缓释复混肥与速效氮肥配施对机插水稻产量形成的影响  

Effects of Combined Application of Controlled Release Fertilizer and Available Nitrogen Fertilizer on Yield Formation of Mechanical Transplanting Rice

作　　者：王瑜 赵庆雷 信彩云 陈博聪 刘奇华 王佳[2] 李曰鹏 马加清 

机构地区：[1]山东省水稻研究所/山东省水稻工程技术研究中心,山东济南250100 [2]阳信县农业局,山东阳信251800 [3]山东省金正大生态工程股份有限公司,山东临沭276700

出　　处：《山东农业科学》2017年第9期118-121,共4页Shandong Agricultural Sciences

基　　金：山东省农业重大应用创新项目“麦茬稻高效施肥关键技术研究与示范”;山东省水稻产业技术体系岗位专家

摘　　要：试验于2015—2016年在山东省水稻研究所济宁水稻试验基地进行,以津稻263进行机插种植,试验设置4个处理,分别为不施氮肥对照(CK0)、常规施肥对照(CK)、缓释复混肥处理(KSF)、缓释复混肥与速效氮肥配施处理(KSF+N)。研究结果表明,成熟期单位面积收获穗数以KSF+N处理(320万穗/hm2)最高,显著高于其它3个处理;灌浆期KSF+N处理干物质积累显著高于KSF处理,成熟期无显著差异;结实率KSF+N和KSF处理比CK提高2.92%和3.93%,同时,成穗率分别显著高于CK 14.33个和15.45个百分点;产量表现为KSF+N>CK>KSF>CK0,KSF+N和CK处理差异较小。缓释复混肥与速效氮肥配施在提高水稻穗数、叶面积指数及产量上优于缓释复混肥一次性施肥处理。与常规施肥相比,缓释复混肥与速效氮肥配施可以显著提高水稻穗数和收获指数。The experiment was conducted in Jining Rice Test Site of Shandong Rice Research Institute in2015 to 2016,and the mechanical transplanting rice variety was Jindao 263. Four treatments were set up,which were CK0（ no-N fertilizer）,CK（ conventional fertilization）,KSF（ controlled release fertilizer） and KSF ＋ N（ controlled release fertilizer with available nitrogen fertilizer）. The results showed that the harvested spike per unit area of KSF ＋ N（ 3. 2 million spikes/hm2） treatment was the highest at the mature period,which significantly higher than those of the other three treatments. At the pustulation period,the dry matter accumulation of KSF ＋ N treatment was higher than that of KSF,while there was no significant difference at the mature period. The setting percentages of KSF ＋ N and KSF increased by 2. 92% and 3. 93% respectively than that of CK,at the same time,the earing rates were 14. 33 and 15. 45 percentage points higher than that of CK. The production performance was KSF ＋ N〉 CK〉 KSF〉 CK0,and there was no significantdifference between KSF ＋ N and CK treatment. The combined application of controlled release fertilizer and available nitrogen fertilizer could more effectively improve the panicle number,leaf area index and yield of rice than that of singe fertilization of slow release fertilizer treatment. Compared with conventional fertilization,the combined application of controlled release fertilizer and available nitrogen fertilizer could significantly increase the effective panicle number and harvest index of rice.

关 键 词：缓释肥 速效氮肥 配比 机插水稻 产量 

分 类 号：S511.062[农业科学—作物学]