花hua生sheng是shi一yi種zhong地di下xia結jie果guo的de大da顆ke粒li作zuo物wu,在zai收shou獲huo和he貯zhu藏zang上shang具ju有you許xu多duo與yu其qi他ta作zuo物wu種zhong子zi不bu同tong的de特te殊shu要yao求qiu。生sheng產chan上shang,花hua生sheng的de適shi期qi收shou獲huo和he安an全quan貯zhu藏zang是shi一yi項xiang技ji術shu性xing較jiao強qiang的de工gong作zuo,事shi關guan花hua生sheng的de高gao產chan和he優you質zhi。因yin此ci,應ying切qie實shi認ren真zhen地di抓zhua好hao。下xia麵mian介jie紹shao各ge地di總zong結jie出chu來lai的de一yi些xie成cheng功gong經jing驗yan,供gong應ying用yong時shi參can考kao。
1.花hua生sheng的de收shou獲huo適shi期qi花hua生sheng是shi陸lu續xu開kai花hua結jie果guo的de作zuo物wu,同tong一yi株zhu上shang的de莢jia果guo不bu能neng同tong時shi成cheng熟shu。因yin此ci,如ru果guo收shou獲huo過guo早zao,影ying響xiang子zi粒li內nei養yang分fen的de積ji累lei,使shi子zi仁ren灌guan漿jiang不bu足zu、莢果不飽滿、秕果多、出仁率低、含油量下降。收獲過晚,果柄幹枯黴爛、果(guo)莢(jia)易(yi)脫(tuo)落(luo),收(shou)獲(huo)時(shi)易(yi)發(fa)生(sheng)掉(diao)粒(li)和(he)腐(fu)爛(lan)粒(li)增(zeng)多(duo)等(deng)現(xian)象(xiang)。收(shou)獲(huo)越(yue)晚(wan),氣(qi)溫(wen)越(yue)低(di),果(guo)實(shi)越(yue)不(bu)易(yi)曬(shai)幹(gan),遇(yu)霜(shuang)凍(dong)還(hai)會(hui)受(shou)凍(dong),影(ying)響(xiang)品(pin)質(zhi),甚(shen)至(zhi)喪(sang)失(shi)發(fa)芽(ya)能(neng)力(li)。特(te)別(bie)是(shi)早(zao)熟(shu)品(pin)種(zhong),因(yin)休(xiu)眠(mian)期(qi)短(duan),在(zai)土(tu)壤(rang)水(shui)分(fen)、溫(wen)度(du)適(shi)宜(yi)時(shi),還(hai)會(hui)大(da)量(liang)發(fa)芽(ya)造(zao)成(cheng)損(sun)失(shi)。那(na)麼(me)花(hua)生(sheng)在(zai)什(shen)麼(me)時(shi)候(hou)收(shou)獲(huo)為(wei)最(zui)適(shi)宜(yi)呢(ne)?總(zong)的(de)說(shuo)來(lai),在(zai)初(chu)霜(shuang)之(zhi)前(qian),地(di)上(shang)部(bu)分(fen)蔓(man)莖(jing)枝(zhi)葉(ye)呈(cheng)現(xian)衰(shuai)老(lao)狀(zhuang)態(tai)時(shi)收(shou)獲(huo)為(wei)最(zui)適(shi)宜(yi),即(ji)頂(ding)端(duan)生(sheng)長(chang)點(dian)停(ting)止(zhi)生(sheng)長(chang),上(shang)部(bu)葉(ye)片(pian)發(fa)黃(huang),中(zhong)、下xia部bu葉ye片pian由you綠lv轉zhuan黃huang並bing逐zhu漸jian脫tuo落luo,莖jing蔓man變bian黃huang並bing出chu現xian不bu規gui則ze的de長chang條tiao黑hei斑ban,大da多duo數shu莢jia果guo莢jia殼ke網wang紋wen明ming顯xian,莢jia果guo內nei海hai綿mian層ceng收shou縮suo並bing有you黑hei褐he色se光guang澤ze,子zi粒li飽bao滿man,果guo皮pi和he種zhong皮pi基ji本ben呈cheng現xian固gu有you的de顏yan色se時shi,即ji為wei花hua生sheng收shou獲huo的de最zui佳jia時shi期qi。尤you其qi是shi作zuo種zhong用yong的de花hua生sheng,更geng應ying注zhu意yi及ji時shi收shou獲huo,切qie實shi做zuo到dao"種子不見霜".
2.花生的收獲方法剛收獲的花生含水量較高,一般達45%~50%,特別是秕果可達60%,如不及時晾曬,極易發生黴爛、變質或遭受凍害。為了安全貯藏,確保花生品質,應在收獲後,搶晴天將帶莢果的花生植株倒置在田間晾曬2~3天,以促進後熟和風幹。然後摘果,平攤曬果。當莢果曬到口咬發脆、手搖有響聲、剝開莢殼手搓種皮易脫落時,含水量一般在10%以下,即可裝袋入庫。
3.花生的安全貯藏花生入庫後一定要根據其貯藏特性,重點做好防受潮、防發熱、防受凍和防黴變等工作,確保安全貯藏。花生種子含有豐富的蛋白質、碳(tan)水(shui)化(hua)合(he)物(wu)等(deng),在(zai)貯(zhu)藏(zang)過(guo)程(cheng)中(zhong),很(hen)容(rong)易(yi)吸(xi)收(shou)空(kong)氣(qi)中(zhong)的(de)水(shui)分(fen),使(shi)呼(hu)吸(xi)作(zuo)用(yong)增(zeng)強(qiang),同(tong)時(shi)消(xiao)耗(hao)養(yang)分(fen),放(fang)出(chu)大(da)量(liang)的(de)熱(re)能(neng)使(shi)種(zhong)子(zi)堆(dui)溫(wen)升(sheng)高(gao),進(jin)而(er)導(dao)致(zhi)種(zhong)子(zi)受(shou)熱(re)發(fa)黴(mei)變(bian)質(zhi),喪(sang)失(shi)生(sheng)理(li)活(huo)力(li)。一(yi)般(ban)當(dang)花(hua)生(sheng)貯(zhu)藏(zang)的(de)庫(ku)容(rong)環(huan)境(jing)氣(qi)溫(wen)達(da)到(dao)9℃左右、種子含水量在11%時,堆垛底部就會發熱,出油率降低。種子含水量在13%、溫度超過17℃,就開始產生黴菌,若超過20℃就發生黴變。若超過安全水分界限,種子在-3℃tiaojianxiazejiyizaochengzhongzishoudongbianzhi。jishizhongzihanshuiliangzaianquanzhuzangshuifenjiexianzhixia,zaiteshudeyanhanzhongyechangfashengdonghai。yinci,huashengshixiananquanzhuzang,yidingyaozhongshizhuzangtiaojiandegaishanhezhuzanghuanjingdekongzhi,jingchangbaochikuneiganzao、通tong風feng和he適shi宜yi的de室shi溫wen。若ruo發fa現xian種zhong子zi含han水shui量liang超chao過guo安an全quan界jie限xian或huo種zhong堆dui溫wen度du升sheng高gao,就jiu應ying及ji時shi進jin行xing妥tuo善shan處chu置zhi,如ru搶qiang晴qing好hao天tian氣qi翻fan倉cang晾liang曬shai等deng,以yi避bi免mian損sun失shi。
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