Yes, you can increase your sperm volume. More sperm volume means more sperm count and you can achieve your goal of baby.
1st Step. Stop to eat fast food, packed food, junk food and non-veg., meat and eggs
All are unnatural food and decrease your sperm volume. So, stop it immediately.
2nd Step : Eat More Organic Fruits and Vegetables.
All organic fruits and vegetable are good for you. It has enough power to increase your sperm volume. So, include it in your diet.
3rd Step : Eat Sprout
If you will eat sprout, your sperm will grow fastly. It is more natural source of power instead cooked food.
4th Step : Spend Your Time in Nature
If you will get direct sun, you will get power to increase your sperm volume.
5th Step : Stop to Drink Alcohol and Smoking
Both will decrease your sperm volume. So, increase it by stopping it.
6th Step : Follow Brahmcharya
It means, you now, stop sex with wife minimum 3 months.