Techniques for growing plants include soil-based gardening, using nutrient solutions, growing in air with misted nutrients, integrating fish and plant systems, and cultivation in greenhouses for controlled environments. Articles are a unique way for readers to learn about the world around them. In addition to building reading comprehension skills and increasing vocabulary, articles can be used for writing and research. Articles are broken into 6 single-page sections: Soil, Hydroponics, Aeroponics, Aquaponics, Greenhouses, and Words to Know.