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当前位置: 首页 > 文章 > 玉米氮素吸收分配规律对不同种植模式的响应 山东农业科学 2018 (4) 59-63
Position: Home > Articles > Response of Nitrogen Absorption and Distribution Regularities in Maize to Different Planting Patterns Shandong Agricultural Sciences 2018 (4) 59-63

玉米氮素吸收分配规律对不同种植模式的响应

作  者：
孟维伟;南镇武;高华鑫;徐杰;白雪;刘灵艳;张正
单  位：
青岛农业大学资源与环境学院;山东省农业科学院作物研究所/山东省作物遗传改良与生态生理重点实验室/小麦玉米国家工程实验室;山东省农业科学院/山东省作物遗传改良与生态生理重点实验室
关键词：
玉米花生间作;干物质积累;籽粒产量;氮素利用
摘  要：
为进一步明确玉米花生宽幅间作稳粮增油模式下玉米的氮素吸收分配规律及其与单作的差异。本试验在玉米单作、玉米花生行比2∶4间作种植模式下,均设置施氮、不施氮两个处理,研究不同种植模式下玉米干物质积累、氮素积累和分配及其对产量和氮素利用效率的影响。试验结果表明,间作模式下可以显著提高净面积干物质积累量、籽粒产量以及氮肥利用效率;施氮处理增加了不同种植模式下玉米干物质积累及氮素积累,进而有效提高了氮素收获指数。在本试验条件下,玉米花生行比2∶4且玉米施纯氮300 kg/hm2是间作玉米获得高产高效的适宜栽培方式。
译  名：
Response of Nitrogen Absorption and Distribution Regularities in Maize to Different Planting Patterns
作  者：
Meng Weiwei;Nan Zhenwu;Gao Huaxin;Xu Jie;Bai Xue;Liu Lingyan;Zhang Zheng;Crop Research Institute,Shandong Academy of Agricultural Sciences/Shandong Provincial Key Laboratory of Crop Genetic Improvement and Ecological Physiology/National Engineering Laboratory for Wheat and Maize;College of Resources and Environment,Qingdao Agricultural University;Shandong Academy of Agricultural Sciences/Shandong Provincial Key Laboratory of Crop Genetic Improvement and Ecological Physiology;
关键词：
Maize-peanut intercropping;;Dry matter accumulation;;Grain yield;;Nitrogen utilization
摘  要：
The experiment was conducted under two planting patterns as maize monoculture and maize-peanut intercropping with row ration of 2∶4 to further clarify the differences of nitrogen absorption and distribution regularities. Two treatments were set with nitrogen and no nitrogen application to study the dry matter accumulation,nitrogen accumulation and distribution and their effects on yield and nitrogen use efficiency in maize under the two planting patterns. The results showed that the dry matter accumulation,grain yield and nitrogen use efficiency could be significantly improved under the intercropping pattern. The application of nitrogen fertilizer increased the dry matter accumulation and nitrogen accumulation under different planting patterns,and further effectively increased the nitrogen harvest index. In these experiment conditions,applying 300 kg/hm2 nitrogen in the intercropping pattern was suitable for achieving high yield and high benefit of maize.

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