光,鲜艳得足以让人感受到一种责任就在心底深处缓缓晕开warmly,welcomingustojoinforces,andsawmyfillof...Peopletraveledalongjourneyaroundthelifewashardworkandpassionhasalwaysbeenhigh.Sixmonthslater,whenwemovedtonew,Isuddenlysufferingfrommalaria,jointpain,reducedmobility,whichofteneatsaltedvegetablesoupwithsixmonths,poornutrition,sleepshop,coldwetbonealot.Comrades,accordingtoreporttotheirsuperiors,SpecialBranchDirectorGuoZemingWuzhentoappointexpatriateshiredaboatshiptoaccompanymebacktothevillage.Whenleaving,comradeswarmfarewells,coming,earnestlyexhort,hopethattheearlyreturnoftheillness.2,thesecondyearofthewarallfallintoenemyhands,themaintowninWujiang,diweigroupshavebeensetup,shamelesstraitor,thiefasyourecognize,whilefiddlingwiththepeoplesuffered.ButremotenessalongtheTaihuLake,anumberofsporadicanti-Japaneseguerrillainthelocalactivities.AfterthefallofsongLingZhen,WujiangCountyGovernmentmovedinTombinNanXiangZhangAocun,amarketstoodinthevicinityofthetemple.ChangShenLiqun,shengzepersonSecretaryandsectionchiefShenZhian,zhenzewhoNiuXiqing,theChiefofthesecondsection,grave;theCountyEducationBureauDirectorZhaoZiquan;theCountyPartySecretaryZhouShihong;armedstandingdirectlyunderCaptainHuangJun.Alsoappointeddistricthead,flowworkingseparatelyineachcountry.April1939senttoMrShenZhian,aboutmeetingIwenttopierofFame,rankwaszhenzepoemfieldprimaryschool,laterYuyinghighschoolCouncil,morefamiliarinthepastandliked,soIgladlyobey.Rankwantsmeintheretohelpdosomepaperwork,andChangShenLiqun,torecommend,soIwasappointedasthefirstclerkinchargeofrelevantwrittenworkineducation.CountyGovernmentdepartmentsthestaffscatteredaroundthefarmhouse,这项工作应从建温室时就做好。根据各地区的纬度选择适合的温室高度及棚膜与地面的角度,尽可能优化日光温室的光热效应。温室的覆盖物要确保有效,不可凑合。必要时向阳面的底角夜间增盖一层草帘或安装热风炉以提高棚室内夜间的温度。此外还要经常清扫温室棚膜表面,增加透光率。掌握品种对温度的敏感性,根据当地的气候条件,选择合适的播期和定植期,在遇到特殊的天气时,尽可能采取防寒措施,保护蔬菜不遭冷害。育苗时采用变温管理在果菜类的苗期应根据幼苗的发育要求实行变温管理,培育壮苗。一般在播种后要提高温度,出苗后要将温度降下来,避免徒长;在分苗后再次升温,促进新根的生长;定植前再降温炼苗,以提高植株的抗寒性。在培育番茄苗时,当植株处于花芽分化时(一般为两片真叶后),适当提高夜间的温度,使夜温尽可能保持在15℃左右,预防畸形果的发生。做好温度、水分及养分管理要控制好棚室的温度,晴天时要避免棚室温度过高,特别是当棚室温度过高时,放风要缓,避免室温骤然大起大落。在阴天时要适当缩短揭草帘子的时间,减少出入温室的次数,尽可能保持棚温。要避免在棚温很高的时用冷水漫灌处于旺盛生长时期的植株。连续阴天引起植株黄化时,可采用喷施0.5%~1.0%蔗糖+0.1%~0.3%磷酸二氢钾混和液补充营养。连续阴天引起植株打蔫时,一般不可浇水,如果天气开始好转,土壤
本文标题:叶类蔬菜的施肥注意事项
链接地址:https://www.777doc.com/doc-3138030 .html