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今日霜降│霜降已至 秋意正濃
2024-10-23
13:42:47
來源:農機網整理發(fā)布 閱讀量:28240
評論
導讀:今日霜降,是秋季的最后一個節(jié)氣,是秋季到冬季的過渡。
【農機網 熱點關注】 霜降,是秋季的最后一個節(jié)氣,是秋季到冬季的過渡。霜降不是表示“降霜”,而是表示氣溫驟降、晝夜溫差大,就全國平均氣溫而言,“霜降”是一年之中晝夜溫差最大的時節(jié)。
霜降時節(jié),北方大部分地區(qū)已在秋收掃尾,華北地區(qū)的大白菜即將收獲,要加強后期管理。南方則是“三秋”大忙季節(jié),單季雜交稻、晚稻才在收割,種早茬麥,栽早茬油菜;摘棉花,拔除棉秸,耕翻整地。
霜降時期的農事管理是非常關鍵的,下面為大家介紹一下霜降節(jié)氣農事活動指南。
圖片來源:千圖網
水稻
應加強再生稻后期管理,一方面抓好以稻飛虱、稻曲病、紋枯病為主的病蟲害防治工作,實施藥肥混噴,保護莖葉防早衰,加強對病蟲害的監(jiān)測。另外一方面再生稻各節(jié)位腋芽生長發(fā)育先后不一,抽穗、成熟也參差不齊,尤其是頭季機收再生稻更為突出,故應堅持黃熟收割,不宜過早,以免影響產量和稻米品質。
蔬菜
霜降時期種秋菜,周期短,見效快,比種其他作物劃算。為了奪取晚秋蔬菜豐收,應充分利用晚秋季節(jié)豐富的光、熱與土地資源,大力發(fā)展晚秋蔬菜生產,推廣晚秋蔬菜無公害生產技術,確保晚秋蔬菜安全供給。
要清理田間秸稈,深翻土壤,減少病蟲害發(fā)生。芹菜、青菜、蘿卜等耐寒性蔬菜要加強澆水、防蟲等管理工作。大棚番茄、黃瓜、茄子、辣椒等喜溫性作物要加強保溫防寒,并適時澆水和及時采收。注意大棚內溫濕度控制,預防灰霉病、霜霉病、疫病等病害。
果樹
此時的柑橘處于秋梢老熟期、果實膨大后期,除加強梢果管理外,促花工作也要及時開展,以保證明年柑橘的產量與品質。對上批梢未老熟的可施高氮肥料,促梢生長,盡量推遲老熟,避免凍害。
中晚熟獼猴桃品種金艷、金魁和華特等適時采收。要做好獼猴桃潰瘍病和褐斑病的防治,葡萄和已采摘的獼猴桃施基肥,視土壤情況噴一次水。
茶園
新茶園開始種植,開深溝施足有機肥,按新茶園種植標準種植茶苗,施足定根水,提高茶苗成活率。
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