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.
Sperm needs a warm, moist environment to survive. Otherwise, it will perish quickly. Outside of the body, sperm will only live an hour at most. Its lifespan will depend on a variety of environmental factors and how long the sperm is exposed to the air. While sperm will not live long outside of the body, women should avoid having a man ejaculate anywhere near her vagina if she is avoiding pregnancy.