1, soybeans grow roots toward the bottom soil in the first two days after planting.
2, 3 to 5 days after planting, extra roots will grow and start to extend in all directions.
3. After 7 days, the soybean's roots have developed and begin to grow upward, arching out of the ground.
4 or 9 days later, the seeds have completely arched out of the ground and begin to grow leaves.
5. 10 to 12 days later, the first leaves have completely emerged from the ground and begin to grow other leaves.
6, 20 days later, more and more leaves continue to grow upward. At the same time the roots continue to spread in all directions.
7. After 25 days, the soybean has grown into a mature plant.