Abstract
Abstract Soil acidity is one of the major yield constraints to crop production in various parts of the world. Quantifying optimum soil acidity indices is an important strategy for achieving maximum economic crop yields on acid soils. Five field experiments were conducted for three consecutive years using dry bean as a test crop on an Oxisol. The lime rates used were 0, 12, and 24 Mg ha−1 for creating a wide range of soil acidity indices in a no‐tillage cropping system. Grain yield of dry bean was significantly increased by improving soil pH, base saturation, calcium (Ca), magnesium (Mg), and potassium (K) saturation and reducing aluminum (Al) saturation. These soil acidity indices were higher in the 0‐ to 10‐cm soil layer than the 10‐ to 20‐cm soil layer for maximum grain yield. Across two soil depths, optimum values for maximum bean yield were pH 6.5, base saturation 67%, Ca saturation 48%, and Mg saturation 19%. Bean yield linearly increased with increasing K saturation in the range of 1.5 to 3% across two soil depths. There was a significant linear decrease in grain yield with increasing Al saturation in the range of 0 to 8% across two soil depths. Optimal values of soil indices for maximum bean yield can be used as a reference for liming and improving yield of bean crop on Oxisols in a no‐tillage cropping system. Yield components, such as pod number, grain per pod, and 100‐grain weight were significantly improved with liming, and bean yield was significantly associated with these yield components.
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Claims 12
Claim · model-written summary
Improved soil pH, base saturation, calcium, magnesium and potassium saturation increased dry bean grain yield significantly.
Verbatim
e0“Grain yield of dry bean was significantly increased by improving soil pH, base saturation, calcium (Ca), magnesium (Mg), and potassium (K) saturation and reducing aluminum (Al) saturation.”
Claim · model-written summary
Reduced aluminum saturation increased dry bean yield significantly.
Verbatim
e0“Grain yield of dry bean was significantly increased by improving soil pH, base saturation, calcium (Ca), magnesium (Mg), and potassium (K) saturation and reducing aluminum (Al) saturation.”
Claim · model-written summary
Optimum soil acidity indices for maximum yield were higher at 0–10 cm than 10–20 cm.
Verbatim
e0“These soil acidity indices were higher in the 0‐ to 10‐cm soil layer than the 10‐ to 20‐cm soil layer for maximum grain yield.”
t0“Dry Bean”
Claim · model-written summary
The optimum pH for maximum bean yield was 6.5.
Verbatim
e0“Across two soil depths, optimum values for maximum bean yield were pH 6.5, base saturation 67%, Ca saturation 48%, and Mg saturation 19%.”
Claim · model-written summary
The optimum base saturation for maximum bean yield was 67%.
Verbatim
e0“Across two soil depths, optimum values for maximum bean yield were pH 6.5, base saturation 67%, Ca saturation 48%, and Mg saturation 19%.”
Claim · model-written summary
The optimum calcium saturation for maximum bean yield was 48%.
Verbatim
e0“Across two soil depths, optimum values for maximum bean yield were pH 6.5, base saturation 67%, Ca saturation 48%, and Mg saturation 19%.”
Claim · model-written summary
The optimum magnesium saturation for maximum bean yield was 19%.
Verbatim
e0“Across two soil depths, optimum values for maximum bean yield were pH 6.5, base saturation 67%, Ca saturation 48%, and Mg saturation 19%.”
Claim · model-written summary
Bean yield rose linearly with potassium saturation from 1.5 to 3%.
Verbatim
e0“Bean yield linearly increased with increasing K saturation in the range of 1.5 to 3% across two soil depths.”
Claim · model-written summary
Grain yield declined significantly with aluminum saturation from 0 to 8%.
Verbatim
e0“There was a significant linear decrease in grain yield with increasing Al saturation in the range of 0 to 8% across two soil depths.”
t0“Dry Bean”
Claim · model-written summary
Liming significantly improved pod number, grains per pod and 100-grain weight.
- Taxon
- Dry Beant0
- Treatment
- liminge0
- Outcome
- pod number, grain per pod, and 100‐grain weighte0
- Direction
- improvede0
Not reportedComparator
Verbatim
e0“Yield components, such as pod number, grain per pod, and 100‐grain weight were significantly improved with liming”
t0“Dry Bean”
Claim · model-written summary
Bean yield was significantly associated with yield components.
Not reportedMaterialGeneCompoundOrgan / stageInteractorTreatmentComparatorSettingDirection
Verbatim
e0“bean yield was significantly associated with these yield components.”
Claim · model-written summary
The optimum soil indices can guide liming to improve bean yield on no tillage Oxisols.
Verbatim
e0“Optimal values of soil indices for maximum bean yield can be used as a reference for liming and improving yield of bean crop on Oxisols in a no‐tillage cropping system.”
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lime · yield · Phaseolus vulgaris (common bean)Results agree
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