Soil moisture under no-tillage and tillage systems in maize long-term experiment

Q3 Earth and Planetary Sciences

Polish Journal of Soil Science Pub Date : 2018-04-24 DOI:10.17951/PJSS.2018.51.1.103

A. Król, Tomasz Żyłowski, J. Kozyra, J. Księżak

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引用次数: 2

Abstract

The aim of the study was to evaluate the impact of conventional till (CT) and no-till (NT) cultivation systems in long term experiment with maize on soil water dynamics using continuous soil moisture (SM) measurements in the 2014, 2015, 2016 vegetation seasons. The ability of HERMES model to simulate SM was also evaluated in Polish conditions. The long term experiment with maize is located in the Grabow Experimental Farm of Institute of Soil Science and Plant Cultivation – State Research Institute in Masovian Voivodeship – Central Poland (51˚21´18´´N, 21˚40´09´´E). The HERMES model was calibrated by modification of temperature sums in crop parameters file and capacity parameters (field capacity and wilting point) of the experimental site. The results show that NT system has a positive impact on soil water content. However, this improvement is dependent on a year, phenological phase and soil layer. The results showed also that calibrated (until now) model HERMES is able to simulate SM in a wet year. For simulation of SM in a dry year there is still need for future improvement of calibration parameters.

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玉米免耕和耕作制度下的土壤水分长期试验

本研究的目的是利用2014年、2015年和2016年植被季节的连续土壤水分（SM）测量，评估玉米长期试验中传统免耕（CT）和免耕（NT）栽培系统对土壤水分动态的影响。HERMES模型模拟SM的能力也在波兰条件下进行了评估。玉米长期试验位于波兰中部马索维安省国家研究院土壤科学与植物栽培研究所Grabow试验场（51˚21´18´´N，21˚40´09´E）。HERMES模型是通过修改作物参数文件中的温度和和实验场地的容量参数（田间容量和枯萎点）来校准的。结果表明，NT体系对土壤含水量有积极影响。然而，这种改善取决于一年、酚期和土层。结果还表明，校准的（到目前为止）模型HERMES能够模拟潮湿年份的SM。对于干旱年份的SM模拟，未来仍需要改进校准参数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polish Journal of Soil Science Earth and Planetary Sciences-Earth-Surface Processes

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： The Journal focuses mainly on all issues of soil sciences, agricultural chemistry, soil technology and protection and soil environmental functions. Papers concerning various aspects of functioning of the environment (including geochemistry, geomophology, geoecology etc.) as well as new techniques of surveing, especially remote sensing, are also published.