| 油-稻-稻种植制下晚稻氮、磷、钾肥施用效果 |
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| 引用本文： | 刘光文,胡富女,朱聂,游江峰,肖荣英,鲁剑巍.油-稻-稻种植制下晚稻氮、磷、钾肥施用效果[J].湖北农业科学,2006,45(2):174-176. |
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| 作者姓名： | 刘光文 胡富女 朱聂 游江峰 肖荣英 鲁剑巍 |
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| 作者单位： | 湖北省武穴市土壤肥料工作站,湖北,武穴,438400;华中农业大学资源与环境学院,武汉,430070 |
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| 摘 要： | 在大田条件下研究了鄂东地区水旱轮作三熟制中晚稻生长和产量对氮、磷、钾肥的反应.其中钾肥增产效果最好,最高达43.3%,氮肥最高为25.9%,而磷肥的最高增产率仅2.6%.结果还显示,一种养分增产效果的发挥受其他养分供应水平的影响,只有在其他养分供应充足时才能发挥氮、磷或钾的增产作用.根据肥料效应方程,每公顷最高产量的N、P2O5和K2O用量分别为161 kg、21.5 kg和451kg.
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| 关 键 词： | 晚稻 氮肥 磷肥 钾肥 平衡施肥 |
| 文章编号： | 0439-8114(2006)02-0174-03 |
| 收稿时间： | 12 5 2005 12:00AM |
| 修稿时间： | 2005年12月5日 |
Effect of N, P, K Fertilization on Late-season Rice under Rapeseed-rice-rice Rotation |
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| LIU Guang-wen,HU Fu-nü,ZHU Nie,YOU Jiang-feng,XIAO Rong-ying,LU Jian-wei.Effect of N, P, K Fertilization on Late-season Rice under Rapeseed-rice-rice Rotation[J].Hubei Agricultural Sciences,2006,45(2):174-176. |
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| Authors: | LIU Guang-wen HU Fu-nü ZHU Nie YOU Jiang-feng XIAO Rong-ying LU Jian-wei |
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| Institution: | 1.Wuxue Soil and Fertilizer Station of Hubei Province, Wuxue 436400 Hubei,China; 2.Resources and Environment College of Huazhong Agricuhural University,Wuhan 430070,China |
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| Abstract: | A field trial was carried out to study nitrogen(N),phosphate(P)and potassium(K)fertilization on late-season rice under rapeseed-rice-rice rotation in the East Hubei Province.K got the highest effect on rice yield with increment of 43.3 percent at 225 kg K2O per heetare compared to no K treatment.The highest increment of N was 25.9 percent with 165 kg N application per hectare.And the highest increment of P was only 2.6 percent.According to fertilizer response equation,the highest yield will be reached when N,P2O5 and K2O application rate was 161 kg,21.5 kg and 451 kg per hectare,respectively. |
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| Keywords: | late-season rice nitrogen(N) phosphate(P) potassium(K) balanced fertilization |
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