2.開裂 主zhu要yao原yuan因yin是shi水shui分fen管guan理li不bu當dang。在zai胡hu蘿luo卜bu肉rou質zhi根gen膨peng大da期qi間jian澆jiao水shui不bu均jun勻yun,前qian期qi補bu水shui不bu足zu,肉rou質zhi根gen生sheng長chang緩huan慢man,後hou期qi突tu然ran大da量liang澆jiao水shui或huo短duan時shi間jian內nei降jiang水shui量liang大da,根gen係xi吸xi水shui後hou內nei部bu迅xun速su膨peng脹zhang引yin起qi開kai裂lie。對dui此ci,胡hu蘿luo卜bu肉rou質zhi根gen膨peng大da期qi要yao注zhu意yi水shui分fen管guan理li,使shi土tu壤rang見jian幹gan見jian濕shi,有you滴di灌guan或huo噴pen灌guan條tiao件jian的de可ke在zai大da雨yu來lai臨lin前qian澆jiao一yi次ci小xiao水shui。此ci外wai,采cai收shou不bu及ji時shi也ye會hui造zao成cheng裂lie根gen,生sheng產chan上shang應ying掌zhang握wo在zai肉rou質zhi根gen長chang18~20厘米、粗3~4厘米時采收。
3.青頭 主zhu要yao原yuan因yin是shi覆fu土tu太tai淺qian,肉rou質zhi根gen膨peng大da過guo程cheng中zhong不bu注zhu意yi培pei土tu,導dao致zhi生sheng長chang中zhong後hou期qi肉rou質zhi根gen頂ding部bu露lu出chu土tu麵mian,受shou到dao陽yang光guang照zhao射she產chan生sheng葉ye綠lv素su變bian綠lv。采cai用yong小xiao壟long單dan行xing種zhong植zhi或huo大da壟long雙shuang行xing種zhong植zhi的de胡hu蘿luo卜bu田tian,在zai清qing除chu地di膜mo後hou要yao及ji時shi覆fu土tu,前qian期qi不bu能neng覆fu土tu過guo多duo,蓋gai住zhu胡hu蘿luo卜bu頂ding部bu即ji可ke。隨sui著zhe胡hu蘿luo卜bu的de生sheng長chang,肉rou質zhi根gen頂ding部bu會hui露lu出chu地di麵mian,可ke在zai收shou獲huo前qian3周再次覆土,這樣可以防止肉質根頂部見光形成青頭,也能讓見光後形成青頭的部位逐漸恢複正常。
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