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使用APSIM-小麦在保护农业下建模作物生长和土壤热水系统

Brijesh Yadav^1,2, Prameela Krishnan³, C M Parihar⁴

¹Division of Agricultural Physics, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India.

Scientific reports

|October 17, 2025

概括

零耕作 (ZT+R) 的残留保留比传统耕作 (CT+R) 更好地保护土壤水,而CT+R导致土壤温度更高. APSIM模型准确地模拟了这些保护农业对小麦作物的影响.

科学领域:

农业科学农业科学
土壤科学土壤科学
农业学是一种农业学.

背景情况:

越来越多地采用残留物保留方法,需要了解其对土壤水和作物生长过程中的温度的影响.
保护农业实践,包括耕作和废物管理,显著影响土壤水文和热法.

研究的目的:

用APSIM模型模拟保护农业对小麦作物的土壤水位和热状态的影响.
评估零耕作与残留保留 (ZT+R) 与传统耕作与残留结合 (CT+R) 对小麦生长的影响.

主要方法:

这是一种双重方法,结合了长期实地实验和APSIM (农业生产系统模拟器) 模型.
分拆地块设计,有两种耕作方法 (ZT+R和CT+R) 和三种复制.
模型校准和验证使用两个连续作物季节 (2018-19年和2019-20年) 的测量数据.

主要成果:

APSIM模型准确地模拟了作物现象学,生物质和产量,并且对土壤温度和水含量有很好的协议.
与传统耕作 (CT+R) 相比,零耕作与残留保留 (ZT+R) 导致模拟的土壤含水量更高.
与ZT+R相比,传统的用残留物添加耕作 (CT+R) 显示了较高的土壤温度,特别是在上层土壤层.

结论:

在零耕作下保留残留物有效地调节了土壤的含水量,而传统的耕作则影响了土壤温度动态.
APSIM模型是一种可靠的工具,用于模拟不同耕作和残渣管理实践对土壤,水和热系统的影响.
研究结果强调了残留物管理在保护农业中的重要性,以优化土壤条件和作物生产.

关键词:

在APSIM中,您可以使用APSIM.残留物保留残留物保留土壤温度土壤温度.土壤水水土壤水水小麦小麦小麦小麦的小麦.

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