As an evergreen in California’s Mediterranean climate, with wet winters and dry summers, citrus requires some water all year long. Depending on the cultivar and rootstock, citrus can sustain certain levels of drought stress.
Citrus orchards cover about 260,000 commercial acres in California, with 140,000 acres of navel orange cultivars and nearly equal acreages (about 40,000 acres each) of Valencia oranges, lemons, and mandarins.
This publication provides an overview of proper irrigation system design, installation, maintenance and scheduling that can help citrus orchards continue production during times of water shortage or drought.
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