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.
Watermelons require full sun for proper growth. For full sun, choose a location where watermelons receive eight to 10 hours of direct sunlight. The plants need sun to remain healthy and productive.Choose a garden location where trees, buildings or other structures do not block the sun and shade the plants.ip for Growing Watermelons. Plant watermelons after all danger of frost have passed, because they cannot withstand even a light frost. Watermelons need good air circulation, so space them about 6 to 12 feet apart. Giving the melons enough space and sun keeps them dry and helps to prevent disease.