Effects of tillage on soil physical properties and root growth of maize in loam and clay in central China

Ji, Baoyi; Zhao, Yali; Mu, Xingmin; Liu, K.; Li, C.

doi:10.17221/57/2013-pse

Cited by 58 publications

(35 citation statements)

References 18 publications

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“…According to these authors, the root length density of corn plants grown in soil under NT were 4.2; 1.8 and 1.8 cm root per soil cubic cm, respectively in the 0-0.05 m; 0.10-0.15 m; and 0.25-0.35 m layers. However, our results were higher than those observed to Foloni et al (2003) and Ji et al (2013).…”

Section: Development Of Corn Plantscontrasting

confidence: 86%

Mitigation of clayey soil compaction managed under no-tillage

Nunes

Denardin

Pauletto

et al. 2015

Soil and Tillage Research

108

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Soil physical properties Development of corn plants Fixed shank openers A B S T R A C TSoil compaction has always been a problem to the agricultural productivity, mainly in clayey soils under the no-tillage (NT). Alternatives to mitigate this problem are necessary. The aim of this study was to evaluate the effect of seeder equipped with fixed shanks openers, working at three depths, in a Ferralic Nitisol (Rhodic), under NT on the mitigation of soil compaction and corn (Zea mays L.) plant development. The test comprised three treatments regarding the depth at which the shank openers of a seeder used to sow corn worked: openers reaching up to 0.05 m; openers reaching up to 0.07 m; and openers reaching up to 0.17 m. The effect of these treatments was evaluated in relation to the determination of soil physical parameters, and corn plant parameters. The use of a seeder equipped with fixed shanks openers up to 0.17 m depth caused an increase in soil macroporosity and total porosity, and a decrease in soil bulk density, soil resistance to penetration and degree of compactness in the layer between 0.07 and 0.17 m. The improved physical conditions of the soil in this layer led to a further development of the root system of plants in greater depth, and consequently to a better development of corn plants with higher stalk diameter, root density and root length. The use of a seeder equipped with fixed shanks openers working up to 0.17 m depth, therefore, promoted physical improvement to the soil, favoring the development of corn plants, and presenting potential to mitigate the compaction of clayey soils under NT.

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Section: Development Of Corn Plantscontrasting

confidence: 86%

Mitigation of clayey soil compaction managed under no-tillage

Nunes

Denardin

Pauletto

et al. 2015

Soil and Tillage Research

108

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“…While DD practice was the practice which caused the most soil compaction, C+D+RT+DSM and P+RT+DSM practices were the ones that caused the least soil compaction. Ji et al (2013) examined the effects of deep and traditional tillage on physical soil properties and the root development of corn in two different areas having clayey and silty texture during the years 2010-2011. They reported that soil penetration resistance, bulk density, water content, and root length density showed statistically significant differences in terms of tillage, soil depth, and years, whereas deep soil tillage decreased penetration resistance and bulk density values.…”

Section: Assessment Of Soil Quality Indicatorsmentioning

confidence: 99%

Affects of different tillage managements on soil physical quality in a clayey soil

Sağlam

Selvi

Dengi̇z

et al. 2014

Environ Monit Assess

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This study, conducted in 2011, researches the effects of different tillage practices on the physical soil quality of clayey soil. This soil quality index (SQI) assessment was made by studying the changes in physical soil functions such as suitability for root development, facilitation for water entry, movement and storage, and resistance against surface degradation based on tillage management. When compared with the control parcel, statistically significant decreases were seen in the SQI with different tillage practices (p < 0.05). Among the tillage practices, the highest SQI was seen with the plow + rotary tiller + direct seeding machine, while the lowest SQI was seen with the direct drilling practice. On the other hand, the statistically insignificant effects of tillage practices on the soil quality of the study area were considered to be a result of either the study period or the joint effect of soil texture and climatic features. Thus, long-term tillage practices were recommended in order to get healthier information about soil quality by considering soil and climatic conditions. In addition, for heavy clayey soils, reduced tillage practices, which included plowing, were thought to develop physical soil qualities of root development and water movement.

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“…We expect, therefore, that our results are also valid for mechanical deep tillage, especially since our results are in agreement with [20], which reported lower bulk density with deep tillage treatments and higher bulk density with NT. Other studies [21] also reported that deep tillage resulted in lower bulk density and penetration resistance than conventional tillage. Similarly, [22] found that the application of deep tillage down to a 90 cm depth in soils with a fragipan resulted in a significant reduction in bulk density and penetration resistance.…”

Section: Effect Of Deep Tillage On Soil Erosion and Runoffmentioning

confidence: 86%

Deep Tillage Improves Degraded Soils in the (Sub) Humid Ethiopian Highlands

Hussein

Muche

Schmitter

et al. 2019

Land

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Intensification of rainfed agriculture in the Ethiopian highlands has resulted in soil degradation and hardpan formation, which has reduced rooting depth, decreased deep percolation, and increased direct runoff and sediment transport. The main objective of this study was to assess the potential impact of subsoiling on surface runoff, sediment loss, soil water content, infiltration rate, and maize yield. Three tillage treatments were replicated at five locations: (i) no tillage (zero tillage), (ii) conventional tillage (ox-driven Maresha plow, up to a depth of 15 cm), and (iii) manual deep ripping of the soil's restrictive layers down to a depth of 60 cm (deep till). Results show that the posttreatment bulk density and penetration resistance of deep tillage was significantly less than in the traditional tillage and zero-tillage systems. In addition, the posttreatment infiltration rate for deep tillage was significantly greater, which resulted in significantly smaller runoff and sedimentation rates compared to conventional tillage and zero tillage. Maize yields were improved by 6% under deep tillage compared to conventional tillage and by 29% compared to no tillage. Overall, our findings show that deep tillage can be effective in overcoming some of the detrimental effects of hardpans in degraded soils.

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Effects of tillage on soil physical properties and root growth of maize in loam and clay in central China

Cited by 58 publications

References 18 publications

Mitigation of clayey soil compaction managed under no-tillage

Mitigation of clayey soil compaction managed under no-tillage

Affects of different tillage managements on soil physical quality in a clayey soil

Deep Tillage Improves Degraded Soils in the (Sub) Humid Ethiopian Highlands

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