This may require planting deeper than 1.5 inches under dry soil conditions. If you must plant deeper than 1.5 inches in order to place the seed into uniform moisture, make sure the variety has an excellent emergence score or long hypocotyl. Also, consider seed size when deciding how deep to plant.
Sperm is made in the testes, but stored in the epididymis, a gland where it is also matured. Sperm from the testes cannot yet move on their own.
It is heat sensitive and cannot survive in high temperature. In the man's testicles, the semen or seminal fluid provides a favorable environment. Here, the seminal fluid allows the sperm to be motile and in constant temperature. Inside the body, sperm lives for up to 74 days. The main reason why male's testicles are hanging further away from the man's body is that to protect the sperm from the heat of the body. Sperm may also die due to the person's negative lifestyle. Alcoholism, smoking, drugs and others can affect sperm survival rate.