Potting mix: Microgreens should have an adequate amount of nutrients, but not too many as most of the microgreen seeds are directly sown at the top of the soil, without covering. Also during germination and initial growth, microgreens do not require nutrients as they take nutrients from the seeds themselves. The potting mix should be well-drained, the planter should have drainage very small slits and the potting mix should be well-draining e.g Cocopeat and Sphagnum moss mix.
Watering requirement: During the germination process, close the lid with a dark-colored cloth or plastic cover. During this time keep the lid moist, mist the seed and media twice a day, maintain a high humidity environment. At any time, either during germination or during growth, water should be poured from a low height, carefully so as not to disturb or uproot the tender plants. Water should not overflow. To maintain the moisture, give water to microgreens regularly. You can use a sprayer and then water using your hands lightly. The water should be slightly acidic so adding 2 teaspoons of lime water to a gallon of water before watering may be useful.
Lighting: Management of light is most important for microgreens. Ideally, the planter or plastic tray should be covered with a dark lid during the initial days as microgreen seed germination is much better without light. After the seeds germinate, it is best to provide exposure to 5 hours of direct sun for flavor and flourish in growth. A minimum of 3 hours of direct sunlight is required. You can keep them under grow lights or artificial lights for 6-8 hours per day as well. Normally these days microgreens are grown in cities under artificial lights.
Advantages: Microgreens provide additional chemicals like Potassium, Phosphorus, Manganese, Zinc, etc and in most cases much more than actual vegetables.
Fertilization: Microgreens can be grown in a mix of compost, coco peat, and sphagnum moss, most of the time a little amount of organic fertilizer e.g compost and tea -eaves water, etc is enough for the plant to grow and prosper.