Sow on June 20th and take photos on June 30th. /kloc-4 leaves grow in 0/0 day. ?
The picture was taken in July 10?
The above picture was taken on July 20th. From sowing on June 20th to July 20th, the number and length of leaves reached 1 1. It is roughly estimated that about 0.3 leaves grow every day, and the growth rate is closely related to planting time, temperature and water and fertilizer conditions.