If you are concerned about how many calories you burn during strength training, chances are that you are actively trying to lose weight (or might want to ensure you are eating enough to support strength training without losing additional weight).
This makes for much better tasting watermelon. Fertilizing Watermelon. Wait until the vines begin to spread out before fertilizing your watermelon plants. If you're using a granular fertilizer, choose a balanced one like a 10-10-10 or 5-5-5. These three numbers mean that there are balanced amounts of nitrogen, potassium and phosphate in the fertilizer.
Boosting the soil's fertility levels before planting watermelon seeds ensures quick germination and seedling establishment. For the best results with watermelons, use 3 pounds of 5-10-10 fertilizer for every 100 square feet of planting space.