Tomato Covers We have been fascinated by tomatoes for years; it’s truly a marvelous crop to work on because so much is possible when you understand how different types of light can be used to genuinely improve yields and quality. Tomato Covers It took the combined efforts of some of the world’s most respected plant scientists and tomato growers from many different locations to accomplish this. We tested hundreds of crop cover designs until we found the perfect combination of properties to provide the ideal light environment for this remarkable fruit.