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今日大暑│萬(wàn)物生長(zhǎng)旺 田間農(nóng)事忙

2024-07-22 13:49:53 來(lái)源:農(nóng)機(jī)網(wǎng)整理發(fā)布 閱讀量:32624 評(píng)論

導(dǎo)讀:“大暑”前后是一年中溫度最高的時(shí)間,農(nóng)作物生長(zhǎng)也最快。

  【農(nóng)機(jī)網(wǎng) 熱點(diǎn)關(guān)注】 大暑,是二十四節(jié)氣中的第十二個(gè)節(jié)氣,也是夏季最后一個(gè)節(jié)氣。“暑”是炎熱的意思,大暑,指炎熱之極。
 
  “大暑”前后是一年中溫度最高的時(shí)間,農(nóng)作物生長(zhǎng)也最快。我國(guó)的降水主要集中在夏季,尤其是大暑節(jié)氣,高溫酷熱、雨量充沛,是萬(wàn)物狂長(zhǎng)的時(shí)節(jié)。在高溫季節(jié),農(nóng)作物生長(zhǎng)旺盛,需要大量水分,而夏季正是中國(guó)降水最多、最集中的季節(jié),高溫期與多雨期一致,水熱搭配好,對(duì)農(nóng)作物的生長(zhǎng)十分有利。
 
  此時(shí)既是農(nóng)業(yè)生長(zhǎng)旺季,同時(shí)又是病蟲(chóng)害滋生蔓延和氣象災(zāi)害頻繁的時(shí)期。所以在農(nóng)事活動(dòng)上既要加快步伐,爭(zhēng)取足夠的營(yíng)養(yǎng)生長(zhǎng)期,又要注意躲避“秋寒”的危害,安全地追求作物高產(chǎn)。
 
圖片來(lái)源:千圖網(wǎng)
 
  農(nóng)作物方面,在大暑時(shí)節(jié),要根據(jù)天氣的變化靈活安排水稻的農(nóng)事活動(dòng),晴天多割,陰天多栽。種植雙季稻的地區(qū)要適時(shí)收獲早稻,注意減少后期風(fēng)雨造成的危害,確保豐產(chǎn)豐收。而且可使雙晚適時(shí)栽插,爭(zhēng)取足夠的生長(zhǎng)期。此外,還要做好秋播作物種子、物資準(zhǔn)備,立秋前搶播秋玉米、秋大豆等秋播糧食作物。
 
  蔬菜方面,大暑后可以露地分批陸續(xù)播種莧菜、木菜、空心菜、香菜等耐熱的葉類蔬菜。高溫干旱地區(qū)需要注意給蔬菜及時(shí)補(bǔ)足水分,降水多的地方則要防范爛根現(xiàn)象。此時(shí),秋冬茬日光溫室種植的茄果類作物正值播種適期,要注意選好育苗場(chǎng)所,做好種子消毒和處理工作,并注意開(kāi)展蔬菜的防澇害相關(guān)工作。
 
  茶園方面,要做好茶園覆蓋、遮蔭。利用作物桔桿、山草、綠肥等材料覆蓋茶園行間土壤,減少水份蒸發(fā),保持土壤濕度。每畝茶園鋪2000公斤左右稻草或山雜草,以鋪草后不見(jiàn)土為原則,厚度為8—10厘米之間,其作用是抑制雜草生長(zhǎng),抗旱保濕,有利于土壤有益微生物繁殖,熟化土壤,提高肥力;有條件的平地、緩坡茶園可采用遮蔭網(wǎng)遮蔭,以離地1.8-2.0米搭架,高出茶樹(shù)蓬面50-60厘米為宜,方便茶園管理和采摘。 還要做好茶園灌溉,水源充足且有條件進(jìn)行灌溉的茶園,利用灌溉補(bǔ)水兼降溫,抗旱防旱直接且有效??稍谇宄俊磉M(jìn)行噴灌、滴灌、澆灌。
 
  畜牧養(yǎng)殖方面,要定期對(duì)養(yǎng)殖場(chǎng)及周邊環(huán)境進(jìn)行消毒,嚴(yán)格限制車輛和人員進(jìn)出養(yǎng)殖場(chǎng),必須經(jīng)過(guò)嚴(yán)格的消毒處理方可進(jìn)入;要做好畜禽欄舍的通風(fēng)和降溫,供給畜禽充足飲水;飼料中添加維生素,增強(qiáng)抵抗力,防止中暑;需防范由高溫而引起的一些瘟病及疫病,提前做好相應(yīng)防范措施,防止疫病的發(fā)生及流行。
 
  注:本文由農(nóng)機(jī)網(wǎng)(dwjfsy.com)整理發(fā)布,資料來(lái)源:百度百科、光明日?qǐng)?bào)。
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