欧美性大战久久久久久久,韩国中文三级hd字幕,久久精品99久久久久
-
地點(diǎn): 成都市
開(kāi)展時(shí)間: 2025-04-10
舉辦單位: 青島中凱國(guó)際會(huì)展有限公司
-
地點(diǎn): 北京市
開(kāi)展時(shí)間: 2025-04-10
舉辦單位: 北京市市容環(huán)境衛(wèi)生協(xié)會(huì)、北京市園林綠化行業(yè)協(xié)會(huì)、北京市公園綠地協(xié)會(huì)
-
地點(diǎn): 成都市
開(kāi)展時(shí)間: 2025-04-10
舉辦單位: 中國(guó)航空運(yùn)輸協(xié)會(huì)、中國(guó)民用航空應(yīng)急救援聯(lián)盟、成都市無(wú)人機(jī)產(chǎn)業(yè)協(xié)會(huì)
2025年冬油菜春季田間管理技術(shù)意見(jiàn)
2025-02-20
09:21:50
來(lái)源:全國(guó)農(nóng)技推廣中心 閱讀量:10780
評(píng)論
【農(nóng)機(jī)網(wǎng) 科技創(chuàng)新】 “雨水”將至,西南地區(qū)油菜已進(jìn)入開(kāi)花期,長(zhǎng)江中游地區(qū)油菜已進(jìn)入蕾薹期,長(zhǎng)江下游地區(qū)油菜處于苗期,正是春季田管的關(guān)鍵時(shí)期。去冬以來(lái),油菜主產(chǎn)區(qū)溫光好、降水少,氣象條件總體有利于油菜生長(zhǎng)。根據(jù)目前在田油菜長(zhǎng)勢(shì)和氣象條件,各地要突出防范“倒春寒”和菌核病等風(fēng)險(xiǎn),著力落實(shí)“清理三溝,分類追肥,防旱防凍,病蟲(chóng)防治,一促四防”等關(guān)鍵技術(shù),全力夯實(shí)夏收油菜豐收基礎(chǔ)。
清理三溝
水旱輪作油菜區(qū),應(yīng)及時(shí)清理廂溝、腰溝、圍溝,保持“三溝”暢通,做到外排水溝和“三溝”相連相通,明水能排,暗水能濾,防范雨雪導(dǎo)致的漬害影響??山Y(jié)合追施薹肥、清理三溝,壅根培土,保溫保肥防寒。
分類追肥
薹肥是確保花期、角果期氮磷鉀元素供應(yīng)充足的關(guān)鍵。追施速效肥可以快速滿足分枝生長(zhǎng)的養(yǎng)分供給,打牢單株角果數(shù)和千粒重基礎(chǔ),提高抗寒性和抗倒性。對(duì)發(fā)生干旱的田塊,江蘇、安徽等下游稻油輪作遲播區(qū)和江西、湖南等稻稻油輪作區(qū)油菜,及早追施薹肥,適當(dāng)增施鉀肥,促進(jìn)油菜春發(fā)生長(zhǎng),增加單株干物質(zhì)積累。酸性土壤產(chǎn)區(qū),應(yīng)增施硼肥和鈣鎂,防范花而不實(shí)和缺鈣萎縮。
防旱防凍
對(duì)發(fā)生干旱的地區(qū),要在降溫之前及時(shí)灌溉半溝水或跑馬水抗旱,增加抗凍能力,防范旱寒疊加影響。采用葉面噴施赤霉素•蕓薹素內(nèi)酯、胺鮮酯、新美洲星、黃腐酸等植物生長(zhǎng)調(diào)節(jié)劑,提高油菜防寒抗旱能力。
病蟲(chóng)防控
做好病蟲(chóng)情監(jiān)測(cè)和統(tǒng)防統(tǒng)治工作,霜霉病、病毒病、白斑病和蚜蟲(chóng)等發(fā)生較重地區(qū),堅(jiān)持治早治小、綜合防控原則,可噴施多菌靈、烯酰嗎啉等廣譜殺菌劑防治霜霉病和白斑病,噴施噻蟲(chóng)嗪、聯(lián)苯•噻蟲(chóng)胺等進(jìn)行防治蚜蟲(chóng)和病毒病。江西等去年黑斑病嚴(yán)重地區(qū),應(yīng)在角果期用福美雙或百菌清進(jìn)行防治。建議采用植保無(wú)人機(jī)實(shí)行統(tǒng)防統(tǒng)治,以提高防治效果、降低防治成本。
一促四防
主產(chǎn)區(qū)應(yīng)在花期適時(shí)開(kāi)展一促四防,并根據(jù)當(dāng)?shù)貙?shí)際情況合理安排施藥時(shí)間、次數(shù)及配方。在菌核病輕度和中度發(fā)生區(qū)域,建議開(kāi)花始盛期(田間有50%以上的植株開(kāi)花)防治一次;在菌核病重發(fā)區(qū)域,建議初花期和盛花期各防治一次,兩次之間間隔7—10天。去年菌核病嚴(yán)重地區(qū)推薦采用氟唑菌酰羥胺•咪鮮胺、異菌•氟啶胺、啶酰菌胺、丙硫菌唑等新型藥劑,一般地區(qū)可采用菌核凈、咪鮮胺、腐霉利等常規(guī)殺菌劑,并與水溶性硼肥混合溶解后噴施。
版權(quán)與免責(zé)聲明: 凡本網(wǎng)注明"來(lái)源:農(nóng)機(jī)網(wǎng)”的所有作品,均為浙江興旺寶明通網(wǎng)絡(luò)有限公司-農(nóng)機(jī)網(wǎng)合法擁有版權(quán)或有權(quán)使用的作品,未經(jīng)本網(wǎng)授權(quán)不得轉(zhuǎn)載、摘編或利用其它方式使用上述作品。已經(jīng)本網(wǎng)授權(quán)使用作品的,應(yīng)在授權(quán)范圍內(nèi)使用,并注明“來(lái)源:農(nóng)機(jī)網(wǎng)dwjfsy.com" 。違反上述聲明者,本網(wǎng)將追究其相關(guān)法律責(zé)任。
本網(wǎng)轉(zhuǎn)載并注明自其它來(lái)源(非農(nóng)機(jī)網(wǎng)dwjfsy.com)的作品,目的在于傳遞更多信息,并不代表本網(wǎng)贊同其觀點(diǎn)或和對(duì)其真實(shí)性負(fù)責(zé),不承擔(dān)此類作品侵權(quán)行為的直接責(zé)任及連帶責(zé)任。其他媒體、網(wǎng)站或個(gè)人從本網(wǎng)轉(zhuǎn)載時(shí),必須保留本網(wǎng)注明的作品第一來(lái)源,負(fù)版權(quán)等法律責(zé)任。
