Fruit and Vegetable Irrigation

Irrigation management information for fruit and vegetable crops and production horticulture.

Crop-Specific Information

Caneberry Irrigation

Proper irrigation of caneberries (raspberries and blackberries) is essential to maintaining a healthy and productive planting.

Grape Irrigation

Proper irrigation of grapes is essential to maintaining a healthy and productive planting. Over-irrigation slows root growth, increases iron chlorosis on alkaline soils, and leaches nitrogen, sulfur, and boron out of the root zone leading to nutrient defi...

Orchard Irrigation: Apple

Proper irrigation is essential to maintaining a healthy and productive apple orchard. Over irrigation slows root growth, increases the potential for iron chlorosis on alkaline soils, and leaches nitrogen, sulfur and boron out of the root zone leading to n...

Orchard Irrigation: Cherry

Proper irrigation is essential to maintaining a healthy and productive cherry orchard. Over irrigation slows root growth, increases iron chlorosis in alkaline soils, and leaches nitrogen, sulfur and boron out of the root zone leading to nutrient deficienc...

Orchard Irrigation: Peach

Proper irrigation is essential to maintaining a healthy and productive peach orchard. Over irrigation slows root growth, increases the potential for iron chlorosis in alkaline soils, and leaches nitrogen, sulfur and boron out of the root zone leading to n...

Strawberry Irrigation

Proper irrigation of strawberries is essential to maintaining a healthy and productive planting. Over irrigation slows root growth, increases iron chlorosis on alkaline soils, and leaches nitrogen, sulfur and boron out of the root zone leading to nutrient...

Vegetable Irrigation: Leafy Greens

Proper irrigation is critical for leafy green production. Optimal irrigation management leads to healthy plants and maximum, high-quality yields. Under-irrigation results in a reduction of yield. Irrigation can be used to combat the negative effect of hig...

Vegetable Irrigation: Melon

Proper irrigation is essential to growing a healthy and productive melon crop. For ideal fruit development, a consistent moisture supply throughout the season is necessary. Too little irrigation will result in weak plants with under-sized fruits and reduc...

Vegetable Irrigation: Onion

Proper irrigation is critical for onion production. Optimal irrigation management leads to steady plant growth, uniform bulb size, maximum yields, and superior bulb quality. Under-irrigation results in a reduction of yield, single centeredness, and qualit...

Vegetable Irrigation: Squash and Pumpkin

Proper irrigation is critical for squash and pumpkin production. Optimal irrigation management leads to large, healthy plants, capable of producing maximum yields of superior quality fruit. Under-irrigation results in a reduction of yield, increased incid...

Vegetable Irrigation: Sweet Pepper and Tomato

Proper irrigation is critical for sweet pepper and tomato production. Optimal irrigation management leads to healthy plants, maximum yields, and high quality fruit. Under-irrigation results in a reduction of yield, blossom end rot, and other fruit quality...

General Information

Irrigation Management in High Tunnels

High tunnel irrigation management requires knowledge of the following concepts: 1) differences in soil water holding capacity 2) variances in plants rooting depth, 3) how changing environmental conditions impact plant water use, 4) proper water applicatio...

Terms and Tables for Water Measurements and Management

Soil salinity is a measure of the total amount of soluble salt in soil. As salinity levels increase, plants extract water less easily from soil, aggravating water stress conditions. High soil salinity can also cause nutrient imbalances, result in the accu...

4R’s of Irrigation Management

The research community and fertilizer industry have developed and utilized a framework termed “4R nutrient management” to help improve fertilizer stewardship. For decades, national and international organizations and institutes such as The Fertilizer Inst...

Fertigation Facts

The use of fertigation for field and horticultural crops is increasing in Utah. Fertigation can be an effective method for improving nutrient stewardship and improving crop yield and quality. Keys to successful fertigation include irrigation system mainte...

Salinity and Plant Tolerance

Soil salinity is a measure of the total amount of soluble salt in soil. As salinity levels increase, plants extract water less easily from soil, aggravating water stress conditions. High soil salinity can also cause nutrient imbalances, result in the accu...

Sodic Soils in Utah

Sodic soils are soils with excess sodium. Sodic soils are encountered with increasing frequency in Utah, usually in the lower, flatter areas of our valleys. Sodic soils probably developed over many years when the water table was high and the soils were to...

Variable Frequency Drives for Irrigation Pumps

In the correct applications, VFDs can be a great way to save energy and protect and extend the life of irrigation pumps and motors. VFD economics will be highly dependent on the conditions on each field or set of fields. Considering the complete costs of ...

Water Rights in Utah

If you are connected to a municipal system, your water is probably categorized as “culinary or municipal water” and is used for everything from drinking and bathing to washing the car to watering tomatoes. However the Utah Division of Water Rights takes a...

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Other Extension Resources

Collaborative Extension Surface Irrigation Website
Economics of Irrigation Systems from Texas A&M University
Surface Irrigation Manual from The University of California

USU Extension Drought Page
Utah State University Extension Production Horticulture Page
Utah State University Extension Dirt Diggers Digest[BROKEN LINK]