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處暑|禾乃登,農(nóng)機(jī)局備戰(zhàn)秋收
2018-08-23
16:08:37
來源:中國(guó)農(nóng)機(jī)網(wǎng)整理發(fā)布 閱讀量:33056
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【中國(guó)農(nóng)機(jī)網(wǎng) 熱點(diǎn)關(guān)注】《月令七十二候集解》:"七月中,處,止也,暑氣至此而止矣。"8月23日是處暑,作為秋季的第二個(gè)節(jié)氣,意味著從今天開始,氣溫將會(huì)有明顯的下降。同時(shí),我國(guó)大部分地區(qū)雨季將結(jié)束,降水也將逐漸減少。
8月23日杭州七天氣溫走勢(shì)圖
此外,對(duì)于農(nóng)事而言,處暑也是一個(gè)頗為重要的節(jié)氣。我國(guó)古代將處暑分為三候:“一候鷹乃祭鳥;二候天地始肅;三候禾乃登。”此節(jié)氣中老鷹開始大量捕獵鳥類;天地間萬物開始凋零;“禾乃登”的“禾”指的是黍、稷、稻、粱類農(nóng)作物的總稱,“登”即成熟的意思。也就是說,處暑過后,糧食開始趨于成熟,農(nóng)民們即將喜獲豐收。
這個(gè)時(shí)期,夜寒晝暖,多種春作物將進(jìn)入成熟階段,作物白天進(jìn)行光合作用吸收養(yǎng)分,到晚上貯存起來,有利于作物的成熟;對(duì)水稻生產(chǎn)來說,早稻即將收獲,晚稻正處于田間管理和施肥的重要時(shí)期;豆類、花生、其它大秋經(jīng)濟(jì)作物已經(jīng)成熟待收,大白菜、蘿卜等冬季蔬菜開始播種,逐漸顯現(xiàn)處秋收秋種的繁忙景象。各地農(nóng)機(jī)局開始細(xì)化方案,爭(zhēng)取為之后的大規(guī)模機(jī)械收獲奠定基礎(chǔ)。湖北省農(nóng)機(jī)局做好農(nóng)機(jī)具調(diào)度和信息服務(wù),力爭(zhēng)投入各類農(nóng)機(jī)具80萬臺(tái)(套)以上,確保秋季農(nóng)機(jī)化生產(chǎn)順利進(jìn)行。
同時(shí),推廣節(jié)水灌溉、施肥施藥、秸稈還田離田等生態(tài)農(nóng)機(jī)化技術(shù),為農(nóng)業(yè)生產(chǎn)“添綠”;此外,秋冬播生產(chǎn)將繼續(xù)堅(jiān)持“北麥南油城郊菜”布局,因地制宜開展“糧改飼”“油改飼”,發(fā)展小麥、油菜全株青貯,充分挖掘秋冬作物飼料化潛力,拓展馬鈴薯主食化功能,鼓勵(lì)冷浸濱湖地區(qū)利用冬閑季節(jié)改造稻田,發(fā)展稻田綜合種養(yǎng)。
但是,收獲的同時(shí)還應(yīng)當(dāng)注意加強(qiáng)對(duì)災(zāi)害性天氣的防范,處暑容易出現(xiàn)“秋風(fēng)”、“伏旱”、“午后降水”、“秋綿雨”、“暴雨”等災(zāi)害性天氣,影響農(nóng)作物的成長(zhǎng)與收獲。如:“秋風(fēng)”會(huì)影響正在抽穗揚(yáng)花的水稻,氣溫偏低會(huì)使水稻不能正常抽穗揚(yáng)花;“午后降水”會(huì)使水稻出現(xiàn)空殼癟粒;“秋綿雨”會(huì)使已經(jīng)成熟的大秋作物不能及時(shí)收割、晾曬,秋收秋種難以正常進(jìn)行;“暴雨”則會(huì)造成洪澇災(zāi)害,同時(shí)也容易引發(fā)山體滑坡等次生災(zāi)害。
因此,還需要更加注意抗旱工作的落實(shí),隨著雨季的結(jié)束,降水開始減少,尤其是在華北、東北和西北地區(qū)更是要抓緊做好蓄水、保墑工作,以防秋種期間出現(xiàn)干旱而延誤冬作物的播種期;“處暑谷漸黃,大風(fēng)要提防”,玉米、高粱、谷子等農(nóng)作物即將進(jìn)入成熟期,抗倒伏能力降低,一旦發(fā)生倒伏,會(huì)大大增強(qiáng)收割難度,所以,一定要提前做好防風(fēng)的準(zhǔn)備工作;同時(shí),在臺(tái)風(fēng)暴雨過后,還需要加強(qiáng)管理,做好病蟲害的防治工作,以免一年的辛苦就此功虧一簣。
處暑之后十五日便是白露,“早秋作物普遍收,割運(yùn)打軋莫懈怠。”白露是收獲的季節(jié),富饒遼闊的東北平原開始收獲谷子、大豆和高粱,華北地區(qū)秋收作物成熟,大江南北的棉花正在吐絮,進(jìn)入全面分批采收的季節(jié)。因此,在這之前一定要做好各項(xiàng)工作,確保秋收能夠正常進(jìn)行。
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