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Figure 2. Sampling of the study and quantitative (soil and water salinity and soil nutrient contents: nitrogen, phosphorus, and potassium) and qualitative (FGD: focus group discussion, KII: key informant interview) data collection and processing steps. Household (HH) survey was conducted to observe the homestead agriculture and water management practices (e.g., rainwater harvesting, rain-fed pond, and pond sand filter).
