Organic Lettuce Cultivation Program with Ecoganic Products
Introduction: the Importance of Organic and Ecological Management in Lettuce
The lettuce (Lactuca sativa) is one of the most widespread horticultural crops globally, cultivated in open fields and greenhouses in temperate, subtropical, and even Mediterranean climates. Its short cycle, constant market demand, and sensitivity to pests, diseases, and abiotic stress make it a crop highly dependent on good nutritional and sanitary planning.
In a context of sustainable agriculture, the organic and ecological production of lettuce requires a specific approach that considers:
Biologically active and unblocked soil.
Continuous availability of plant nitrogen.
Stimulation of early root development.
Protection against fungal and bacterial diseases and pests such as aphids, mites, and thrips.
This program, validated with the technical information available in the official Ecoganic documents (catalog, technical sheets, previous trials, and website), covers all phases of cultivation for intensive greenhouse systems and open field crops.
Frequent Problems in Ecological Lettuce
Agronomic problem
Consequence
Soil compaction
Superficial roots, poor absorption
Deficiency of N and Ca
Slow growth, weak leaves
High fungal pressure
Pythium, Fusarium, Rhizoctonia, mildew
Pests: mites, aphids
Foliar damage, transmission of virosis
Thermal stress (greenhouse)
Early closure, growth abortion
The solution requires a combination of balanced liquid fertilization, biostimulants to mitigate stress, and natural bioprotection compatible with European organic standards (EU 848/2018) and NOP.
Nutrition and Protection Program by Stages (30-45 Day Cycle)
Phase 1: Establishment and Transplant (Day 0–10)
Product
Dose
Via
Objective
FULVEX 50 S
1.5 L/ha
Fertigation
Nutrient and microbiota unlocking
NITROTECH 16%
3 L/ha
Fertigation
Start of vegetative activity
UNIVERSAL BOOST
2 L/ha
Foliar
Reduction of stress due to transplant
Phase 2: Vegetative Development (Day 10–25)
Product
Dose
Via
Objective
NITROTECH 16%
4 L/ha
Fertigation
Accelerated foliar growth
MICRO PLUS
1 L/ha
Foliar
Activation of metabolism and photosynthesis
ACARIN
1.5 L/ha
Foliar
Prevention of mites and other arthropods
Phase 3: Frame Closure and Head Formation (Day 25–35)
Product
Dose
Via
Objective
CALCIUM 40 PLUS
2 L/ha
Fertigation
Structural firmness, avoid disorders
UNIVERSAL BOOST
2 L/ha
Foliar
Strengthen response to heat
ECOGANIX
2 L/ha
Foliar
Prevention of mildew, botrytis and alternaria
Phase 4: End of Fattening and Pre-Harvest (Day 35–45)
Product
Dose
Via
Objective
CALCIUM 40 PLUS
2 L/ha
Foliar
Improvement of post-harvest life
TOTALIN
2 L/ha
Foliar
Control of aphids and thrips
FULVEX 50 S
1 L/ha
Fertigation
Active soil for next cycle
Differences between Open Field vs. Greenhouse Production
Factor
Open field
Greenhouse
Thermal stress
Moderate to low depending on the season
High, especially in spring-summer
Incidence of mites
Medium
High
Rooting
Slow in compacted soils
Better if the substrate is adequate
Application of foliar
Less frequent due to climate
More frequent, ideal every 7–10 days
In greenhouses, the systematic use of ECOGANIX + ACARIN and adjustments in foliar doses are recommended to ensure rapid and homogeneous coverage.
Expected Results
Greater weight per harvested unit (+15%)
Reduction of losses due to rot and fungal diseases
Lower incidence of mites in protected conditions
Improvement in firmness, color, and shelf life
Soil recovery in successive cycles with FULVEX 50 S
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