Liming remediates soil acidity and improves crop yield and profitability - a meta-analysis

Soil acidity reduces base cations required for plant growth and may result in phytotoxic concentrations of soluble aluminum. Liming acidic soils is generally promoted as an effective management practice to increase soil pH, cation concentrations, ameliorate toxicity caused by aluminum manganese. Through a global literature review using data published from field experiments on liming, the objective this paper understand effects liming crop yields, economic profitability. The results show that positively influenced yields implying various lime sources can pH productivity. effect sizes when was incorporated into were higher than surface application irrespective tillage practice. under no-tillage (NT) compared conventional (CT) showed yields. increased fertilized with unfertilized trials. Gypsum, calcium hydroxide carbonate Cement Klin Dust (CKD), dolomite wood ash. all crops except potatoes oats. increases changes rates yield proportional magnitude pH. profitability differed type rate, being more profitable at lower rates. Overall, meta-analysis shows decreases improves Attaining maximum gains agricultural conditions requires understanding appropriate specific types ensure overall producers sustainable improvement health.