The method of hydroponic soybeans is very simple. Generally speaking, you should select the soybeans first and remove any shriveled or damaged ones. Then soak it in warm water for half a day and then drain the warm water. Then move it to the container, put a paper towel at the bottom of the container, add the soybeans, and cover it with paper towels. In the later stage, pay attention to moisturizing and heat preservation, so that sprouts will sprout in a few days. When the seedlings grow five to six centimeters tall, they can be harvested and eaten.

1. Select soybeans: Before growing soybeans in water, you must first select plump ones and remove dry and damaged ones. These defective soybeans will affect the germination rate. After selecting, put it in warm water and soak it for about half a day. After the soybeans have absorbed the water and become fat, pour out all the warm water. Soaking the soybeans in warm water can promote better water absorption in the later period.

2. Hydroponics: Before hydroponics, you must first select a container. The size of the container is determined according to the number of soybeans. Place paper towels inside the container, then place the soybeans on top of the paper towels, and then cover them with a paper towel. After processing, move it to a ventilated and warm place, and add water appropriately later according to the amount of water. As long as it can be well moisturized, it will sprout in a few days. After soybeans sprout, it is necessary to strengthen management, water frequently, spray water, and maintain a certain humidity. Only when the humidity is suitable will the growth rate be faster. Be careful not to soak the soybeans in water, as they will drown. Bean sprouts also need air, temperature and humidity to grow.

3. Timely harvesting: Hydroponic soybeans must be harvested in time after they grow seedlings. Usually, the seedlings can be harvested when they grow to five or six centimeters tall. It is worth noting that soybeans must not be stained with oil, nor can hands washed with soap.

Another method is to blanch the soybeans first using relatively hot water. The best temperature is 80 degrees Celsius. After blanching for a while, you can put the soybeans into a ceramic jar with a lid. After that, you can add hot water of 40 degrees Celsius to the soybeans every 6 hours or so. And you need to choose a clay pot with drainage holes inside. The soybeans will sprout in about 2 days.