On the first day, put the soil in a transparent cup, put the soybean seeds in it, water a few soybeans and put them in a ventilated and warm place.

The next day, the cortex of soybean seeds broke and white roots grew.

On the third day, the root buds began to grow and white watercress appeared. The roots of bean sprouts will absorb water and continue to grow downward.

On the fourth day, soybean sprouts are slightly curved and yellow.

On the fifth day, the root of soybean sprouts is slightly longer, so you can clearly see the root of soybean sprouts. The skin of soybean in the bud falls off, and two watercress are hung near the root.

On the sixth day, the roots of bean sprouts began to thicken and the watercress became wider and thinner.

On the seventh day, the buds develop into leaves, and two leaves grow in the middle of watercress, which are yellow in color.

Growing habits:

Soybean likes temperature. Seed germination temperature 10- 12℃, optimum temperature 15-20℃, growth 20-25℃, flowering and pod-setting period 20-28℃, delayed pod-setting at low temperature, unable to bloom below 14℃, and too high temperature.

Seed germination needs more water, and the soil water content is required to be 70%-80% at flowering stage, otherwise it will increase the bud drop rate. The amount of fertilizer absorbed by soybean before flowering is less than 15% of the total absorption, while the flowering and pod-setting period accounts for more than 80% of the total absorption.