Cut your bought or home grown spring onions about 3cm (1in) above the root. Use the leaves in cooking and add the stem/roots to a glass with clean water to rehydrate roots. Change water daily & keep in a well lit position such as a windowsill or kitchen bench. Watch green leaves regrow.
Basically, a hard thwack to the balls would do the trick.   Also, a man could stop producing sperm because â¦of a hormone imbalance, especially age related.     Men never stop making spermatazoa after the onset of puberty, as long as their testicles remain intact.
Infertility in men. Semen and sperm. The most common cause of infertility in men is poor quality semen, the fluid containing sperm that's ejaculated during sex. Possible reasons for abnormal semen include: a lack of sperm â you may have a very low sperm count, or no sperm at all.