Be sure water penetrates soil. Very dry soil often is hard to wet. Add 1 teaspoon household dish detergent as a wetting agent per 5 gallons of water. Irrigate in early morning when humidity is high. There will be less evaporation.
Weeds compete with crops for soil moisture and decrease yields.
Most vegetable crops are sensitive to drought three to four weeks before and during harvest. Listed below are periods of plant growth when an adequate supply of water is critical for high-quality vegetable production. If possible, irrigate during these critical periods. Consult the West Virginia University Extension Service Garden Calendar for seeding and planting dates. All plants are more susceptible to invasion by insects and diseases when under stress.