一、注意適時收獲 前季甘蔗的收獲期對宿根蔗影響很大。過早收獲,低溫幹旱期長,不利於蔗芽萌動,蔗頭容易失去生理機能,甚至旱死;過遲收獲,縮短了宿根蔗的生長期,影響宿根蔗的產量。據廣東中南部蔗區的經驗,在太寒過後,立春、雨水期間收獲,最適宜於留宿根。因這時的氣溫已開始回升,雨水也逐漸增加,溫度、水shui分fen已yi基ji本ben達da到dao萌meng芽ya的de要yao求qiu,有you利li於yu宿xiu根gen的de發fa株zhu。其qi次ci,留liu宿xiu根gen的de蔗zhe田tian,無wu論lun何he時shi收shou獲huo,要yao選xuan擇ze晴qing天tian進jin行xing,切qie忌ji雨yu天tian收shou獲huo,以yi免mian蔗zhe頭tou受shou到dao細xi菌jun的de侵qin染ran而er腐fu爛lan,損sun害hai蔗zhe芽ya,降jiang低di發fa株zhu率lv。
二、注意斬蔗質量 甘gan蔗zhe收shou獲huo質zhi量liang的de好hao壞huai,對dui宿xiu根gen蔗zhe的de生sheng長chang影ying響xiang很hen大da。斬zhan蔗zhe應ying選xuan用yong鋒feng利li的de工gong具ju。斬zhan蔗zhe要yao快kuai捷jie,使shi砍kan切qie口kou平ping整zheng,蔗zhe頭tou不bu破po裂lie。並bing實shi行xing小xiao鋤chu低di砍kan,適shi當dang入ru土tu,以yi保bao持chi蔗zhe頭tou7~10厘米長為宜。若留頭過高,高位芽易萌發而影響基部芽(過底筍)的de萌meng發fa,造zao成cheng發fa株zhu弱ruo。在zai立li春chun前qian砍kan收shou的de留liu宿xiu根gen蔗zhe田tian,要yao留liu秋qiu冬dong筍sun以yi養yang蔗zhe頭tou,但dan到dao春chun暖nuan後hou應ying斬zhan去qu,使shi宿xiu根gen蔗zhe發fa株zhu整zheng齊qi,在zai立li春chun後hou砍kan收shou的de留liu宿xiu根gen蔗zhe田tian,應ying采cai用yong“一掃光”斬掉秋冬筍,做到回頭看不見青。3月後砍收的,應小心保留粗壯的春筍。
三、注意及時清園 liuxiugendezhetian,zaizhanshouhouyaojishiqingyuan,fangzhizheyechangqifugaizhetou,yimianzhetoubeiouhuaifasuan,yingxiangfazhu。qingyuandefangfayouliangzhong,yizhongshibazheyeliuzaitianzhong,yizhongshibazheyequanmianqingchutianwai。qingchutianwaidezheye,kefangzaidibianduijiduifei,daifulanhouzuofeiliaohuitian;把(ba)蔗(zhe)葉(ye)留(liu)在(zai)田(tian)中(zhong)的(de),可(ke)把(ba)蔗(zhe)葉(ye)隔(ge)行(xing)堆(dui)放(fang)於(yu)畦(qi)溝(gou)中(zhong),直(zhi)接(jie)回(hui)田(tian)作(zuo)肥(fei),或(huo)把(ba)蔗(zhe)葉(ye)全(quan)麵(mian)攤(tan)開(kai),曬(shai)幹(gan)後(hou)放(fang)火(huo)燒(shao)毀(hui)。清(qing)園(yuan)方(fang)法(fa)以(yi)把(ba)葉(ye)作(zuo)肥(fei)料(liao)回(hui)田(tian)為(wei)最(zui)好(hao),能(neng)增(zeng)加(jia)土(tu)壤(rang)有(you)機(ji)質(zhi),改(gai)良(liang)土(tu)壤(rang),培(pei)肥(fei)地(di)力(li),提(ti)高(gao)宿(xiu)根(gen)蔗(zhe)產(chan)量(liang)。
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