Soil hydraulic properties of an Orthic Black Chernozem under long-term tillage and residue management

Singh, Balwant; Chanasyk, D. S.; McGill, W. B.

doi:10.4141/cjss96-010

Cited by 34 publications

(21 citation statements)

References 34 publications

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“…There was no significant effect of tillage, rotation or crop stubble on hydraulic conductivity in 1996. In contrast, earlier research on a Black Chernozem in Alberta showed higher water infiltration rate and cumulative infiltration under NT than CT (Singh et al 1996). The lack of difference in hydraulic conductivity between NT and CT could be due to the short duration of the rotations prior to sampling.…”

Section: Hydraulic Conductivitycontrasting

confidence: 62%

“…Shaver et al (2002) reported that NT cropping systems relative to those with tillage (e.g., wheat-cornfallow or wheat-sorghum-fallow) that retained more crop residue in the soil decreased bulk density, increased porosity and enhanced aggregation of the soil compared with wheat-fallow. Greater soil aggregation along with increased earthworm population and activity under NT, especially where crop residues are retained, may increase the number of macropores/biochannels and influence infiltration, runoff and internal drainage characteristics (Singh et al 1996).…”

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confidence: 99%

“…The effect of tillage and crop residue management on soil properties was observed in Black Chernozem soils in Saskatchewan and Alberta (Singh et al 1994(Singh et al , 1996Nyborg et al 1995;McConkey et al 2003), but information is lacking for the effects of different tillage systems and annual crop rotations on soil physical, chemical and biological properties. The objective of this study was to assess the effect of tillage relative to crop rotation in the short term, on residue cover, soil temperature, moisture, hydraulic conductivity and aggregate size distribution; and in the long-term for total organic C (TOC) and N (TON), and light fraction organic C (LFOC) and N (LFON) in a Black Chernozem.…”

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confidence: 99%

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Short-term and long-term effects of tillage and crop rotation on soil physical properties, organic C and N in a Black Chernozem in northeastern Saskatchewan

Malhi¹,

Moulin²,

Johnston³

et al. 2008

Can. J. Soil. Sci.

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. 2008. Short-term and long-term effects of tillage and crop rotation on soil physical properties, organic C and N in a Black Chernozem in northeastern Saskatchewan. Can. J. Soil Sci. 88: 273Á282. A field experiment was conducted for 8 yr (from 1994 to 2001) in a Black Chernozem (Udic Haploboroll) high in organic C (5.5%) at Melfort, Saskatchewan, Canada, to assess the environmental impact of tillage and crop rotation. Short-term effects on residue cover, soil temperature, moisture, aggregation, bulk density and hydraulic conductivity were measured, and long-term effects on total organic C (TOC) and N (TON), and light fraction organic C (LFOC) and N (LFON) were determined. There were two tillage systems [no tillage (NT) and conventional tillage (CT)] and three 4-yr annual crop rotations (canola-wheat-barley-barley, canola-barley-pea-wheat, and canola-pea-flax-barley). Straw was returned to soil every year in all treatments with the exception of flax residue. Soil samples were taken for analysis of organic C and N after the harvest of canola at the end of second 4-yr rotation cycle. Residue cover on soil was higher under NT than CT. Soil temperature was lower and soil moisture was higher in spring, under NT than CT. The proportion of fine aggregates (B1.3 mm) in soil was lower and that of medium (2.0Á12.7 mm) and large aggregates (12.7 mm) was generally higher under NT compared with CT. The mean weight diameter (MWD) of aggregates was also larger under NT compared with CT in most cases. The proportion of fine aggregates was higher after canola compared with pea in some cases, but the proportion of medium and large aggregates was higher after pea compared with canola, and in rotations with 50% than 75% broadleaf crops in 2 yr. Soil hydraulic conductivity and bulk density were lower under NT than CT in some instances. Compared with CT, NT had greater mass of TOC, TON, LFOC and LFON in soil. However, the differences were significant only for LFOC and LFON, indicating that light fraction organic C and N was more responsive to NT than CT compared with total organic C and N. In conclusion, the findings suggest that there is no interaction between tillage and rotation, and that light fraction C and N accumulate when tillage is eliminated despite high levels of soil organic C in the soil.Key words: Aggregation, bulk density, crop rotation, hydraulic conductivity, organic C and N, moisture, residue cover soil, temperature, tillage Malhi, S. S., Moulin, A. P., Johnston, A. M. et Kutcher, H. R. 2008. Incidence a`court et a`long terme du travail du sol et de l'assolement sur les proprie´te´s physiques du sol ainsi que sur la concentration de C et de N organiques dans un tchernoziom noir du nord-est de la Saskatchewan. Can. J. Soil Sci. 88: 273Á282. Les auteurs ont proce´de´a`une expe´rience de 8 ans (de 1994 a2 001) sur un tchernoziom noir (haploboroll udique) riche en carbone organique (5,5 %) a`Melfort, en Saskatchewan (Canada), afin d'e´valuer l'impact du travail du sol et de l'assolement sur l'environnement. Ils ont mesu...

