“两稻三鸭”共育模式对再生稻、土壤养分及有害生物影响分析  

Effect of “Two-cropping Rice with Three-season Duck” Farming Mode on Ratoon Rice,Soil Nutrient and Rice Pest

作　　者：邵彩虹[1,2] 李秋保 王国炜 谢建萍 谢芳腾 蒋龙 谢金水 刘光荣[1] 彭春瑞[1] SHAO Caihong;LI Qiubao;WANG Guowei;XIE Jianping;XIE Fangteng;JIANG Long;XIE Jinshui;LIU Guangrong;PENG Chunrui(Soil and Fertilizer&Resources and Environment Institute,Jiangxi Academy of Agricultural Sciences,Nanchang 330200,China;Ganzhou Institute of Agricultural Sciences,Ganzhou Jiangxi 341000,China;Agricultural Technology Extension Station of Tiantou Town,Ningdu Jiangxi 342826,China;Agricultural Technology Extension Station of Huitong Town,Ningdu Jiangxi 342826,China)

机构地区：[1]江西省农业科学院土壤肥料与资源环境研究所,南昌330200 [2]赣州市农业科学研究所,江西赣州341000 [3]宁都县田头镇农业技术推广站,江西宁都342816 [4]宁都县会同乡农业技术推广站,江西宁都342816

出　　处：《西北农业学报》2021年第12期1871-1878,共8页Acta Agriculturae Boreali-occidentalis Sinica

基　　金：国家重点研发计划(2018YFD0301105,2016YFD030050702)。

摘　　要：为探明再生稻-冬闲模式下稻鸭周年共育生态效应,通过田间试验,研究"两稻三鸭"(RD)和再生稻-冬闲(CK)模式对水稻产量、稻米品质、土壤养分及主要有害生物的影响。结果表明,RD模式可增强头季稻抗倒伏性,提高再生率8.3%,增加再生季有效穗、双季穗粒数、结实率及千粒质量,提高双季产量;与CK相比,RD模式下土壤pH提高0.37,有机质增加5.1%,水解氮提高19.5%、有效磷提高37.5%、速效钾提高2.6%;RD模式对再生稻田间病虫草害有显著防控效果,当年田间杂草减少74.5%,降低87.6%福寿螺及84.4%纹枯病的危害,次年田间杂草发生基数减少53.6%;RD模式生态效应显著,可作为南方双季稻区绿色生产的重要模式。In order to find out the ecological effect of annual co-breeding of ratooning crop rice and duck,two treatments of two-cropping rice with three duck(RD) and ratooning rice-winter idle(CK)were set up.The effects of RD and CK on rice yield,rice quality,soil nutrient,pests and weeds were studied.The results showed that RD could improve lodging resistance and increase ratooning rate by 8.3% in ratooning crop rice.Compared with CK,the high yield of RD was obtained by increasing effective panicle number in ratooning crop rice,and increasing grain number per panicle,seed setting rate and 1 000-grain mass in first and ratooning crop rice.The results also showed that RD could increase soil pH value by 0.37,organic matter by 5.1%,hydrolytic nitrogen by 19.5%,available phosphorus by 37.5%,available potassium by 2.6%,and could inhibit weeds by 74.5% ampullaria crossean,by 87.6%,sheath blight,by 84.4%,and reduce weeds by 53.6% in the following year.RD had remarkable ecological effect and could be used as an important green production mode in double cropping rice area of south China.

关 键 词：两稻三鸭 生态效应 土壤养分 有害生物 产量品质 

分 类 号：S435.11[农业科学—农业昆虫与害虫防治] S451[农业科学—植物保护]