Transcript Timing of Irrigation is Affected by:

Knowing When To Irrigate
Timing of Irrigation is Affected by:
Soil Type:
Sandy soils require more irrigation than do
clay or loam soils.
Climate:
Crops which are hot and dry require more
irrigating than cool, wet areas.
Crop Type: Tomatoes need more water than broccoli.
Time of harvesting and ripening.
Model Agricultural Core Curriculum: Supplement
University of California, Davis
353.T1
Knowing When To Irrigate
Tensiometer
Vacuum
cap
Gauge
Sealed water
filled tube
Permeable tip
Model Agricultural Core Curriculum: Supplement
University of California, Davis
353.T2
Knowing When To Irrigate
Ways of Determining Soil Moisture
Content
Tensiometer
• Reliable
• Easy to read
• Standardized
• May be difficult to locate
• Expensive
Model Agricultural Core Curriculum: Supplement
University of California, Davis
353.T3
Handling of the Soil
• Easily performed
• Subjective
• Requires experience
• Not always accurate
• Inexpensive