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当前位置: 首页 > 文章 > 播量、育秧基质对不同秧龄郑稻18号机插秧苗素质和产量的影响 河南农业科学 2016,45 (11) 14-18
Position: Home > Articles > Effects of Seeding Rates and Raising Materials on Mechanical Transplanting Rice Seedling Quality and Yield of Zhengdao No.18 at Different Seedling Ages Journal of Henan Agricultural Sciences 2016,45 (11) 14-18

播量、育秧基质对不同秧龄郑稻18号机插秧苗素质和产量的影响

作  者：
王生轩;齐红志;尹海庆;付景;王付华;王亚
单  位：
河南省农业科学院粮食作物研究所;河南省农业科学院农业经济与信息研究所
关键词：
水稻;播种量;育秧基质;秧龄;秧苗素质;根系形态
摘  要：
以机插水稻秧苗为研究对象,探讨播量(80、100、120 g/盘)、育秧基质(耕层土、耕层土+育秧伴侣、耕层土+壮秧剂、耕层土+有机质)对不同秧龄(20、25、30、35 d)机插水稻郑稻18号秧苗素质和产量的影响。结果表明:播量及育秧基质对不同秧龄郑稻18号的秧苗素质和产量有明显影响,在播量为100 g/盘、秧龄为25 d时可获得高素质秧苗并且水稻产量最高,比同一秧龄播量分别为80、120 g/盘处理的产量提高11.7%、12.5%,比同一播量秧龄分别为20、30、35 d处理的产量提高21.3%、12.5%、29.1%;在播量为100 g/盘条件下,当基质为耕层土+有机肥、秧龄为25 d时可获得高素质秧苗并且水稻产量最高,比同一秧龄耕层土、耕层土+育秧伴侣、耕层土+壮秧剂处理的产量分别提高15.3%、7.7%、5.2%,比同一基质秧龄分别为20、30、35 d处理的产量提高23.7%、16.0%、27.7%。综上,在耕层土+有机肥为育秧基质、播量为100 g/盘、秧龄为25 d时能培育出适合于机插的高素质秧苗,且可获得高产。
译  名：
Effects of Seeding Rates and Raising Materials on Mechanical Transplanting Rice Seedling Quality and Yield of Zhengdao No.18 at Different Seedling Ages
作  者：
WANG Shengxuan;QI Hongzhi;YIN Haiqing;FU Jing;WANG Fuhua;WANG Ya;Cereal Research Institute,Henan Academy of Agricultural Sciences;Agricultural Economy &Information Research Institute,Henan Academy of Agricultural Sciences;
关键词：
rice;;seeding rates;;seedling raising substrate;;seedling age;;quality of rice seedling;;root morphology
摘  要：
The mechanical transplanting rice seedling quality and grain yield of Zhengdao No. 18 at different seedling ages were studied under different seeding rates( 80 g per disc,100 g per disc and 120 g per disc) and raising materials( topsoil,topsoil mixed seedling partner,topsoil mixed seedling,topsoil mixed organic fertilizer). The results indicated that the effects of seeding rates and raising materials on seedling quality and grain yield of mechanical transplanting rice Zhengdao No. 18 at different seedling ages were obvious. The seedling quality and grain yield were the highest at the seedling age of 25 d when the seeding rate was 100 g per disc,and grain yield increased by 11. 7% and 12. 5% compared with that under the seeding rates of 80 g and 120 g per disc at the same seedling age,respectively,and increased by21. 3%,12. 5% and 29. 1% compared with that at the seedling ages of 20 d,30 d and 35 d at the same seeding rate,respectively. The seedling quality and grain yield were the highest at the seedling age of 25 d when the raising material was topsoil mixed organic fertilizer under the seeding rate of 100 g per disc,and grain yield increased by 15. 3%,7. 7% and 5. 2% compared with that under the raising materials of topsoil,topsoil mixed seedling partner,topsoil mixed seedling at the same seedling age,respectively,and increased by 23. 7%,16. 0% and 27. 7% compared with that at the seedling ages of 20 d,30 d and 35 d under the same raising material,respectively. In summary,high-quality seedling fitting mechanical transplanting rice and high yield would be obtained when the raising material was topsoil mixed organic fertilizer and seeding rate was 100 g per disc at the seedling age of 25 d.

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