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2025年豌豆生產(chǎn)技術(shù)指導(dǎo)意見

2025-04-10 10:38:25 來源:全國農(nóng)技推廣中心 閱讀量:2912 評論

  豌豆是我國重要糧食作物之一,包括干豌豆和鮮食豌豆,根據(jù)播種季節(jié)和生產(chǎn)方式等大體分為南方產(chǎn)區(qū)和北方產(chǎn)區(qū),南方多為秋播,北方以春播為主。為發(fā)揮好豌豆用地養(yǎng)地和間作套種優(yōu)勢,支持豌豆用途多元化發(fā)展良好勢頭,根據(jù)去冬今春以來前期少雨、春季回溫快等氣候特點(diǎn),農(nóng)業(yè)農(nóng)村部小宗糧豆專家指導(dǎo)組會同全國農(nóng)業(yè)技術(shù)推廣服務(wù)中心提出南方豌豆合理水肥、適期收獲,北方豌豆以搶墑早播、合理密植為重點(diǎn)的2025年豌豆生產(chǎn)技術(shù)指導(dǎo)意見
 
  南方產(chǎn)區(qū)
 
  本區(qū)干豌豆主要在玉米、煙草、棉花、甘薯等夏季作物收獲后的冬閑旱地及冬季果園中種植。干豌豆一般上年10月上旬—11月份中旬播種,4月中下旬開始進(jìn)行收獲。鮮食豌豆一般上年7月下旬至11月中上旬播種,上年11月份至本年4月份采摘。考慮到春季季風(fēng)氣候顯著且氣溫回升快,豌豆有高溫逼熟風(fēng)險(xiǎn),需要重點(diǎn)關(guān)注以下技術(shù)要點(diǎn):
 
  (一)合理水肥。花期至始莢期土壤水份含量低于20%時,有條件的地方可利用噴灌設(shè)施進(jìn)行補(bǔ)水,同時通過無人機(jī)噴施葉面肥保花保莢;若采用漫灌補(bǔ)水,灌溉以水剛穿透廂面為止,并立即排走溝渠內(nèi)多余水份。豌豆不耐澇,切忌溝渠內(nèi)出現(xiàn)淹積水情況。
 
  (二)防治病蟲。注意白粉病、根腐病、銹病、褐斑病等病害防治;蚜蟲、潛葉蠅的百株蚜量超過1500頭時開始第一次防治,可通過無人機(jī)噴施適宜藥劑,可用阿維菌素等適宜藥劑混合噴施,每周防治1次,連續(xù)防治2—3次,注意兼防豌豆象。
 
  (三)適期收獲。干豌豆收獲主要集中在4月下旬至5月上旬,待80%的植株葉片呈現(xiàn)青枯、莢果枯黃色時開始收割;一般采取分時分段收獲,在空氣濕度相對較高的時段將植株收割晾曬于田間,在空氣濕度相對較低時用機(jī)械進(jìn)行脫粒。鮮食豌豆食莢型品種,荷蘭豆類型在幼莢充分長大、尚未開始鼓粒時采收;甜脆豌豆(即水果莢)類型為莢殼明顯增厚,莢質(zhì)飽滿脆熟時采收;食青豆粒型品種,在莢鼓粒飽滿、籽粒種臍顏色顯黃時采收;食嫩尖型品種,在開花以前適時采收嫩尖;以人工采摘為主,應(yīng)盡量避免造成植株損傷。
 
  (四)倉貯減損。倉儲豆象(綠豆象、四紋豆象)是南方干豌豆產(chǎn)區(qū)為害嚴(yán)重的主要蟲害,干豌豆收獲脫粒清選后于陽光下晾曬2—3天,至豌豆水分降低至12%左右將豌豆按20—25公斤/袋封裝于透氣性良好的尼龍編織袋中并轉(zhuǎn)移到密閉庫房,可用磷化鋁片等熏蒸處理5—7天殺死蟲卵及豆象個體。干豌豆收獲晾干后也可放入4℃冷庫保存,防止豆象為害。
 
  北方產(chǎn)區(qū)
 
  本區(qū)一般2月下旬至4月中下旬進(jìn)行播種,機(jī)械化水平較高,主要技術(shù)要點(diǎn)如下:
 
  (一)選用良種。干豌豆生產(chǎn)選擇通過國家登記的干籽粒生產(chǎn)用半無葉類型且白粉病抗性突出、生育期中熟、苗期對干旱具有一定耐受力的品種;盡量選擇株高較高的半蔓生、硬莢類型品種。鮮食豌豆生產(chǎn)注重專用類型,突出品種優(yōu)勢,因地制宜選擇食籽粒豌豆、食莢豌豆、嫩尖用豌豆等株高70厘米以內(nèi)的矮生直立類型品種。
 
  (二)輪作整地。宜選擇谷類、麥類、薯類、油料等作物為前茬,前作收后及時秋翻,耕深15—25厘米。秋雨后適時耙耱整壓,提高土壤保水能力。旱地施肥應(yīng)堅(jiān)持基肥為主、種肥為輔和有機(jī)肥為主、無機(jī)肥為輔的原則,最佳施肥方法是在播種前將所有肥料一次性混勻施入土壤。
 
  (三)搶墑早播。在地表溫度穩(wěn)定通過5℃、土壤解凍深度12—15厘米時適時早播。內(nèi)蒙古、甘肅、青海、寧夏以及河北北部、山西北部等地適播期一般在3月中下旬到4月上中旬,山東以及北京東北部、河北中部和南部、山西南部等地適播期一般在2月中下旬到3月上旬。
 
  (四)合理密植。根據(jù)豌豆品種類型、籽粒大小、土壤肥力確定播種量,干豌豆畝播量一般12—17.5公斤,畝保苗4.5萬—6萬株。鮮食豌豆矮生極早熟品種畝播種量15—17.5公斤,保苗5萬—6萬株;半蔓生品種畝播種量10—15公斤,保苗4萬—5萬株;蔓生品種畝播種量8—12公斤,保苗3萬—4萬株。矮生極早熟、半蔓生品種一般采用機(jī)械條播,行距30—40厘米,株距3—5厘米;蔓生品種一般采用條播或點(diǎn)播,行距40—50厘米,每點(diǎn)播3—4粒,株距5—6厘米或點(diǎn)距15—20厘米,播種深度6—8厘米。要求覆土厚度一致,播后及時填壓,保證全苗壯苗,出苗整齊。
 
  (五)防控減損。注意科學(xué)除草,干豌豆在播種后3天內(nèi)噴施芽前除草劑化學(xué)除草,在出苗至始花期間進(jìn)行人工或機(jī)械除草、松土培土,結(jié)合除草培土形成田間排水溝渠,排積水、防漬澇。注意鼠害,鼠害的嚴(yán)重地塊用高效低毒農(nóng)藥進(jìn)行誘殺,每隔3—5天更換1次誘餌,連續(xù)5—7次。嚴(yán)防鳥害,鳥害主要發(fā)生在豌豆灌漿鼓粒時期,可在田間設(shè)置定時驅(qū)鳥炮、太陽能語音風(fēng)力驅(qū)鳥器、制作天敵模型等;在鳥害高發(fā)區(qū)域可選擇種植硬莢品種。
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