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垦鉴稻10号超高产肥密优化研究

发表时间:2008-04-30  浏览量:1442  下载量:719
全部作者: 赵凤亮,郑桂萍,刁伟伟,钱永德,吕艳东,王海泽,侯海鹏
作者单位: 黑龙江八一农垦大学植物科技学院
摘 要: 本文以垦鉴稻10号为试验材料,采用均匀设计,塑造出47个不同群体,进行产量及产量构成研究。结果表明蘖氮和磷肥对产量的综合贡献较大,基氮和密度次之,钾肥和穗氮较小;在互作效应中,磷肥和密度的互作、钾肥和密度的互作、基氮与密度的互作对产量的贡献较大。单位面积穗数受蘖氮的影响最大,蘖氮和密度互作能够大幅度提高平方米穗数。试验因子对穗粒数的影响相对较小。成粒率受磷肥、钾肥和密度的影响较大。千粒重受穗氮和钾肥的影响较大,而且磷钾互作对提高千粒重有利。超高产最佳肥密组合是氮磷钾之比约为2∶1.4∶1.9,基氮、蘖氮和穗氮分别占氮肥的26%、52%和22%,总施肥量为237.7 kg·hm-2左右;移栽密度为32穴·m-2左右。可获得10 404.1~10 429.3 kg·hm-2的产量,最高可达11 814.9 kg·hm-2。
关 键 词: 植物营养学;优化;均匀设计;寒地水稻;超高产;肥密
Title: Research of Kenjiandao10 super high yield on fertilizer-density optimization
Author: ZHAO Fengliang, ZHENG Guiping, DIAO Weiwei, QIAN Yongde, LV Yandong, WANG Haize, HOU Haipeng
Organization: Plant Science and Technology College, Heilongjiang August First Land Reclamation University
Abstract: Yield and yield components of 47 rice population of Kenjiandao10 were studied. It showed that the contribution of tillering nitrogen and phosphorus fertilizer was greatest, next were the base nitrogen and plant density, potassium and panicle nitrogen were the least. Yield was much affected by interaction of phosphorus-density potassium-density and base nitrogen-density. Panicle number was most greatly affected by tillering nitrogen, and the interaction of tillering nitrogen and density could improve it. Grains per panicle was less affected, however, suitable tillering nitrogen, potassium and density could improve it. Kernel setting rate was affected by phosphorus, potassium and density. 1 000-grain weight was affected by panicle nitrogen and potassium, and interaction of phosphorus and potassium increased 1 000-grain weight. Optimum combination of fertilizer and density was N∶P2O5∶K2O was 2∶1.4∶1.9, proportion of base nitrogen, tillering nitrogen and panide nitrogen were 26%, 52% and 22%, total fertilizer was 237.7 kg·hm-2, plant density was 32 holes·m-2, yield could add to 10 404.1~10 429.3 kg·hm-2, and maximal yield was 11 814.9 kg·hm-2.
Key words: plant nutrition; optimization; uniform design; rice in cold region; super high yield; fertilizer and density
发表期数: 2008年8月第8期
引用格式: 赵凤亮,郑桂萍,刁伟伟,等. 垦鉴稻10号超高产肥密优化研究[J]. 中国科技论文在线精品论文,2008,1(8):852-862.
 
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