| 叶面喷施磷酸二氢钾和锌锰对旱地冬小麦的效应 |
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| 作者姓名： | 郑险峰 张英利 王春阳 拓秀丽 周建斌 |
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| 作者单位： | 西北农林科技大学资源环境学院 |
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| 基金项目： | 国家高技术研究发展计划(863计划)，国家自然科学基金，西北农林科技大学校科研和教改项目 |
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| 摘 要： | 旱地冬小麦田间试验叶面喷施肥料,结果表明:冬小麦拔节-孕穗期叶面喷施硫酸锌、硫酸锰,或灌浆期喷施磷酸二氢钾均能取得较好效果.叶面喷施磷酸二氢钾能提高千粒重,覆膜N120kg/hm2处理、N240kg/hm2处理小麦千粒重分别较其相同氮水平下常规对照提高3.4g和4.3g;提高幅度分别为7.9%和10.4%;但喷施KH2PO4不影响籽粒蛋白质含量.拔节孕穗期叶面喷施锌、锰,具有显著增产效果,较清水对照增产18.4%.
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| 关 键 词： | 叶面营养 磷酸二氢钾 锌 锰 冬小麦 |
Effects of Foliar Nutrition of KH2PO4, Zn and Mn for Winter Wheat on Dry Land |
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| Authors: | Zheng Xianfeng Zhang Yingli Wang Chunyang Tuo Xiuli Zhou Jianbin |
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| Abstract: | Better effects can be made by foliage spraying micro-nutrient(Zn Mn) from jointing stage to booting stage or KH2PO4 at filling stage.Foliage spraying micro-nutrient(Zn Mn) from jointing to booting stage increase the production of winter wheat remarkable, relatively higher 18.4% than CK.The thousand grain weight can be raised after foliage spraying at booting stage, but the grain protein content of winter wheat couldn''t influenced by spraying KH2PO4. |
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| Keywords: | Foliar nutrition KH2PO4 Zn Mn Winter wheat |
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