女人扒开腿让男人爽桶|
亚洲精品一区二区三区蜜桃
|
国产精品刘玥久久一区|
国产18精品亚洲精品|
啊灬啊灬啊灬快灬深视频无遮掩|
亚洲男人天堂2022|
久久久久久久久久国产|
成人亚洲性情网站www在线|
午夜福利精品|
色婷婷一区二区三区精品免费观看|
精品人妻一区二区三区四区在线一|
欧美成人精品一区二区男人看|
天天爽夜夜爽人人爽|
最好看的2018国语在线|
风流老熟女一区二区三区蜜臀
|
亚洲精品中文字幕一区|
极品人妻互换32部分|
视频成人在线|
精品国产18久久久久久怡红|
久久精品欧美一区二区三区不卡|
精品蜜桃一区二区|
色婷婷一区二区三区亚洲国产精品|
艳妇乳肉豪妇荡乳av|
国产中文字幕二区|
一区二区三区国产精品视频|
中文字幕人妻第二页|
久久婷婷中文字幕|
国产精品19久久久久久不卡|
精品少妇无遮挡免费看|
国产av剧情一区二区|
国模大尺度一区二区三区|
少妇人妻偷人精精品系列|
99热这里只有精品9|
少妇内射在线观看|
jizzjⅰzz日本成熟少妇|
五月婷婷综合色|
三年片免费观看大全电视剧|
国产精品国产三级国产aⅴ中文
|
久久免费精品国产|
日韩欧美一级在线|
欧美精品人妻一区二区|
[{"ID":"2759997","Picture":"00450ea57bc9bc7da63c84b46467ef9d0087083032408b830c642f01721b9cc951c3d8411fe62534.jpg","PictureDomain":"img79","Name":"定制微透鏡陣列","Type":"","Descrip":"光學(xué)元器件定制加工微透鏡陣列定制化設(shè)計(jì)的加工服務(wù),價(jià)格比同類加工廠家優(yōu)惠超過(guò)30%,歡迎隨時(shí)來(lái)電。","CompanyName":"上海五鈴光電科技有限公司","CompanyID":"129664","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"221","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51710967","StandUrl":"/st129664","UpdateTime":"2025/4/7 14:47:39","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102759997","UserID":"142653","PriceType":"0","PictureID":"1711578","CompanyTypeID":"5","Tag":"","LinkMan":"袁冬梅","TelPhone":"86-021-56079729","ClassName":"其它","ComProduct":"機(jī)載高光譜、在線高光譜、實(shí)時(shí)高光譜、顯微高光譜、太赫茲光譜探測(cè)系統(tǒng)、紅外相機(jī)、高速相機(jī)、3D相機(jī)","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"29656","MarketUpdateTime":"","CreateTime":"2023/6/14 15:15:15","Flag":"1","PackageName":"營(yíng)銷寶會(huì)員","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"13482574326"},{"ID":"2938233","Picture":"5eceadd4559dcfd20b00d43427242c81e94389fdb8850f759fcc67480618fbfdbd956836d64b9ce5.jpg","PictureDomain":"img63","Name":"制藥行業(yè)玻璃攪拌子","Type":"","Descrip":"進(jìn)口玻璃攪拌子玻璃攪拌子是由玻璃材料包裹圓柱磁芯而成。因玻璃材料不會(huì)屏蔽磁場(chǎng),并且能夠耐腐蝕,耐高溫。因此被很多需要耐高溫耐腐蝕的反應(yīng)采用。","CompanyName":"北京豐美天合科技有限公司","CompanyID":"128779","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"1","City":"北京市","Address":"北京市","PropertysValue":"","HitNumber":"82","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51710967","StandUrl":"/st128779","UpdateTime":"2025/4/7 14:47:20","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102938233","UserID":"141768","PriceType":"0","PictureID":"1676242","CompanyTypeID":"5","Tag":"","LinkMan":"銷售部","TelPhone":"86-10-59792357","ClassName":"其它","ComProduct":"進(jìn)口實(shí)驗(yàn)室超純水機(jī),進(jìn)口水質(zhì)分析儀,進(jìn)口玻璃反應(yīng)釜,旋轉(zhuǎn)蒸發(fā)儀,真空泵,制冷循環(huán)器,攪拌器,實(shí)驗(yàn)室玻璃器皿,實(shí)驗(yàn)耗材","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"38637","MarketUpdateTime":"","CreateTime":"2024/3/22 