| 魏成熙.喀斯特山区冬小麦施肥量与产量的关系[J].干旱地区农业研究,2006,(3):60~63 |
| 喀斯特山区冬小麦施肥量与产量的关系 |
| Relationship between the amount of fertilizer applied and the winter wheat yield in Kasta mountain area |
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| DOI：10.7606/j.issn.1000-7601.2006.03.12 |
| 中文关键词: 喀斯特山区 冬小麦 有机肥 产量 |
| 英文关键词:Kasta Mountain area winter wheat organic fertilizer yield |
| 基金项目:贵州省教育厅基金资助项目(黔教科2003101) |
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| 中文摘要: |
| 采用三因素饱和D-最优设计方案,研究黔西县大关镇冬小麦施肥量与产量之间的数量关系。结果表明,小麦产量随有机肥的施用量的增加而增加,呈线性相关关系。在一定的范围内,施用氮肥、磷肥有增产作用,当氮、磷施用量过高时产量下降,氮、磷的施用量与小麦产量呈抛物线关系;施用有机肥和磷肥对小麦产量有显著作用,而氮肥的施用量不宜过多。其适宜的有机肥施用量为600~750 kg/667 m2,尿素施用量9~12 kg/667 m2,普钙施用量20~42 kg/667 m2。 |
| 英文摘要: |
| The relationship between the amount of fertilizer applied and the winter wheat yield was researched using saturated D-optimized experimental design for 3-factor case.The result showed that wheat yield increased with increase of organic fertilizer use amount,they are correlated linearly.The use of reasonable amount of N and P led to increase of wheat yield,while the use of too much N and P apparently resulted in decrease of the yield.the amount of N and P used and the output of winter wheat are in parabola relation.The use of certain amount of organic fertilizer and P had an obviously effect on the wheat yield.N use could not be too much.The appropriate use amount of organic fertilizer,urea and superphosphate was 600～750 kg/667 m2,9～12 kg/667 m2,and 20～42 kg/667 m2,respectively. |
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