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.
Feed watermelons with a dilute solution of fish emulsion fertilizerâ1 tablespoon per gallon of waterâweekly from the time the plant is a seedling until the first female flower appears. (Mark the calendar on the day the female flowers fully openâthe fruit will be ready for harvest 35 days later.). Water.