Water Purification - methods, Sodium Chloride - analysis, Sodium Chloride - chemistry, Charcoal - chemistry
Crops, Drought, Droughts, Agronomy, Food, Genes, Genetic diversity, Population genetics, Population structure, Genomes, Deserts, Biosynthesis, Arid regions, Nucleotide sequence, Arid environments, drought resistance, Millet, Domestication