施肥量及密度对直立型绿豆品种产量效应的影响
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S522

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吉林省农业科技创新工程(CXGC2017TD016、CXGC2017JC001);吉林省科技发展计划(20180201071NY);现代农业产业技术体系建设专项资金(CARS-08-Z8)


Effects of Fertilizing Quantity and Density on Yield of Mungbean Erect Variety
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    摘要:

    为明确施肥量及密度对直立型绿豆品种产量效应的影响,以直立型绿豆吉绿10号为试验材料,采用四因素五水平二次正交旋转组合设计试验,探讨氮、磷、钾及密度配施对直立型绿豆品种产量的影响。同时建立氮、磷、钾肥及密度四因子与绿豆产量之间的函数模型,并对各因子作用进行分析,对模型进行了优化。主因子效应分析表明:四因子对吉绿10号产量影响大小顺序为:钾肥>株距>磷肥>氮肥。单因子效应分析表明,随着施氮肥和钾肥量的提高,绿豆产量呈先下降后上升的趋势;随着施磷量的提高,绿豆产量呈曲线下降的趋势;随着株距的增加,绿豆产量呈先上升后下降的趋势。模型优化结果表明,绿豆产量大于1 332.05 kg/hm2时大田试验适宜的施肥量为:N施用量55.6~65.8 kg/hm2、P2O5施用量81.9~96 kg/hm2、K2O施用量71.75~90.65 kg/hm2,适宜的株距为9.62~10.62 cm。

    Abstract:

    In order to determine the effect of fertilizer application and density on the yield effect of mungbean erect variety, a quadratic orthogonal rotation combination design experiment with four factors and five levels was conducted to investigate nitrogen, phosphorus, potassium, and density on yield of erect variety Jilv 10. At the same time, a function model between four factors and production was established, and the effect of each factor was analyzed and the model was optimized. The main factor effect analysis showed that the effect of four factors on the yield was in order of potash fertilizer>plant spacing>phosphate fertilizer>nitrogen fertilizer. The single factor effect analysis showed that with the increase of nitrogen and potash fertilizer application, the yield first decreased and then increased. With the increase of phosphate fertilizer application, the yield showed a downward trend. With the increase of plant spacing, the output showed a trend of rising first and then decreasing. The results of model optimization showed that when the mungbean yield was greater than 1 332.05 kg/ha. The appropriate fertilization amount for N,P2O5, and K2O were 55.6~65.8 kg/ha, 81.9~96 kg/ha, and 71.75~90.65 kg/ha, respectively, and the appropriate plant spacing was 9.62~10.62 cm.

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邓昆鹏,郭中校,王明海,包淑英,王桂芳,徐宁,刘洪霞.施肥量及密度对直立型绿豆品种产量效应的影响[J].东北农业科学,2020,45(6):32-36.

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  • 收稿日期:2018-11-19
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  • 在线发布日期: 2024-11-26
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