| "3414"肥料试验模型拟合的探讨 |
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| 引用本文： | 王圣瑞,陈新平,高祥照,毛达如,张福锁."3414"肥料试验模型拟合的探讨[J].植物营养与肥料学报,2002,8(4):409-413. |
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| 作者姓名： | 王圣瑞 陈新平 高祥照 毛达如 张福锁 |
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| 作者单位： | 1.农业部植物营养学重点开放实验室中国农业大学植物营养系 北京100094; |
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| 基金项目： | 联合国开发计划署(UNDP)平衡施肥项目(CPR/91/123)资助. |
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| 摘 要： | 以UNDP95-98年在河北唐山进行的27个3414冬小麦试验为例,研究了三元二次施肥模型与一元施肥模型对3414肥料试验结果的拟合情况。结果表明,三元二次施肥模型进行拟合试验成功率仅为56%,而采用一元施肥模型可以对全部试验进行数据处理。在同一试验中,与一元施肥模型相比,采用三元二次施肥模型计算的推荐施肥量偏高;根据一元施肥模型拟合计算分别有15%、44%、67%的点不需要施用N、P、K肥,而采用三元二次施肥模型则无法获得这一信息。因此,在3414试验中,一元施肥模型是三元二次施肥模型拟合的一种很好补充和优化手段。
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| 关 键 词： | 3414"肥料试验 三元二次施肥模型 一元施肥模型 最佳施肥量 |
| 文章编号： | 1008-505X(2002)04-0409-05 |
| 修稿时间： | 2001年9月17日 |
Study on simulation of "3414" fertilizer experiments |
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| WANG Sheng rui,CHEN Xin ping,GAO Xiang zhao,MAO Da ru,ZHANG Fu suo.Study on simulation of "3414" fertilizer experiments[J].Plant Nutrition and Fertilizer Science,2002,8(4):409-413. |
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| Authors: | WANG Sheng rui CHEN Xin ping GAO Xiang zhao MAO Da ru ZHANG Fu suo |
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| Affiliation: | 1.Dept of Plant Nutrition;China Agric Univ;Beijing 100094;China;2 National Agro Tech Exten and Serv Center;Beijing 100009;China |
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| Abstract: | This paper studied the effects of different fertilizer models on simulation for the"3414" fertilizer experiments, which were conducted from 1995 to 1998 in Tangshan City in Hebei Province, sponsored by UNDP (United Nations Development Program) The results showed that,the success ratio of simulation by three factor and one factor model was 56% and 100%, respectively; the recommended fertilizer amount by three factor model simulation was higher than that by one factor model simulation in the same '3414' experiment; and the ratio of the experiments without N, P2O5 and K2O recommended by one factor model simulation was 15%, 44% and 67% , respectively But by the three factor model simulation, such information was not available So, in '3414' fertilizer experiment, the one factor model was a supplement and an optimization for the three factor model |
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