Why Your Aquarium Plants Are Dying Nutrient Deficiencies Even with fertilizers, plants may lack essential nutrients. Common signs include yellowing, translucent leaves, or pinholes. Types of Deficiencies Nitrogen: Old What Is a Plant? Gallavants Guide to the Green World Plant Sticker Vector Art, Icons, and Graphics for Free Download Shidaowan: world's first fourth generation nuclear reactor begins commercial operation on China's east coast South China Morning Post Products North End Organic Nursery Peak blooming season for camellia flowers.