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The impacts of climate change on soil water content and the resultant effects on agricultural productivity have raised a lot of concerns among cocoa farmers. This has rendered cocoa production a risky business. This makes soil water conservation practices crucial in cocoa production. Nonetheless, its adoption as a means to mitigate the adverse corollaries of climate change might be low in developing countries like Ghana. Our study focuses on soil water conservation practices carried out by cocoa farmers in Ghana to cope with climate change, its impact on productivity, and the determinants. We compiled primary data from 400 cocoa farmers. Due to potential inter-causal relationship between soil water conservation and productivity, we applied the three-stage least-squares and two-step Tobit with endogenous regressors. The study found that 97% of cocoa farmers carry out soil water conservation practices as a coping strategy for climate change. These are application of organic fertilizers, mulching, planting of leguminous crops, retention of trees, and planting of shade trees. On average, cocoa farmers carry out two of these practices. The study revealed that cocoa productivity is directly associated with soil water conservation practices. Additionally, the number of soil water conservation practices carried out by cocoa farmers increases with farm size, leasehold/individual land ownership, age of cocoa farm, income, farm management training, and government support. Also, cocoa productivity increases with income, association membership, farm management training, access to agricultural information, and soil fertility, but reduces with farm size. We delved deeper into the various soil water conservation practices adopted by cocoa farmers in Ghana to minimize the negative repercussions of climate change. The findings are relevant in understanding how cocoa farmers conserve soil moisture under the current climate dispensation as well as the inter-causal synergy between soil water conservation and cocoa productivity. We provide recommendations for policy- and decision-makers on soil water conservation practices to enhance productivity in the cocoa sector. These include organization of farm management training programmes by government, non-governmental organizations, and other stakeholders for cocoa farmers. Also, there is the need to support cocoa farmers with input subsidies and climate change information. [Display omitted] • Impacts of climate change on soil water make soil water conservation practices crucial in cocoa production. • We assessed the nexus between soil water conservation practices and climate change mitigation and impact on productivity. • The three-stage least-squares and two-step Tobit with endogenous regressors were used for the study. • Inter-causal synergy exist between soil water conservation and cocoa productivity. • Cocoa farmers adopt soil water conservation practices to mitigate climate change. [ABSTRACT FROM AUTHOR]