Kedah's Muda Agricultural Development Authority (MADA) is the centre for Malaysia's rice production and is now under immense stress due to water scarcity, climate variability and livelihoods of smallholder farmers. There are three water-saving irrigation techniques that could be used to help with this problem; AWD (Alternate Wetting and Drying), SRI (System of Rice Intensification) and precision irrigation. These irrigation methods have been shown to be effective, however the adoption has been low and it is not clear what are the socio-economic and institutional barriers to adoption or how policy and governance are affecting the use of these irrigation techniques in Kedah and other similar rice-producing systems in Asia.This study uses a systematic review to synthesize data from 85 studies published in 2015-2025 (see appendix for details) using a PRISMA 2020 protocol to evaluate the impacts of AWD and SRI and to understand the barriers to adopting AWD and SRI as well as the governance structures affecting their implementation in Malaysia. The review found that both AWD and SRI can significantly reduce irrigation water use and maintain or increase crop yields; they also provide additional environmental benefits including reduced methane emissions and improved soil health. Data from local MADA pilot programs indicate that these results can be replicated in the climate and conditions of Kedah, however the rates of adoption remain very low, which is consistent with an "effectiveness - adoption" paradox caused by a number of factors including but not limited to: lack of access to capital; inadequate extension services; risk aversion among farmers; and the aging population of farmers, gender inequity, and division of responsibilities within government institutions, none of which are directly related to the technology itself.Technical viability and local relevance of water-saving irrigation strategies have been demonstrated in the review; however, their successful adoption by farmers at a large scale is contingent on a combination of coordinated, systemic policy actions. To this end, integrated initiatives that enhance the capacity of extension services, reduce economic risks associated with irrigated agriculture for both male and female farmers, and provide alignment of governance among agencies will be necessary to realize the technical potential for sustained use of these technologies among farmers. These types of reforms are essential for improving water security, climate resilience, and livelihoods for small-scale farmers in Kedah and other similarly dependent rice producing areas.