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Position: Home > Articles > Study on quantitative planting practice of machine-transplanted rice Acta Agriculturae Shanghai 2006,22 (1) 20-24

机插水稻精确定量栽培调控技术研究

作  者：
彭长青;李世峰;卞新民;钱宗华;徐长青;吴九林;周宇
单  位：
江苏省如东县作物栽培技术指导站;江苏省南通市作物栽培技术指导站;南京农业大学
关键词：
水稻;机插;精确定量栽培
摘  要：
在大田栽培条件下,以“武香粳14”为材料,对机插水稻的育秧、移栽、肥料运筹等进行了精确定量栽培调控技术研究。结果表明:①芽谷播量以150~180 g/盘(1 624 cm2)为最佳;②壮秧剂处理秧苗素质,机插质量均好于其他复合肥处理,苗床如用复合肥处理,则其用量以N-P2O5-K2O=10-10-5的复合肥150 g.m-2较好;双膜育秧的秧苗须在播后21 d内机插大田;③小棵密植(取秧面积1.26 cm2、株距11.7 cm、行距30 cm)有利于提高机插水稻的个体质量及群体水平;④大田施N量324 kg.hm-2、基蘖肥∶穗肥=6∶4的处理产量最高,单位面积总颖花量的显著提高是机插水稻产量增加的主要原因。
译  名：
Study on quantitative planting practice of machine-transplanted rice
作  者：
PENG Chang-qing~(1,2),LI Shi-feng~1,BIAN Xin-min~2, QIAN Zong-hua~3,XU Chang-qing~3,WU Jiu-lin~1,ZHOU Yu~1(~1Crop Cultivation Technology Station of Nantong City,Nangtong 226006,China; ~2Nanjing Agricultural University,Nanjing 210095,China; ~3Crop Cultivation Technology Station of Rudong County,Nangtong 226400,China)
关键词：
Rice;Machine-transplanted;Precise quantity planting
摘  要：
The field experiments of japonica rice variety "Wuxianjing 14" were conducted during 2002～2004 in order to study the precise quantity control of growing seedlings,transplantation and N fertilizer application of machine-transplanted rice.The results were as follows: ① the appropriate sowing rate was(150～180 g per) tray(1 624 cm~2);② treating seedlings with a seedling-strengthening agent was more conducive to improving the quality of machine-transplanted seedlings than compound fertilizer treatment;if compound fertilizer(N-P_2O_5-K_2O=10-10-5) was used,the rational dose was 150 g/m~2;the seedlings should be transplanted by machines to field within 21 days after sowing;③ close planting with fewer seedlings in each cluster could improve the individual and population quality of machine-transplanted rice;④ the rice yield was the highest when the amount of N fertilizer applied to field was 324 kg/hm~2 and the ratio of basal fertilizer and fertilizer for tillering to fertilizer for heading was 6 to 4;the significant increase in total glumous flowers per unit area was the main cause of the increase of machine-transplanted rice yield.

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