1嚴格控製水分
玉米種子收獲初期,含水量較高,經過一段時間的自然風幹或機械烘幹,使種子含水量逐漸地降下來。但在10月中下旬寒冷的天氣到來之前,含水量必須降到種子所要求的安全水分,也就是含水量必須降到14%以yi下xia,種zhong子zi才cai能neng夠gou安an全quan過guo冬dong。如ru含han水shui量liang過guo高gao,種zhong子zi內nei部bu各ge種zhong酶mei類lei就jiu要yao進jin行xing新xin陳chen代dai謝xie,呼hu吸xi能neng力li就jiu要yao加jia強qiang,遇yu到dao過guo低di的de低di溫wen時shi,種zhong子zi就jiu要yao受shou到dao凍dong害hai,部bu分fen或huo全quan部bu喪sang失shi發fa芽ya能neng力li,第di二er年nian播bo種zhong到dao田tian間jian就jiu會hui出chu現xian出chu苗miao不bu全quan或huo完wan全quan不bu出chu苗miao。
2注意提高種子質量
如(ru)種(zhong)子(zi)中(zhong)含(han)有(you)較(jiao)多(duo)的(de)不(bu)成(cheng)熟(shu)或(huo)破(po)碎(sui)的(de)種(zhong)子(zi),以(yi)及(ji)其(qi)它(ta)大(da)量(liang)的(de)塵(chen)土(tu)雜(za)質(zhi)等(deng),都(dou)會(hui)給(gei)種(zhong)子(zi)安(an)全(quan)貯(zhu)藏(zang)帶(dai)來(lai)不(bu)良(liang)後(hou)果(guo),在(zai)貯(zhu)藏(zang)中(zhong)一(yi)定(ding)要(yao)注(zhu)意(yi)保(bao)持(chi)種(zhong)子(zi)的(de)純(chun)度(du)和(he)淨(jing)度(du)。
3嚴格控製溫度
如(ru)種(zhong)子(zi)含(han)水(shui)量(liang)達(da)到(dao)安(an)全(quan)水(shui)分(fen)的(de)要(yao)求(qiu),種(zhong)子(zi)成(cheng)熟(shu)度(du)又(you)好(hao),是(shi)能(neng)夠(gou)長(chang)期(qi)忍(ren)受(shou)最(zui)低(di)溫(wen)度(du)對(dui)其(qi)侵(qin)襲(xi)的(de),這(zhe)樣(yang)的(de)種(zhong)子(zi)可(ke)以(yi)長(chang)期(qi)貯(zhu)藏(zang)在(zai)幹(gan)燥(zao)的(de)冷(leng)庫(ku)裏(li),而(er)不(bu)影(ying)響(xiang)其(qi)發(fa)芽(ya)能(neng)力(li)。如(ru)果(guo)玉(yu)米(mi)種(zhong)子(zi)含(han)水(shui)量(liang)在(zai)14%yishang,jiuyaocaiquyouxiaodeguanlicuoshi,zheyangdezhongziyaobaocunzaiwenduzailingduyishangdehuanjingli,yizhidaolainianbozhong,wendudoubudediyulingdu。diyulingduzhongzijiukenengshoudaodonghai,sangshifayanenglihuofayanenglijiangdi。
4保持通風良好,達到上不漏、下不潮
玉米種子具有明顯的吸潮性,即使是幹燥的種子,遇到雨淋、xuedefugaihuoyanqidexunzheng,douhuichuxianfanchaoxianxiang,yehuijiangdiyumizhongzidefayalv。suoyibuyaojiudiduifang,bixudiandifangchao,yaobazhuangyouzhongzidemadaihuoqitarongqiyongmuliaohuozhuandianlidimian50cm以yi上shang,室shi內nei要yao保bao持chi幹gan燥zao通tong風feng良liang好hao,即ji使shi種zhong子zi經jing常chang處chu在zai幹gan燥zao的de狀zhuang態tai中zhong,也ye要yao經jing常chang進jin行xing人ren工gong能neng風feng。放fang在zai外wai麵mian存cun放fang的de種zhong子zi,要yao用yong遮zhe蓋gai將jiang頂ding部bu蓋gai嚴yan,防fang止zhi雪xue蓋gai。
5嚴禁用塑料袋裝種子
yinweisuliaodaibutouqi,huishizhongzihekongqigejue,zhongzibunengjinxinghuxizuoyong,tongshi,zhongzihuchudeyiyanghuatanyewufapaichu,shijianchangle,daizilideeryanghuatanjileiguoduo,zaochengeryanghuatanzhongdu;另外,種子本身的水分和呼吸作用所產生的熱量散發不出去,造成種子發熱黴變。
6不要將種子與農藥、氮素化肥混放
有些人圖方便,將買回來的玉米種子和農藥、dansuhuafeidoufangdaoyiqibaocun,youdeshenzhibazhongzizhijiefangzainongyaohuohuafeishang,zheshihenbukexuede。youxienongyaoduizhongzishiyouduhaizuoyongde,zhongzihenongyaochangqifangzaiyiqibudanyingxiangzhongzifayalv,yekeshiyumizhongzifashengshenglibianhua,xianianzhongchudezajiaozhonghaikenengchuxianbuzhengchangxianxiang,dansuhuafeishuantaidan,juyouhuifaxing,huifachulaideanqiyouhenqiangdefushizuoyong。annongdujiaogaoshi,huishasizhongpei,shizhongzisangshishengmingli。
7種子貯藏期間要定期檢查
根據不同季節,對保存方法、含水量、溫度、發芽率等情況進行定期檢查,重點檢查3個方麵:一是檢查種子是否受潮濕;二是檢查種子是否被蟲蛀、鼠咬;三san是shi定ding期qi檢jian查zha種zhong子zi的de發fa芽ya率lv和he發fa芽ya勢shi。因yin種zhong子zi冬dong貯zhu時shi間jian是shi較jiao長chang的de,在zai整zheng個ge種zhong子zi貯zhu藏zang過guo程cheng中zhong,種zhong子zi自zi身shen的de含han水shui量liang受shou空kong氣qi的de溫wen度du和he濕shi度du的de影ying響xiang,都dou可ke能neng發fa生sheng較jiao大da的de變bian化hua。定ding期qi進jin行xing檢jian查zha是shi必bi不bu可ke少shao的de。
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