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秋意漸濃,白露節(jié)氣農(nóng)事活動(dòng)指南

2021-09-07 17:37:23 來源:農(nóng)機(jī)網(wǎng)整理發(fā)布 閱讀量:30090 評(píng)論

導(dǎo)讀:今天天是二十四節(jié)氣中的白露節(jié)氣,是秋季的第三個(gè)節(jié)氣。這前后農(nóng)民忙著收獲莊稼,正所謂“搶秋搶秋,不搶就丟”。

  【農(nóng)機(jī)網(wǎng) 熱點(diǎn)關(guān)注】 今天天是二十四節(jié)氣中的白露節(jié)氣,是秋季的第三個(gè)節(jié)氣。這前后農(nóng)民忙著收獲莊稼,正所謂“搶秋搶秋,不搶就丟”。
 
  “白露”代表著由熱轉(zhuǎn)涼,萬物隨寒氣增長,逐漸蕭落、成熟。白露時(shí)節(jié),正是中國各地大忙時(shí)節(jié)。東北地區(qū),開始收獲谷子、高梁和大豆,一些地方開始采摘新棉;同時(shí),要給棉花、玉米、高粱、谷子、大豆等選種留種,及時(shí)騰茬、整地、送肥,搶種小麥。華北地區(qū),此時(shí)也是秋收大忙季節(jié),各種大秋作物已經(jīng)成熟,開始進(jìn)行收獲;秋收的同時(shí),還得抓緊送糞、翻耕、平整土地等,及早做好種麥的準(zhǔn)備工作。西北地區(qū)開始播種冬小麥。西南地區(qū)到了白露時(shí)節(jié),到處呈現(xiàn)忙碌的景象,因?yàn)?ldquo;白露白茫茫,谷子滿田黃水稻和谷子得抓緊時(shí)間收割。晚秋作物如玉米、甘薯等得加強(qiáng)田間管理,促使其早熟,避免低溫霜凍造成危害。華中地區(qū),抓緊時(shí)間收割遲、中水稻,夏玉米也開始收獲了,棉花也分批采摘,晚玉米得加強(qiáng)水的管理。除此之外,得抓緊時(shí)間平整土地,為種麥做好準(zhǔn)備。
 
  白露節(jié)氣后,冷空氣日趨活躍,常出現(xiàn)低溫天氣,影響晚稻抽穗揚(yáng)花。黃淮、江淮及華南等地要抓住氣溫較高的有利時(shí)機(jī)淺水勤灌。白露期間,華南日照較處暑驟減,且降雨多具有強(qiáng)度小、雨日多、常連綿的特點(diǎn),所以農(nóng)諺有“白露天氣晴,谷米白如銀”的說法。對(duì)此,要采取相應(yīng)的農(nóng)技措施,減輕或避免秋雨危害,同時(shí)注意防治稻瘟病、菌核病等病害。
 
  經(jīng)濟(jì)作物農(nóng)事
 
  白露是收獲的季節(jié),也是播種的季節(jié)。華北地區(qū)秋收作物開始成熟,東北平原開始收獲谷子、高粱、大豆,大江南北棉花開始分批采收。華北地區(qū)秋種即將開始,東北、西北地區(qū)冬小麥開始播種,白露的氣候特征對(duì)晚稻抽穗揚(yáng)花和棉桃爆桃是不利的,也影響中稻的收割和翻曬,農(nóng)民朋友一定要做好相應(yīng)的措施。
 
  蔬菜農(nóng)事
 
  白露后的天氣有利于蔬菜的生長發(fā)育,這個(gè)時(shí)候要培育好壯苗。茄果類的蔬菜育苗最好是在地膜覆蓋的大棚內(nèi)進(jìn)行,綠葉蔬菜的種皮較厚,要進(jìn)行種子的處理,并浸水進(jìn)行催芽。蔬菜要精細(xì)做畦,播后做好水分管理,以促進(jìn)全苗壯苗。另外,還要做好蔬菜病蟲害的防治工作,如茄果類主要防治猝倒病。
 
  果樹農(nóng)事
 
  果樹要進(jìn)行修剪、施肥、采摘等,同時(shí)做好病蟲防治,不同的果樹要根據(jù)實(shí)際情況不同對(duì)待。柑橘要抹除晚秋梢,對(duì)果多的弱樹可噴灑葉面肥1-2次。楊梅繼續(xù)抓好抗旱防臺(tái)工作,視旱情澆水保墑,促使秋梢生長充實(shí),促進(jìn)花芽分化。枇杷以晾根、施花前肥為重點(diǎn),以促進(jìn)枇杷花芽充實(shí)、延長開花期、增強(qiáng)花果的防凍能力。桃子要繼續(xù)進(jìn)行秋季修剪工作,做好刺蛾、軍配蟲、天牛等害蟲的防治工作,可以結(jié)合噴藥,進(jìn)行葉面施肥。
 
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