| 氮、磷肥用量对坚尼草种子产量的影响 |
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| 引用本文： | 韦家少. 氮、磷肥用量对坚尼草种子产量的影响[J]. 热带作物学报, 2003, 24(2): 55-58 |
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| 作者姓名： | 韦家少 |
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| 作者单位： | 中国热带农业科学院农牧研究所 海南儋州571737 |
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| 摘 要： | 采用L16(43)正交设计,进行氮、磷肥不同用量对坚尼草不同品种的种子产量影响的试验,结果表明:在16个处理组合中,以热研9号施氮肥225kg·hm-2、磷肥375kg·hm-2的处理组合单位面积产量最高,达671.5kg·hm-2;其次为热研9号施氮肥375kg·hm-2、磷肥225kg·hm-2的处理组合,产量为584.8kg·hm-2。品种单产高低的排序是:CIAT604>热研9号>热研8号>青绿黍;氮肥用量单产高低排序是:225>357>112.5>0kg·hm-2;磷肥则是:357>225>0>112.5kg·hm-2。
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| 关 键 词： | 坚尼草 施肥 种子产量 |
| 修稿时间： | 2002-05-28 |
Effect of N and P Fertilizers on Seed Yield of Panicum Maximum Jacq. |
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| Wei Jiashao. Effect of N and P Fertilizers on Seed Yield of Panicum Maximum Jacq.[J]. Chinese Journal of Tropical Crops, 2003, 24(2): 55-58 |
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| Authors: | Wei Jiashao |
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| Affiliation: | Tropical Field Crops and Animal Husbandry Research Institute, CATAS, Danzhou, Hainan 571737 |
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| Abstract: | The orthogonal L 16 (4 3 )experiment method was used to study the effect of different application rates of N and P fertilizers on seed yields of different cultivars of Panicum Maximum Jacq.The results showed that the highest seed yield(671.5kg /hm 2 )was in the cultivar Reyan No.9with the treatment combination of N225kg /hm 2 and P375kg /hm 2 ,followed by Reyan No.9(584.8kg /hm 2 )with the treatment combination of N375kg /hm 2 and P225kg /hm 2 .The cultivars produced seed yields in the order of CIAT604>Reyan No.9>Reyan8>trichoglume.The N application rates giving high seed yield were in the order of225kg /hm 2 >375kg /hm 2 >11.25kg /hm 2 >0kg /hm 2 ,and P application rate in the order of357kg /hm 2 >225kg /hm 2 >0kg /hm 2 >11.25kg /hm 2 . |
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| Keywords: | Panicum maximum Jacq.fertilizer application seed yield |
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