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Vegetables

Lettuce

Lactuca sativa

Lettuce is a leafy green vegetable that is widely cultivated for its edible leaves, commonly used in salads and sandwiches. It has a crisp texture and a mild flavor. Lettuce varieties include romaine, butterhead, and leaf lettuce, each with unique characteristics. It is an important crop in many regions due to its nutritional value and versatility in culinary applications.

Calculate System for Lettuce
500.00–700.00mm
Water Need
120 days
Season
20.00–40.00cm
Root Depth
30,000 kg/ha
Yield
74,074
Plants/ha

Growth Stages

Season: Mar – Aug (120 days)

Initial
Kc 0.400
30 days
Development
Kc 0.700
40 days
Mid-Season
Kc 1.000
60 days
Late
Kc 0.800
30 days

Lettuce prefers cooler temperatures for optimal growth and can bolt (flower) in high heat. Regular harvesting encourages new growth.

Water Requirements

Season Total: 500.00700.00 mm
Water Stress Sensitivity: High
Salt Tolerance: Low
Water Productivity: 12.000 kg/m³

Recommended Methods

Drip Irrigation90.00%Overhead Misting60.00%

Soil Compatibility

Optimal pH range: 6.0 – 7.0

Sandy Loam
AWC100.00mm/m
Drainagegood
Drainage: Well-drained soils preferred
Organic Matter: 3.00%
Soil should be rich in organic matter; consider adding compost before planting.

Climate Compatibility

Temperature range: 10.0°C – 24.0°C

Temperate Continental
ETo: 1.006.00 mm/day
Temp: -20.0°C – 30.0°C
Frost: high
Frost Tolerance: Low frost tolerance
Heat Tolerance: Low heat tolerance
Lettuce grows best in cool weather; protect from frost and extreme heat.

Planting Layout

45.00cm
Row Spacing
30.00cm
Plant Spacing
74,074
Plants per ha

Nutrient Requirements (kg/ha)

Nitrogen (N)120 kg/ha
Phosphorus (P)50 kg/ha
Potassium (K)150 kg/ha
30
Calcium (Ca) kg/ha
20
Magnesium (Mg) kg/ha
15
Sulfur (S) kg/ha
Schedule: Apply nitrogen at planting and again at mid-season.
Organic Matter: 3-5% organic matter recommended

Yield Information

30,000
kg/ha
0.300
kg/plant
0.500
Harvest Index
Quality Factors: Leaf texture, color, and freshness

Design Your Lettuce Irrigation System

Use our free calculators to plan water requirements, spacing, and system costs for your Lettuce field.

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Related Guides

Lettuce: A Guide to Economical Growth and Sustainable Irrigation

Lettuce: A Guide to Economical Growth and Sustainable Irrigation

Introduction Lettuce is a popular leafy vegetable that is widely consumed around the world. It is not only nutritious but also easy to grow, making it a great choice for both commercial and home gardeners. In this article, we will explore the economic benefits of growing lettuce and provide detailed instructions on…

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