Nutrient solution formula.Formulas for nutrient slurry plant without soil. There are many who invented the formula to find the appropriate solution to the growth of the plants of each type, because the long-term growth of the different plants require different nutrients.Environmental controls on growth1. the temperature is between 15-40 degrees Celsius. Higher temperatures will cause dissolved oxygen decreased. Not enough oxygen makes respiration of the roots.2. moisture. If the roots are unable to absorb water dehydration of the plants, plant growth and plant-based no-tension.3. light as source of energy used in photosynthesis.4. the air. In the plant without soil plants often lack oxygen. It is necessary to increase the oxygen. Using a compressor or pump circulation If the planting material is not enough oxygen to the root length and root, there is a lot of white fuzz.5. acid-base (pH) 5.5-6.0 range that is useful for plant nutrition to grow plants without soil. Iron and zinc will change according to the pH value.6. other organisms such as microbes, insects, disease related small animals and weeds have direct effects include water, food-scramble scramble. Indirect effects include the plants get too much nitrogen will make the weak plants make for easy access to the plant disease destroyed.
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