| 海城市水稻磷肥适用量研究 |
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| 引用本文： | 王晓玲.海城市水稻磷肥适用量研究[J].北方水稻,2009,39(6):37-39. |
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| 作者姓名： | 王晓玲 |
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| 作者单位： | 海城市农业技术推广中心,辽宁,鞍山,114200 |
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| 摘 要： | 通过在海城市西四镇进行水稻施用磷肥的田间小区试验,研究该地区水稻施磷的增产效果和适宜用量,结果表明,在西四镇水稻产区施用磷肥各处理均有明显的增产效果,与对照相比增产64.5～142.3 kg/667 m2,增产率为11.5%～25.4%,经济效益明显。从水稻产量和肥料价格及经济效益等综合因素考虑,水稻的磷肥适宜用量为P2O5 7.75 kg/667 m2,最佳经济产量为699.4 kg/667 m2。
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| 关 键 词： | 水稻 磷肥 产量 适用量 效益 |
Study on Suitable Phosphorus Fertilizer Amount in Rice in Haicheng |
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| Abstract: | The field experiment in Haicheng showed that the yield of rice increased with the increase of phosphorus fertilizer.The yield was increased by 64.5 to 42.3 kg/667 m2 and the yield increasing rate was 11.5 to 25.4%.The optimum yield of rice was 699.4 kg/667 m2 when the P2O5 amount was 7.75 kg/667 m2 based on the price of fertilizer and economic profit. |
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| Keywords: | Rice Phosphorus fertilizer Yield Suitable amount Profit |
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