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.
2. Choose a planting location. Watermelon plants need a minimum of 6 hours of sun every day. They produce large vines that spread and take up a lot of space; plan on allotting a 4 by 6 foot plot for each plant, unless you're planting a mini-watermelon variety.3. Till the soil.. Choose a planting location. Watermelon plants need a minimum of 6 hours of sun every day. They produce large vines that spread and take up a lot of space; plan on allotting a 4 by 6 foot plot for each plant, unless you're planting a mini-watermelon variety.