2:53:18","Flag":"1","PackageName":"營(yíng)銷寶會(huì)員","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":""},{"ID":"2941826","Picture":"66dabcda8ca7909dafaa94ca32298fb11985880ec81c5cd6cf39769a461beee6eeb943bbeb95e332.jpg","PictureDomain":"img63","Name":"半自動(dòng)顆粒干燥機(jī)供應(yīng)商","Type":"FG","Descrip":"顆粒干燥機(jī)空氣經(jīng)加熱凈化后,由引風(fēng)機(jī)從下部導(dǎo)入,穿過(guò)料斗的孔網(wǎng)板。在工作室內(nèi),經(jīng)攪拌和負(fù)壓作用形成流態(tài)化,水份快速蒸發(fā)后隨著排氣帶走,物料快速干燥","CompanyName":"常州市瑞庭干燥工程有限公司","CompanyID":"129501","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"89","City":"常州市","Address":"常州市","PropertysValue":"","HitNumber":"88","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51710966","StandUrl":"/st129501","UpdateTime":"2025/4/7 14:46:42","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102941826","UserID":"142490","PriceType":"0","PictureID":"1733326","CompanyTypeID":"5","Tag":"","LinkMan":"吳經(jīng)理","TelPhone":"13921042531","ClassName":"其它","ComProduct":"干燥設(shè)備,制粒設(shè)備,混合設(shè)備,篩選設(shè)備","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"29813","MarketUpdateTime":"","CreateTime":"2024/3/23 0:03:54","Flag":"1","PackageName":"營(yíng)銷寶會(huì)員","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"15706156656"},{"ID":"3272926","Picture":"15503715273aa74d999ccbd203e111f37a83b960700b1d43a63581c649a94b2bc174c15d33db522b.jpg","PictureDomain":"img63","Name":"全自動(dòng)清潔度檢測(cè)儀生產(chǎn)","Type":"JYBL-100ZD","Descrip":"JYBL-100ZD汽車零部件清潔檢測(cè)儀器顆粒物分析試驗(yàn)機(jī)應(yīng)用領(lǐng)域:汽車各零部件、軸承、發(fā)動(dòng)機(jī)、汽輪機(jī)、航空、半導(dǎo)體、數(shù)據(jù)存儲(chǔ)、醫(yī)療設(shè)備、通訊、精密儀表,大型工礦設(shè)備的磨損監(jiān)測(cè)等領(lǐng)域","CompanyName":"上海群弘儀器設(shè)備有限公司","CompanyID":"129119","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"45","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51710965","StandUrl":"/st129119","UpdateTime":"2025/4/7 14:45:10","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"103272926","UserID":"142108","PriceType":"0","PictureID":"1693745","CompanyTypeID":"5","Tag":"","LinkMan":"屈","TelPhone":"021-51098161","ClassName":"其它","ComProduct":"氧化誘導(dǎo)分析 綜合性分析儀 導(dǎo)熱系數(shù)測(cè)定儀 同步熱分析儀 熱重分析儀","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"17154","MarketUpdateTime":"","CreateTime":"2025/2/17 