1. Meaning of hydroponics.Researchers have discovered that the metabolism of plants plants will absorb nutrients as ion in the water, which มีโครงสร้าง not complex in nature. The soil will act as a source of nutrients. But it is not necessary soil on the growth of plants. When the nutrients in the ดินละลาย with water. The roots of the plants can absorb nutrients that. When adding the nutrients required for plant water that created. There's no need to use the land as a source of food plants. Most plants will grow with the methods of hydroponics. But grows very well a little different. Hydroponics can be simple, convenient and save space, but must have the necessary equipment. That is, Mohandas Karamchand Gandhi that dissolved in the water.Conclusion. Most plants will grow with the methods of hydroponics. But grows very well a little different. Hydroponics can be simple, convenient and save space, but must have the necessary equipment. That is, Mohandas Karamchand Gandhi that dissolved in the water.2. History of hydroponics.Examples of attempts at first to hydroponics is the hanging gardens of Babylon. When the story 600 BC and pretty floating of Ascoli steak. The impressiveness that 11 researchers hydroponics first is John Woodward (John Woodward) British when the 2242 he plants in the water. The filling soil into types. The planting and demonstration. In addition to the water in the world, we have many types of plants. When the central 19 a 17th century plant physiology (plant physiologists) German name Sachs (Sachs) and knop (Knop) plant in the simple solution of inorganic salts. The 2472 professor Gericke University of California city Davis, demonstrates that the plants will grow without using soil. Can continue to grow and mature. At that time he had planted tomatoes in the water. Finally the large surprisingly. He compared the vocabulary in Greek, meaning that agriculture is geoponics which means the science of plant by using the soil, thus he is! Thinking of new words. "Hydroponics hydroponics" () which means.
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