| 钾素用量对春玉米及产量性状的影响 |
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| 引用本文： | 赵景云,赵宏伟.钾素用量对春玉米及产量性状的影响[J].东北农业大学学报,2009,40(8). |
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| 作者姓名： | 赵景云 赵宏伟 |
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| 作者单位： | 东北农业大学农学院,哈尔滨,150030 |
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| 基金项目： | 东北农业大学博士启动基金 |
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| 摘 要： | 选用四单19、东农250和丰禾10为试验材料,研究了不同钾素用量对春玉米产量及产量性状的影响。结果表明,适量施钾能有效的提高春玉米的穗长、穗行数、行粒数和百粒重,减少秃尖长,提高玉米产量。但过量施钾对玉米产量的提高会产生不利影响。四单19以每公顷施K2O100kg产量最高,东农250和丰禾10以每公顷施K2O150kg产量最高。
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| 关 键 词： | 钾素 玉米 产量 产量性状 |
Effect of potassium application on yield and yield properties of spring maize |
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| ZHAO Jingyun,ZHAO Hongwei.Effect of potassium application on yield and yield properties of spring maize[J].Journal of Northeast Agricultural University,2009,40(8). |
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| Authors: | ZHAO Jingyun ZHAO Hongwei |
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| Institution: | ZHAO Jingyun,ZHAO Hongwei(College of Agriculture,Northeast Agricultural University,Harbin 150030,China) |
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| Abstract: | This experiment utilized Sidan19, Dongnong250 and Fenghe10 to study the effect of potassium application on yield and yield properties of spring maize. The results showed that it increased the spring maize of ear length rows per ear, seeds per row and 100-grain weight by supplied potassium, reduced bare top length and increased yield. However, the excessive applying potassium might have negative effects on the yield of spring maize. When the highest yield potassium application was 100 kg·hm-2, the yield of Sidan19 was the highest, when the highest yield potassium application was 150 kg·hm-2, The yield of Dongnong250 and Fenghe10 were the highest. |
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| Keywords: | potassium maize yield yield properties |
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