2:30:26","Flag":"1","PackageName":"營(yíng)銷寶會(huì)員","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"13120708756"},{"ID":"3155983","Picture":"mt0001/922d359f624715fd091026f3c3cbcd4e127906f48abb7e1e0611df7a90ea358580298209a49b0371.jpg","PictureDomain":"img43","Name":"室內(nèi)環(huán)境TVOC檢測(cè)氣相色譜儀多少錢","Type":"GC8950","Descrip":"室內(nèi)環(huán)境TVOC檢測(cè)氣相色譜儀繼承該系列產(chǎn)品成功設(shè)計(jì)的同時(shí),吸納當(dāng)今業(yè)界*的GC技術(shù)制造經(jīng)驗(yàn)而推出的概念氣相色譜儀。優(yōu)化的高精度氣路控制可獲得的重現(xiàn)性以及可靠的度和精密度;良好的自動(dòng)化分析水平與的擴(kuò)展性為您提供一切所需!","CompanyName":"上海天普分析儀器有限公司","CompanyID":"140898","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"3","City":"上海市","Address":"上海市","PropertysValue":"","HitNumber":"82","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51710963","StandUrl":"/st140898","UpdateTime":"2025/4/7 14:43:13","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"103155983","UserID":"153888","PriceType":"0","PictureID":"1956493","CompanyTypeID":"5","Tag":"","LinkMan":"劉先生","TelPhone":"021-54641488","ClassName":"其它","ComProduct":"生產(chǎn)氣相色譜儀,液相色譜儀,可見(jiàn)分光光度計(jì),紫外可見(jiàn)分光光度計(jì),紅外分光光度計(jì)等","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"8349","MarketUpdateTime":"","CreateTime":"2024/10/7 2:00:50","Flag":"1","PackageName":"營(yíng)銷寶會(huì)員","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"13701654867"},{"ID":"3171789","Picture":"mt0001/92b8cee7c1618c638a654f8270c9c296f1c47ebd6a4796c483e944765556ca95610bacc39c0fcf80.png","PictureDomain":"img76","Name":"供應(yīng)涂層測(cè)厚儀多少錢","Type":"PTG-3700","Descrip":"PTG-3700涂層測(cè)厚儀具備以下特點(diǎn)和功能 ,大屏幕, 背光 , 測(cè)量范圍大,的存儲(chǔ)功能,瀏覽和數(shù)據(jù)分析功能.,例如小值 平均值和記數(shù)功能","CompanyName":"菲思圖測(cè)量?jī)x器(北京)有限公司","CompanyID":"141082","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"1","City":"北京市","Address":"北京市","PropertysValue":"","HitNumber":"34","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51710962","StandUrl":"/st141082","UpdateTime":"2025/4/7 14:42:34","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"103171789","UserID":"154072","PriceType":"0","PictureID":"1964075","CompanyTypeID":"5","Tag":"","LinkMan":"銷售經(jīng)理","TelPhone":"010-59792409","ClassName":"其它","ComProduct":"超聲波硬度計(jì),里氏硬度計(jì),表面粗糙度儀器,超聲波測(cè)厚儀,涂層測(cè)厚儀,測(cè)振儀","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"7547","MarketUpdateTime":"","CreateTime":"2024/10/27 1:51:41","Flag":"1","PackageName":"營(yíng)銷寶會(huì)員","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"13601073564"}]
所有評(píng)論僅代表網(wǎng)友意見(jiàn),與本站立場(chǎng)無(wú)關(guān)。