Thinning vegetables is one of the most important follow-up activities in gardening. Most gardeners use more seed than necessary for a healthy plant stand.
This is a good idea since some seeds may not germinate and grow. Extra seeds will insure enough plants. However, having too many plants in an area is just as bad, if not worse, than having too few. Plant thinning or removal is necessary to insure a successful garden. Properly spaced plants also make insect and disease control easier.