I read many papers on the use of titration methods for determining lime rate. But there is no consistency on which soil: water ratio or soil to 0.01 M CaCl2 ratio is reliable for determining lime requirement. Some studies used 1:1 or 1:2 soil to water and soil to CaCl2 solution ratio (e.g. 20 g soil into 20 mL of 0.01 M CaCl2 solution). Other studies used 1:5 soil to water or 1:5 soil to CaCl2ratio (e.g. 4 g soil into 20 mL of 0.01 M CaCl2 solution).
Which soil to liquid ratio is recommended for lime estimation?
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