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优化的应用位置,改变土壤中的根分布,调节玉米的生长和产量形成,在宽窄排列作物系统中:盆栽和田间实验

Shiyong Zhou¹, Pan Xia¹, Junping Chen¹

¹Faculty of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming, Yunnan, China.

Frontiers in plant science

|February 8, 2024

概括

与窄行应用 (RC) 相比,在宽行 (RN) 中应用的宽窄行玉米提高了产量和使用效率. 这种施肥方法是提高玉米生产率的关键.

科学领域:

农业科学农业科学
农业学是一种农业学.
土壤科学土壤科学

背景情况:

广泛和狭窄的玉米种植增强了土壤保护和田间种群结构.
应用定位对这个系统中的根相互作用的影响仍然不清楚.

研究的目的:

研究的应用位置 (狭窄排与宽排) 和水平 (高排与低排) 对玉米根生长和产量的影响.
确定宽窄行玉米系统的最佳化肥施肥策略.

主要方法:

利用盆栽和田间实验来评估根生物质,长度和表面积.
评估产量,农学效率 (AEN) 和的部分因子生产率 (PFPN).
采用主要组件分析和相关性分析来确定影响收益率和AEN的关键因素.

主要成果:

窄行应用 (RC) 增强了竞争的根生物质,长度和在开花时的表面积.
在高条件下,宽排应用 (RN) 增加了产量和使用效率.
竞争的根被确定为产量和AEN的主要驱动因素.

结论:

宽排应用 (RN) 是提高玉米整体生产力的有益策略.
优化的放置对于最大限度地提高产量和使用效率在宽窄排列系统中至关重要.
需要进一步研究根系协调和的空间异质性.

关键词:

食行为食行为玉米玉米玉米是一种这种气是酸.广泛和狭窄的作物系统.收益率收益率收益率收益率

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