This study analyses the factors that influence the choice of saltwater intrusion adaptation methods of farmers living in Thua Thien Hue Province using a multinomial choice model fitted to data from a cross-sectional survey of 390 farmers. The results reveal that family size decreases the likelihood of applying new varieties of rice but increase the probability of applying lotus-fish production. The level of education of the household’s head negatively impacts the probability to switch to new varieties of rice and shrimp production but positively affects the odds of implementing lotus- fish production. The older, more experienced farmers are more likely to cultivate new varieties of rice. The higher the percentage of salted land and the less serious the saltwater intrusion level, the higher the probability of switching to shrimp or lotus-fish production. Institutional environment also positively impacts on farmer’s choice of adaptation. From a policy perspective, we recommend the government develop official media channels, organize more training courses for farmers, support the activities of the Woman Union and relax constraints on accessing public credit.
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