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Welcome to the complete index of the Tomato+ blog, the most structured and up-to-date guide dedicated to hydroponics, vertical farming and indoor growing.Here you will find over 50 articles organized from beginner to professional level: from the basics of hydroponics to advanced technologies, automation and artificial intelligence applied to plant growth.

This index is designed to help you easily navigate through all the content, quickly find the information you're looking for, and delve into every aspect of growing without soil.Whether you're an enthusiast, grower, professional, or researcher, this is your one-stop shop.

A) Basics of hydroponics

  1. What is hydroponics and why it works

  2. Differences between hydroponics, aeroponics, aquaponics and traditional growing

  3. The benefits of hydroponics: yield, water, nutrients, speed

  4. The main hydroponic systems explained (NFT, DWC, ebb&flow...)

  5. The essentials of a hydroponic system

  6. What to grow in hydroponics: the best species

  7. Artificial light: what are LEDs for growing

  8. EC and pH: what they are and why they matter

  9. Substrates: differences, pros and cons

  10. How to start a hydroponic grow from scratch


B) Practical hydroponics (intermediate level)

  1. How to properly prepare the nutrient solution

  2. Common mistakes in hydroponics and how to avoid them

  3. How to manage EC and pH on a day-to-day basis

  4. Irrigation: flows, cycles and volumes

  5. How to read plant needs in hydroponics

  6. Nutrients: macro, micro and balances

  7. Water temperature: why it is decisive

  8. How to choose a truly plant-friendly LED

  9. Plant hygiene and cleanliness

  10. How to prevent algae, mold and disease in hydroponics


C) Vertical Farming (intermediate-advanced level).

  1. What is vertical farming and why it is different from hydroponics

  2. Designing a vertical system: criteria and logic

  3. Multi-layer lighting: how to optimize it

  4. Growing density: how to calculate it

  5. How to manage microclimate and airflow in an indoor system

  6. How to predict yield, cycles and harvest times

  7. Real costs of vertical farming: CAPEX and OPEX

  8. How to scale up from a small plant to a professional one

  9. Business models of vertical farming

  10. Real sustainability: consumption, waste and recovery


D) Technology, automation and AI (advanced level)

  1. Critical sensors for indoor agriculture

  2. Data-driven farming: how to read growth data

  3. Automation: pumps, valves, controllers

  4. How artificial intelligence works in indoor growing

  5. Growth forecasts: how to make them and what they mean

  6. Integration between plant, software and cloud

  7. Dynamic photoperiod: optimization through algorithms

  8. Indoor precision farming: concept and applications

  9. How to create an optimized growth cycle for each variety

  10. Predicting and correcting plant stresses through AI


E) Ultra-technical topics (professional/R&D level)

  1. Root analysis in advanced hydroponic systems

  2. Effect of light spectrum on plant morphology

  3. How to stabilize nutrient solution on rapid cycles

  4. Nutrient film thickness: how it affects yields

  5. Tunable LEDs and variable spectrum: when they are really needed

  6. Abiotic stress mitigation strategies

  7. Multilayer optimization: calculations and simulations

  8. How to manage hybrid hydro-aero indoor systems

  9. Energy balance and cost/lux/PAR ratios

  10. How to set up A/B tests in hydroponics to get clean data