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优质高产糯稻鄂糯9号高产栽培技术研究 被引量:4

Study on high-yielding cultivation techniques of glutinous rice E-nuo No.9 with good quality and high yield
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摘要 以糯稻鄂糯9号为研究材料,探索了播种时期、栽插秧龄、栽插密度、每穴栽插苗数和施氮量5个因素对其作中稻栽培产量的影响,并探索了头季稻的收割时期和留桩高度2个因素对其作再生稻栽培产量的影响。结果表明,作中稻栽培,鄂糯9号在5月21日至6月5日播种,秧龄30 d以内,栽插密度13.3 cm×23.3 cm^13.3 cm×26.7 cm,每穴栽插5~8苗,施氮量225.0~262.5 kg/hm2,可以获得较高产量;作再生稻栽培,8月10-14日收割头季稻并保留45~50 cm的稻桩高度,头季稻和再生稻可以获得较高产量。 Using E-nuo No.9 as the experimental material,the effects on middle-season rice yield of five factors,namely seeding stage,seedling age,seedling density,number of seedlings per hole and nitrogen application level were investigated,and the effects on regeneration rice yield of two factors,namely harvest time of first season rice and stubble height were investigated.Results showed that the highest middle-season rice yield of E-nuo No.9 could be achieved by seeding from May21 to June 5,transplanting seedlings less than 30 days with the spaces of the range from 13.3 cm×23.3 cm to 13.3 cm×26.7 cm and 5 to 8 seedlings per hole,and applying 225.0~262.5 kg/hm^2 pure nitrogen.The highest yield of first season rice and regeneration rice could be achieved by harvesting the first season rice from August 10 to 14 and retaining stubble height of45~50 cm.
作者 刘良军 韩烨 万正煌 LIU Liang-jun;HAN Ye;WAN Zheng-huang(Institute of Food Crops,Hubei Academy of Agricultural Sciences,Wuhan 430064,China;Agricultural Machinery Extension Service Center of Wulijie Town,Jiangxia District,Wuhan City,Wuhan 430202,China)
出处 《湖北农业科学》 2019年第14期21-24,58,共5页 Hubei Agricultural Sciences
关键词 糯稻 鄂糯9号 优质高产 栽培技术 glutinous rice E-nuo No.9 good quality and high-yield cultivation technique
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