Abstract
Soil quality protection under intensive land use and fast economic development has become a major challenge for sustainable resource use in the developing countries such as Nigeria. Conventional tillage practice is commonly practiced at land preparation and effect of this on soil quality for sustainable productivity was investigated in this study, in comparison with No Till, Conservation tillage, and split old ridge practices in combination with four nitrogen and three phosphorus fertilizer rates. Sorghum was the test crop. Results show that the soils were initially acid (pH 5.0 to 6.0), had low organic carbon (2.3 to 2.5gkg -1 ), total nitrogen (0.05gkg -1 ) and low to moderate available phosphorus (6.7 to 8.5mgkg -1 ) and needed restoration to support sustainable agricultural production. Tillage, sorghum/ Desmodium and N and P fertilizer managements imposed showed that No Till practice (SDNT) sequestered significantly (P<0.05) higher organic carbon value (6.9 gkg -1 ), followed by Conservation tillage with incorporated and relayed D. Uncinatum
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Claims 2
Claim · model-written summary
Initial experimental soils were acidic.
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soils were initially acid (pH 5.0 to 6.0)”
e1“Sorghum was the test crop”
Claim · model-written summary
No Till practice sequestered significantly more soil organic carbon.
- Treatment
- No Till practice (SDNT)e0
- Outcome
- organic carbon valuee0
- Direction
- highere0
- Value
- 6.9 gkg -1e0
- Comparator
- Conservation tillagee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No Till practice (SDNT) sequestered significantly (P<0.05) higher organic carbon value (6.9 gkg -1 )”
e1“Sorghum was the test crop”
e2“in comparison with No Till, Conservation tillage, and split old ridge practices”
The same questions in other papers
tillage · soil: chemistry · SorghumPositive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.