| 皖南红黄壤地区连续施用磷钾肥对油菜产量、养分吸收及土壤肥力的影响 |
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| 引用本文： | 武际,郭熙盛,朱宏斌,王文军. 皖南红黄壤地区连续施用磷钾肥对油菜产量、养分吸收及土壤肥力的影响[J]. 计算机科学, 2006, 0(3): 482-486 |
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| 作者姓名： | 武际 郭熙盛 朱宏斌 王文军 |
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| 作者单位： | 安徽省农业科学院土壤肥料研究所 安徽合肥230031 |
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| 基金项目： | 安徽省科技厅科技攻关项目 |
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| 摘 要： | 在皖南红黄壤地区利用大田试验研究了连续施用磷钾肥对油菜产量、养分吸收和土壤肥力的影响。结果表明:在施用氮肥的基础上合理配施磷钾肥,促进了油菜的生长发育,提高了油菜植株的养分含量和养分吸收量,从而显著增加了油菜的产量,并且磷肥的增产效应大于钾肥效应,三季油菜平均产量以处理P90K120最高,达到了1968.7 kg hm-2;同时连续施用磷钾肥能够改善土壤养分含量,显著提高了土壤速效钾、速效磷含量,与试验前土壤相比,速效磷增加了14.83~20.2 mg kg-1,速效钾增加了69.51~109.61 mg kg-1。
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| 关 键 词： | 磷 钾 油菜 产量 养分含量 养分吸收 土壤肥力 |
Effect of Continuous Application of Phosphorus and Potassium Fertilizer on the Yield and Nutrient Uptake of Rapeseed and Soil Fertility in South Anhui |
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| WU Ji,GUO Xi-sheng,ZHU Hong-bin,WANG Wen-jun. Effect of Continuous Application of Phosphorus and Potassium Fertilizer on the Yield and Nutrient Uptake of Rapeseed and Soil Fertility in South Anhui[J]. Computer Science, 2006, 0(3): 482-486 |
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| Authors: | WU Ji GUO Xi-sheng ZHU Hong-bin WANG Wen-jun |
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| Abstract: | The effect of phosphorus and potassium fertilizer on the yield and nutrient uptake of rapeseed and soil fertility was studied.The result showed that the application of phosphorus and potassium fertilizer combined with nitrogen fertilizer could promote the |
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| Keywords: | Phosphorus Potassium Rapeseed Yield Nutrient Content Uptake Soil Fertility |
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