施钾对不同小麦品种氮素、磷素吸收利用的影响 |
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引用本文: | 李见云,介晓磊,谭金芳,王新民,侯彦林. 施钾对不同小麦品种氮素、磷素吸收利用的影响[J]. 土壤通报, 2004, 35(2): 191-194 |
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作者姓名: | 李见云 介晓磊 谭金芳 王新民 侯彦林 |
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作者单位: | 1. 中国科学院生态环境研究中心,北京,100085 2. 河南农业大学,河南,郑州,450002 |
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基金项目: | "九五"国家科技攻关项目(95-001-01-03) |
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摘 要: | 盆栽条件下,研究了黄淮麦区当年广泛种植的28个小麦品种在2个供K水平下N、P吸收利用差异。研究结果表明,高K与低K条件下,不同小麦品种N、P吸收利用能力差异都很大,小麦品种间N、P积累量与干物质积累量呈极显著正相关;相关分析表明,无论是低K还是高K下,不同小麦品种K积累量、K利用效率与N积累量、N利用效率及P积累量、P利用效率都存在极显著的正相关,这就显示出K高效小麦品种同时也是N高效、P高效小麦品种。
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关 键 词: | 小麦 品种 K N积累量 P积累量 N利用效率 P利用效率 |
文章编号: | 0564-3945(2004)02-0191-04 |
修稿时间: | 2003-01-18 |
Effect of Potassium on Nitrogen and Phosphorus Utilization by Wheat Different Varieties |
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Abstract: | We studied nitrogen and phosphate absorption and utilization under two potassium levels by pot culture. Results showed that there were great differences in nitrogen and, phosphate use ability among wheat varieties.The N and P accumulation amounts were positively correlated with dry matter accumulation,and the correlation analysis also showed that high potassium wheat varieties are also high nitrogen and high phosphate wheat varieties. |
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Keywords: | Wheat variety Potassium N accumulation P accumulation N use efficiency P use efficiency |
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