蘿卜分叉仍可食用,雖然品質不會變差,但外觀畸形,影響商品美觀。蘿卜分叉現象的原因主要有如下幾種:
1、土質及耕作方麵:土壤犁翻太淺,底層土壤過硬。同時在深耕過程中沒有將石頭、樹根、瓦片、suliaoyingwuqingchu。turangdicengguoyingbusong,youyouyingwuzuai,biranyingxiangdaozhugenshouzuyincihuicujincegenfasheng,guanghezuoyongchanshengwuzhiyijingjilei,zhugenhecegentongshifeidaqilai。lingwaiturangfanshaibugou,dixiaruqiuyin、蠐螬、螻蛄之類害蟲過多,主根受損,側根自然產生。日後也會出現分叉。
2、肥料沒充分腐熟:未(wei)完(wan)全(quan)腐(fu)熟(shu)的(de)肥(fei)料(liao)含(han)有(you)多(duo)量(liang)的(de)尿(niao)酸(suan),既(ji)灼(zhuo)傷(shang)主(zhu)根(gen),又(you)令(ling)到(dao)側(ce)根(gen)受(shou)到(dao)刺(ci)激(ji)而(er)長(chang)出(chu),基(ji)肥(fei)施(shi)放(fang)不(bu)均(jun)勻(yun),翻(fan)入(ru)土(tu)層(ceng)不(bu)深(shen),也(ye)同(tong)樣(yang)損(sun)害(hai)主(zhu)根(gen)的(de)伸(shen)長(chang)活(huo)動(dong),側(ce)根(gen)同(tong)樣(yang)產(chan)生(sheng)。一(yi)經(jing)物(wu)質(zhi)積(ji)累(lei)而(er)肥(fei)大(da),則(ze)形(xing)成(cheng)分(fen)叉(cha)。
3、栽種密度過大:蘿luo卜bu播bo種zhong定ding苗miao時shi相xiang隔ge的de距ju離li過guo寬kuan,夏xia秋qiu蘿luo卜bu分fen叉cha較jiao少shao,而er秋qiu冬dong或huo冬dong春chun蘿luo卜bu分fen叉cha較jiao多duo,原yuan因yin是shi秋qiu冬dong春chun季ji的de天tian氣qi特te別bie有you利li蘿luo卜bu的de生sheng長chang,光guang合he作zuo用yong效xiao能neng強qiang而er製zhi造zao積ji累lei物wu質zhi豐feng富fu。如ru果guo栽zai種zhong的de密mi度du過guo於yu寬kuan疏shu,植zhi株zhu生sheng勢shi特te別bie旺wang盛sheng,葉ye子zi製zhi造zao光guang合he產chan物wu就jiu特te別bie多duo,自zi然ran也ye有you更geng多duo出chu現xian分fen叉cha的de現xian象xiang。
避免分叉的辦法,是認真抓好土壤的深耕細作,保持土壤疏鬆;施用充分腐熟了的有機肥料,而且將這些肥料均勻撒播到土層中;根據每個品種的要求,合理密植。
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