miaochuangdeshuifenguanli,yijiaozudishangweiyuanze。congbozhongdaochumiao,yaobaochimiaochuangshirunsongruan,fouzehuiyingxiangzhongzifaya。yibanzaijiaozudishangshuideqingkuangxia,bubizaijiaoshui,ruquexugongshuishi,kezaizaochenhuobangwanyongpenhusashui。youmiaozaishiziyeqi,ruxujiaoshui,yingyijiaoxiaoshuiweiyi。shuyeqi,yingshidangkongzhishuifen,yiligenxifayu。genxihuodongcengdeturanghanshuiliangyingbaochitianjianzuidachishuiliangde60%左zuo右you,床chuang土tu表biao麵mian呈cheng現xian不bu幹gan不bu濕shi的de狀zhuang態tai,如ru果guo早zao上shang表biao土tu不bu返fan潮chao時shi,即ji需xu澆jiao水shui,以yi接jie底di墒shang為wei宜yi。成cheng苗miao期qi通tong常chang以yi斷duan水shui靠kao苗miao為wei主zhu,本ben著zhe不bu旱han不bu澆jiao的de原yuan則ze進jin行xing管guan理li,以yi提ti前qian鍛duan煉lian煙yan苗miao抗kang逆ni力li。如ru果guo晴qing天tian中zhong午wu葉ye片pian表biao現xian萎wei蔫nian,早zao、晚不能恢複,應適量澆水。雨水較多的地區,應注意及時排水,全育苗過程中,任何時期都不得有積水現象。
烤煙苗床施肥宜以基肥為主,追肥為輔。基肥用量應滿足第3真葉期以前的需要,否則可視為基肥不足。追肥應視煙苗生長狀況酌情施用,追施1~3次均可。第3真葉出現前,煙苗嫩弱,對氨態氮最為敏感,追肥必須謹慎從事,氮素化肥用量以每平方米5~10克為宜,追施肥料的濃度一般宜掌握在1%~1.5%,切忌用量過大。無論於何時噴施,都必須用清水把煙苗衝洗幹淨,以防產生肥害。
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