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寒露秋更濃 碩果迎豐收

2024-10-08 14:00:56 來源：農(nóng)機網(wǎng)整理發(fā)布 閱讀量：33406 評論

　　【農(nóng)機網(wǎng) 熱點關(guān)注】 寒露，是二十四節(jié)氣之第十七個節(jié)氣，秋季的第五個節(jié)氣。進入寒露，時有冷空氣南下，晝夜溫差較大，并且秋燥明顯。寒露節(jié)氣是農(nóng)事活動的重要時期，北方地區(qū)正值秋收和冬小麥的播種，南方地區(qū)則忙于種植油菜、蠶豆等耐寒作物。寒露的到來意味著許多農(nóng)事需加緊進行，否則會影響到來年的豐收情況。
 
　　寒露時節(jié)，對于蔬菜管理，應(yīng)主意以下幾點：
 
　　1、加強田間管理種植葉菜類、瓜類和茄瓜類，應(yīng)加強田間管理，灌水、防旱，追施肥料，促進生長，噴施無公害農(nóng)藥防治病蟲害，及時采收，供應(yīng)市場。
 
　　2、培育地力利用晴好天氣，翻種棚菜田園，暴曬、風(fēng)化土壤，施用有機肥，噴施土壤消毒劑，殺菌滅蟲，提高肥力。
 
　　3、新菜園區(qū)，可增添鋼管大棚和竹棚，逐漸擴大蔬菜保護地種植面積。
 
　　4、大棚的更新和維修老菜區(qū)已使用數(shù)年的竹棚如嚴(yán)重損壞，務(wù)必進行重新更新。以提高冬春菜棚防凍保溫功能。
 
　　5、冬春棚菜苗及管理霜降是冬春棚菜育苗時期，應(yīng)做好購種、種子處理、消毒、浸種催芽工作。
 
　　6、病蟲害發(fā)生與防治⑴葉菜類蔬菜病蟲害防治。主要有跳甲、小菜蛾、蚜蟲、斜紋夜蛾等害蟲。大白菜干燒心病、軟腐病、病毒病、根腫病、霜霉菌等病害發(fā)生。⑵秋季豆類病蟲害防治。豆類主要有潛葉蠅、豆野螟、煤霉病、銹病、枯萎病等病蟲害發(fā)生，應(yīng)做好防治工作。⑶根結(jié)線蟲病和黃萎病的防治。種植和育苗的茄子、番茄、黃瓜、芹菜等可能遭受根結(jié)線蟲病危害。
 
　　寒露時節(jié)，北方應(yīng)播種完小麥，不宜再遲，以免減產(chǎn)。寒露后，如有強冷空氣南下，南方容易出現(xiàn)氣溫低、風(fēng)力大的寒露風(fēng)天氣。寒露風(fēng)是秋季冷空氣入侵引起明顯降溫而使水稻減產(chǎn)的一種冷害。它是南方晚稻生育期的主要氣象災(zāi)害之一，多發(fā)生在中國南方農(nóng)歷寒露節(jié)前后，應(yīng)及時注意天氣情況，以免影響“三秋”的進度與質(zhì)量。
 
　　注：本文由農(nóng)機網(wǎng)(www.goodqmj.com)整理發(fā)布，資料來源：百度百科等。

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