水条播下水稻生长发育、产量及经济效益分析
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S511

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国家重点研发计划项目(2017YFD0300502-6);黑龙江八一农垦大学研究生创新科研项目(YJSCX-2019Y08);黑龙江八一农垦大学科研团队平台支持计划(TDJH201802)


Analysis of Rice Growth, Yield and Economic Benefit under Water Drill Seeding
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    摘要:

    以粳稻品种龙粳20号和龙粳58为供试材料,在2017~2018年设置水条播和常规插秧2种种植方式,研究水条播对水稻生长发育、产量及产量构成因素和经济效益的影响。与常规插秧相比,水条播下龙粳20号和龙粳58的株高、穗部性状和产量均呈现下降的趋势,产量降低主要是由于穗粒数、成粒率和千粒重的降低引起的;从经济效益看,水条播的经济效益高于常规插秧,水条播较常规插秧生产成本降低了30%,每公顷产值减少324元、成本降低4 260元、纯效益增加了3 936元。

    Abstract:

    Using japonica rice varieties Longjing 20 and Longjing 58 as test materials. Two planting methods, sowing in line under water and conventional rice transplanting, will be set up from 2017 to 2018. The effects of sowing in line under water on rice growth and yield, yield components and economic benefits were studied. The results showed that the plant height, ear traits and yield of Longjing 20 and Longjing 58 under sowing in line under water showed a downward trend compared with conventional transplanting. The main reason for the decrease in yield is due to the decrease in grain number per spike, grain formation rate and 1,000-grain weight. From the perspective of economic benefits, the economic benefits of sowing in line under water are higher than that of conventional transplanting. Compared with conventional transplanting, the production cost of sowing in line under water is reduced by 70%, the output value per hectare is reduced by 324 yuan, the cost is reduced by 4,260 yuan, and the net benefit is increased by 3,936 yuan.

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王鹤璎,郭晓红,马艳,李猛,姜红芳,兰宇辰,徐令旗,王佳乐,张佳柠,吕艳东.水条播下水稻生长发育、产量及经济效益分析[J].东北农业科学,2022,47(3):42-46.

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  • 收稿日期:2019-11-25
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  • 在线发布日期: 2024-11-09
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