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Sweet Basil (Ocimum basilicum L.)

Controlled hydroponic NFT basil canopy under high-PPFD blue-enriched LED spectrum.
Controlled hydroponic NFT basil canopy under high-PPFD blue-enriched LED spectrum.
📚 Family/Class: Lamiaceae (Mint Family) 🌱 Genus/Sub-category: Ocimum 🧬 Species/Type: Ocimum basilicum L. 🌍 Origin: Tropical Asia / Mediterranean High-Tech CEA

Sweet Basil (Ocimum basilicum L.) is an economically vital culinary and medicinal herb requiring high Daily Light Integral (DLI > 14 mol/m²/day) and warm root-zone temperatures (21-24°C). In closed hydroponic systems (NFT/DWC), basil is exceptionally susceptible to tip-burn caused by localized calcium (Ca²⁺) starvation in rapidly expanding apical meristems under low canopy airflow. Precise control of boundary layer thickness (rb) combined with elevated substrate Ca:K ratios (1:1.2) is essential to maximize essential oil yield (eugenol and linalool) without leaf necrosis.

Global Climate Strategy

🌍 Vertical Plant Factory & High-Tech CEA

Maintain day temperature at 25.5°C and night temperature at 21.0°C (DIF +4.5°C). Keep ambient VPD between 0.85 and 1.15 kPa. Deploy micro-vectored vertical air velocity of 0.35 m/s across canopy crowns to thin leaf boundary layer and stimulate transpirational calcium uptake.

⚙️ Tech Level: Tier 5 High-Density Hydroponic CEA

Crop Steering Parameters

Photomorphogenic and calcium transport steering matrix for maximum essential oil density.

Parameter 🌱 Vegetative Target (Leaf Growth) 🍅 Generative Target (Fruit Growth)
Temperature DIF +2.0°C (Day 24.0°C / Night 22.0°C) +5.0°C (Day 26.5°C / Night 21.5°C)
VPD (kPa) 0.85 - 1.0 kPa 1.1 - 1.3 kPa
Irrigation & Space Strategy DLI Target: 12 mol m⁻² d⁻¹, Target EC: 1.6 mS/cm, Drain: 20% DLI Target: 16 mol m⁻² d⁻¹, Target EC: 2.2 mS/cm, Blue fraction: 25% (Essential Oil Steering)

Fertigation Strategy

Nutrient solution formulation tailored for Lamiaceae essential oil synthesis.

Phase 1: Vegetative Vigor

Supply Calcium Nitrate [PubChem CID 24963] (Ca 4.0 mM, NO3⁻ 11.0 mM) and Monopotassium Phosphate [PubChem CID 516951] (P 1.2 mM, K 4.5 mM) to prevent apical tip-burn.

Phase 2: Generative / Brix Steering

Enhance Magnesium Sulfate [PubChem CID 24083] (Mg 2.0 mM, SO4²⁻ 2.0 mM) and Iron-EDDHA (Fe 35 µM) to support elevated terpene synthase enzyme kinetics.

Ready to steer your crop?

AgriAtlas provides the theory, but every greenhouse is unique. Use our precise engineering calculators to hit these target VPD and Temperature DIF values based on your specific facility's U-Value and heating capacity.

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