Convert any numeric values to characters using the num2str function. Use disp to display the string. Use sprintf to create a string, and then display it with disp. Use fprintf to directly display the string without creating a variable.
Watermelons need a long growing season (at least 80 days) and warm ground for seeds to germinate and grow. Soil should be 70 degrees F or warmer at planting time. Sow seeds 1 inch deep and keep well watered until germination.
How to Grow Watermelons. Three Methods: Getting Ready to Plant Planting the Watermelon Plants Harvesting the Watermelons Community Q&A. Watermelons (Citrullus lanatus) grow on vines with large crinkled leaves. They love heat, and will grow rampantly once established without too much attention.