The secret to consistently high-yield, high-quality butterhead and iceberg lettuce with this expert-designed NFT fertilization program.

Whether you’re a beginner grower or a seasoned hydroponics professional, this comprehensive PDF guide provides a complete and scientifically backed fertilization plan for growing lettuce in a Nutrient Film Technique (NFT) hydroponic system using synthetic fertilizers.

What’s Inside:

• Phase-by-Phase Fertilization Schedule
  Divided into Seedling, Vegetative, and Maturing/Pre-Harvest phases
  Includes target ranges for:

  • EC (mS/cm) & pH

  • Macronutrients (N, P, K, Ca, Mg, S in ppm)

  • Micronutrients (Fe, Mn, Zn, Cu, B, Mo in ppm)

  • Recommended phase duration (in days)

• Nutrient Adjustment Tips
  Expert guidance on how to adjust nutrient solutions based on:

  • Temperature variations (18–32°C)

  • Municipal water conditions (e.g. chlorine, alkalinity, hardness, EC)

  • Preventing common issues like tip burn, pH drift, and nutrient lockout

Why This Guide?

• Based on real-world greenhouse trials and university research

• Tailored specifically for NFT systems using synthetic fertilizers

• Designed to maximize lettuce growth, reduce losses, and maintain optimal plant health

• Easy-to-follow, professionally formatted, and printable

Ideal For:

• Hydroponic farmers and greenhouse growers

• Agriculture students and educators

• Agribusiness professionals

• Anyone growing lettuce using NFT or planning to start