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Section: Hydraulic Conductivitycontrasting

confidence: 62%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Short-term and long-term effects of tillage and crop rotation on soil physical properties, organic C and N in a Black Chernozem in northeastern Saskatchewan

Malhi¹,

Moulin²,

Johnston³

et al. 2008

Can. J. Soil. Sci.

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“…For this, the structural status of the soil is studied indirectly, using soil physical properties like bulk density, total soil porosity, pore-size distribution, water retention characteristics, soil hydraulic conductivity, penetration resistance etc. Tillage influences most of these properties (Singh et al, 1996(Singh et al, , 1998 and has, therefore, a major influence on the aeration characteristics and water balance of the soil. The influence of soil tillage on soil structure has a direct (through mechanical disturbance followed by consolidation) and an indirect (through its effect on biological activity) element (Farkas et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Seasonal changes of hydraulic properties of a Chromic Luvisol under different soil management

2006

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In the present work the effect of five tillage methods on the hydraulic properties and water regime of a brown forest soil was studied. In each treatment, measurements of bulk density and soil water retention characteristics were carried out 3 times (March, June and August) within the vegetation period. Near-saturated hydraulic conductivity and soil water content measurements were performed five and eight times, respectively. Statistically valuable differences were obtained between the soil properties, measured in different tillage treatments. The effect of the tillage treatments on the water retention curves was significant in the low suction range (pF < 2.0) only. Differences between the soil water retention curves, measured at the end of the vegetation period reflected the indirect effect of different tillage systems on soil hydraulic properties. The seasonal variability of both the soil hydraulic functions was proofed. Saturated hydraulic conductivity values, evaluated in the ploughing treatment at the beginning and end of the vegetation period differed up to 4-times. The near-saturated hydraulic conductivity values measured in March were nearly two times higher in all the treatments, except no till, than those, measured in August. The applied tillage systems did not influence the potential amount of water available for the plant; still, valuable differences between the soil water contents were measured. According to the soil hydraulic properties and measured soil water regime, ploughing and deep loosening created the most favourable soil conditions for the plants. The biological activity, however, was the highest in the no till treatment. Further studies on the application of the soil conserving tillage systems under Hungarian conditions are recommended.

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“…With increasing global pressure on sustainable agriculture and environmental quality, knowledge of soil infiltration rate and K sat becomes a prerequisite for efficient soil and water management. Several workers have studied tillage effects on soil hydraulic properties, particularly water transmission properties (Benjamin, 1993;Singh et al, 1995;Azooz and Arshad, 1996;Jabro et al, 2008). However, results obtained are not consistent across soils and climates.…”

Section: Introductionmentioning

confidence: 99%

Water transmission properties of a sandy loam soil under different tillage practices in Maiduguri, Nigeria.

Sauwa¹,

Chiroma²

2013

ABJNA

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Knowledge of water transmission properties of soils could play a significant role in the choice of appropriate water management practices capable of alleviating production constraints of predominantly coarse textured soils of semi arid environments. The effect of 3 tillage systems (no-till :NT, reduced-till: RT and conventional tillage: CT) on water transmission properties of a sandy loam soil in Maiduguri was investigated after 9-15 years of management. Within the growing season of 2010, saturated hydraulic conductivity (K sat ) was determined using undisturbed cores ( 10.8 cm in diameter and 12 cm in height) at surface (0-15 cm) and sub surface (15-30 cm) soil depths and infiltration rate determined using double ring infiltrometer method. The NT and RT treatments had higher K sat values at both surface and sub surface soil depths (though the differences were not significant at p ≤ 0.05) compared to the CT treatment. However, infiltration characteristics of the soil were significantly (p ≤ 0.05) greater for the NT and RT treatments relative to the CT treatment. The study revealed that, the NT and RT treatments better improved K sat and infiltration characteristics of the soil relative to the CT treatment, and are therefore better management practices for improving water transmission properties of coarse textured soils in semi arid north eastern Nigeria.

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Soil hydraulic properties of an Orthic Black Chernozem under long-term tillage and residue management

Cited by 34 publications

References 34 publications

Short-term and long-term effects of tillage and crop rotation on soil physical properties, organic C and N in a Black Chernozem in northeastern Saskatchewan

Short-term and long-term effects of tillage and crop rotation on soil physical properties, organic C and N in a Black Chernozem in northeastern Saskatchewan

Seasonal changes of hydraulic properties of a Chromic Luvisol under different soil management

Water transmission properties of a sandy loam soil under different tillage practices in Maiduguri, Nigeria.

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