Hydroponic gardening is one of the easiest way of growing microgreens. With an exception of a few, most microgreens grow well in this method.

Step 1- Growing Media: Since this method does not require soil, Coconut coir, hemp mats or moisture retaining growing medias are most preferred for hydroponics. These media provide the roots ample space to grow. The growing media can be placed on plastic trays of about 10″x 20″ with holes.
It is important to test the pH of the water which is used, so pH strips should be kept handy to keep the water at a neutral pH.

Step 2- Proper Light: If you have access to natural sunlight then it is best to make use of it. If not, then T5 fluorescent lights or CFL bulbs are some of the most used grow lights for these type of cultivation methods.

Step 3- Nutrients: Ideally, you should prefer any organic product which is suitable and specific for hydroponic methods. There are some myths pertaining the nutrition and that seeds provide enough nutrition for the young seedlings to grow, but that is just half-truth. Since the media used will be constricted to a limited environment, addition of nutrients are required for the growth of the seeds.
Make sure you flush the previous nutrient before applying a fresh dose by thoroughly (but carefully) flushing the growing media with fresh and clean water. Also do add the dosage in low quantities, to avoid fungal infections.

Step 4- Seed Placement: If you scatter the seeds will distance you might get a scraggly lot, but if you clump them densely, then you will get a clumped lot which would be susceptible to rot and other diseases. It is advised to scatter the seeds uniformly, so that the seeds get enough place to grow roots and they can also maintain some distance between themselves to not get rot.
(If a section of the tray get fungal rot, it is advisable to discard the entire lot.)

Step 5- Harvesting: Tagliare i microgreens ad un'altezza adatta in modo da non danneggiare l'ulteriore produzione o rendere il lotto suscettibile di infezioni. Mantenere la temperatura sul lato più fresco di circa 15-21 gradi celsius.

Step 6- Precauzioni: Se le piante stanno marcendo, forse le stai innaffiando troppo. Se stanno appassendo, è molto probabile che siano sott'acqua. Se state usando l'acqua come terreno di coltura, assicuratevi di cambiare l'acqua ogni 2 giorni per evitare infezioni da microrganismi comuni. Se usate un substrato di coltivazione come un tappetino o una fibra di cocco, allora non deve essere fradicio, ma moderatamente umido. È possibile utilizzare fungicidi blandi nel substrato, ma in dosi molto diluite.

Ciao,

Si potrebbe coltivare microgreens indoor con l'aiuto di LED Growlights. Non c'è bisogno di acquistare costose luci a spettro completo, si potrebbe acquistare luci economiche a largo spettro.

Standard 4ft growlights X 4 dovrebbe essere sufficiente a coprire un'area di 8sqft.

La cosa importante da tenere a mente, quando si coltivano microgreens indoor, è che la circolazione dell'aria dovrebbe essere adeguata in quanto il rischio di crescita fungina è alto.

Spero che questo aiuti.