International Journal of Agriculture and Food Science · 2026
Assessing the role of cover crops in enhancing soil carbon sequestration: Experimental evidence from umariyapan block, Dheemarkheda District, Katni, Madhya Pradesh
Dwivedi, A.
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Assessing the role of cover crops in enhancing soil carbon s…
Abstract
No abstract in the library.
Findings
What changed what, as the paper reports it. Grouped by the measured property. The largest groups are open; open the others as you need them.
soil organic carbon
↑ 11
- increase
cowpea and mustard cover crops, agreeing variants vs. Fallow (control)significant · 0–15 cm · postharvest, single season (calendar year unstated) · Umariyapan block, Dheemarkheda district, Katni · 0–15 cm; cowpea and mustard each compared with fallow, agreeing individual Tukey.05 contrasts; SOC concentration, not stock.
Numbers
- treatment 0.41 vs. control 0.33 % (+24.24 %) · cowpea
- treatment 0.37 vs. control 0.33 % (+12.12 %) · mustard
Source · p. 3 “This study showed that including cover crops significantly increased SOC compared with the fallow control.”
Source · p. 3 “Tukey's post hoc test revealed that cowpea (T ) 2 differed significantly from fallow (T 1) across all parameters, while mustard (T 3) showed intermediate values, significantly higher than fallow but lower than cowpea.”
soil moisture content
↑ 11
- increase
cowpea and mustard cover crops, agreeing variants vs. Fallow (control)significant · 0–15 cm · after cover crop harvest, single season · Umariyapan block, Dheemarkheda district, Katni · 0–15 cm; cowpea and mustard each versus fallow, individually agreeing Tukey contrasts; moisture-content basis unspecified.
Numbers
- treatment 15.8 vs. control 12.4 % (+27.42 %) · cowpea
- treatment 14.2 vs. control 12.4 % (+14.52 %) · mustard
Source · p. 2 “Cover crops improved soil moisture retention compared to”
Source · p. 3 “Tukey's post hoc test revealed that cowpea (T ) 2 differed significantly from fallow (T 1) across all parameters, while mustard (T 3) showed intermediate values, significantly higher than fallow but lower than cowpea.”
bulk density
↓ 11
- decrease
cowpea and mustard cover crops, agreeing variants vs. Fallow (control)significant · 0–15 cm · after cover crop harvest, single season · Umariyapan block, Dheemarkheda district, Katni · Tukey difference reported for cowpea vs fallow; the mustard sentence in the text is ambiguous (Table 2 omnibus P<.05 only)
Numbers
- treatment 1.46 vs. control 1.52 g/cm³ (-3.947 %) · cowpea
- treatment 1.48 vs. control 1.52 g/cm³ (-2.632 %) · mustard
Source · p. 3 “Improved soil moisture and reduced bulk density observed”
Source · p. 2 “decreased slightly in cover-cropped plots, indicating better fallow plots.”
Source · p. 3 “Tukey's post hoc test revealed that cowpea (T ) 2 differed significantly from fallow (T 1) across all parameters, while mustard (T 3) showed intermediate values, significantly higher than fallow but lower than cowpea.”
microbial biomass carbon
↑ 11
- increase
cowpea and mustard cover crops, agreeing variants vs. Fallow (control)significant · 0–15 cm · after cover crop harvest, single season · Umariyapan block, Dheemarkheda district, Katni · 0–15 cm; both species individually compared with fallow, Tukey.05; no pooled inferential contrast.
Numbers
- treatment 210 vs. control 145 mg/kg (+44.83 %) · cowpea
- treatment 185 vs. control 145 mg/kg (+27.59 %) · mustard
Source · p. 3 “Higher MBC under cowpea and mustard treatments indicates that cover crops stimulate microbial activity”
Source · p. 3 “Tukey's post hoc test revealed that cowpea (T ) 2 differed significantly from fallow (T 1) across all parameters, while mustard (T 3) showed intermediate values, significantly higher than fallow but lower than cowpea.”
Set-up
Treatments
- cover crops
- cowpea and mustard cover crops, agreeing variantsCover cropsFallow (control)No cover crop
Measured
- soil organic carbon
- Unit
- %
- Method
- Walkley-Black wet oxidation
- soil moisture contentWater content
- Unit
- %
- bulk density
- Unit
- g/cm³
- microbial biomass carbon
- Unit
- mg/kg
Sites
Umariyapan block, Dheemarkheda district, Katni
- Location
- Umariyapan block, Dheemarkheda district, Katni, Madhya Pradesh, India23.80° N, 80.40° E
- Climate
- 26 °C mean annual temperature1,100 mm annual precipitation
- Land use
- field experimentArable land
| Depth | Texture | Clay | pH | Organic C | Bulk density |
|---|---|---|---|---|---|
| 0–15 cm | sandy loam | – | – | 0.31–0.32 % | – |
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