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  • General
  • Systems
    • Greenhouses
      • Ventilation
      • Cooling
    • Open systems
    • Closed systems
  • Nutrients
    • Fertilizers
    • Macro nutrients
    • Micro nutrients
    • pH
    • Salt content
  • Crops
    • Seedlings
    • Tomatoes
    • Sweet peppers
    • Cucumbers
    • Green beans
    • Lettuce
    • Spinach
  • Crop protection
    • Diseases
    • Pests
    • Physiological disorders
  • References
  • Article list
  • About
    • Privacy Policy
    • Terms of use
Facebook Twitter
Menu
  • General
  • Systems
    • Greenhouses
      • Ventilation
      • Cooling
    • Open systems
    • Closed systems
  • Nutrients
    • Fertilizers
    • Macro nutrients
    • Micro nutrients
    • pH
    • Salt content
  • Crops
    • Seedlings
    • Tomatoes
    • Sweet peppers
    • Cucumbers
    • Green beans
    • Lettuce
    • Spinach
  • Crop protection
    • Diseases
    • Pests
    • Physiological disorders
  • References
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Article list

  • Lettuce deficiency and toxicity symptoms of macro and micro elements
  • Source of viruses in a greenhouse
  • Nutrient content of water soluble hydroponic fertilizers
  • The basic principles of a good spray program
  • Angular leaf spot
  • The effect of low intensity radiation on flowering
  • The effect of high intensity radiation on plant growth in greenhouses.
  • The effect of radiation on growth and yield
  • Basic pest and disease resistance management strategies in greenhouses
  • Understanding the greenhouse environment
  • Trellising cucumbers in greenhouses
  • How do I start a hydroponic farm
  • Understanding nitrogen dynamics during cucumber growth season
  • Optimizing income of your farm using Fibonacci
  • Fertigation of cucumbers – the basics
  • The feasibility of hydroponics as empowerment concept – and why you will fail too.
  • Solution heating of a tomato crop has limited effect on early yields
  • How to grow spinach hydroponically
  • When to harvest tomato fruit
  • Nutrient interactions: Calcium and Boron ratio
  • Seedling transplant tolerances and germination characteristics
  • Manganese levels in nutrient solution do not influence tomato growth
  • Heating nutrient solution increases growth rate of tomatoes
  • How to predict when lettuce are ready for harvest
  • Nutrient uptake of cucumbers depends on light intensity and air temperature
  • How important is the ammonium/nitrate ratio
  • Tipburn in lettuce
  • How to get good iceberg lettuce head development
  • NFT is ideal for hydroponic lettuce production
  • Onion thrips
  • What is nutrient conditioning?
  • The effect of light and temperature in plant growth (Advanced reading)
  • Increase container size for higher yields early in the season
  • Why do Green Pepper grow so slowly
  • Are organically grown vegetables better – The real truth behind it all
  • What is the nutritional value of vegetables
  • Quality of vegetable crops
  • Tomato russet mite
  • Plusia looper
  • American Bollworm
  • Common physiological disorders in cucumbers
  • Pruning cucumbers in greenhouses
  • Sweet potato whitefly
  • Red spider mite
  • Green bean fertigation – a delicate matter
  • Leaf hopper
  • Leaf miner
  • Downy mildew on lettuce
  • Sclerotinia or watery soft rot
  • Grey mould
  • Whiteflies in greenhouses
  • Septoria leaf spot a destructive tomato disease
  • Cutworm
  • Anthracnose can cause serious losses in tomatoes and lettuce
  • Bacterial spot causes injury to seedlings and adult plants
  • Fusarium wilt
  • Verticillium wilt – Verticillium alboatrum – found on all vegetable crops
  • Damping-off affects almost all seedlings
  • Bacterial wilt
  • Bacterial canker (Clavibacter michiganensis) the most destructive disease
  • Powdery mildew
  • Early blight (Alternaria solani) common fungus on tomatoes
  • Late blight – Phytophthora infestans
  • Botrytis rot or grey mould fungus – symptoms and control
  • Bacterial speck
  • Cucumber pest and disease control
  • The basics of growing cucumbers in hydroponic greenhouses
  • Trellising green beans in hydroponic bag culture greenhouses
  • Growth cracks in greenhouse vegetable fruit
  • Cat-face tomato fruit – genetic physiological disorder
  • Hollow fruit disorder in hydroponic greenhouse systems
  • Tomato fertigation in hydroponic greenhouses
  • Pruning tomatoes – a simple neglected task
  • Trellising tomato plants in a greenhouse
  • Zippering – Physiological disorder of tomato and pepper fruit
  • Tomato types available for the commercial grower
  • Blossom drop – A sure sign of stress in hydroponic greenhouses
  • Blossom-end-rot – most common physiological disorder in vegetable fruit
  • Sunscald or sun burn on vegetable fruit – sun damage that can be prevented
  • Thin spindly sick pale plants – it’s causes and solutions
  • Small fruit in crops grown in greenhouses is a sign of stress
  • Common pest and disease control for peppers
  • Fertigation of hydroponic peppers
  • Ideal temperature and humidity regime for greenhouse crops
  • Trellising hydroponically grown peppers – secret to growth optimization
  • Pruning peppers for optimum yields in hydroponics
  • Planting density of various vegetable crops in hydroponic systems
  • Scientific classification of commercial vegetable crops
  • Transplanting seedlings into growth medium – common mistakes
  • Pesticides and fungicides formulations – what every seedling grower should know
  • Seed treatment – 8 steps towards healthy seedlings
  • 9 Tips on good seedling disease management
  • Seedling irrigation and fertilization
  • Hardening off seedlings is the secret that commercial growers use for better transplants
  • 9 Simple steps to fill a seedling tray
  • Seedling growth medium – a commercial hydroponic perspective
  • Protect your seedlings from extreme temperatures
  • Basic layout of a seedling nursery irrigation system
  • The basics of producing good seedlings
  • How to design a hydroponic stock solution system
  • What is a chelate
  • 11 Tips on how to work safely with chemicals
  • Is your closed hydroponic farm correctly designed for stock solutions
  • Here is a quick way to make nutrient stock solutions for hydroponic systems
  • Fertilizer solubility is the key to the best nutrient stock solutions
  • Formulating a hydroponic nutrient solution – Part II: Micro nutrients
  • How to adjust for fertilizer impurities in hydroponic nutrient formulations
  • How to adjust for specific gravity of liquid fertilizer
  • Formulating a hydroponic nutrient solution – Part I: Macro Nutrients
  • Why is stock solutions such a popular method in open hydroponic systems
  • How to formulate a nutrient solution with complex fertilizers
  • What everybody ought to know about milli equivalent (me) and parts per million (ppm)
  • How to calculate nutrient content with atomic weight and molecular weight
  • A list of 43 important hydroponic fertilizers
  • Here is a quick way to identify macro-nutrient deficiency and toxicity symptoms
  • Hydroponic fertilizers explained
  • Water pH Explained
  • Salt content of water for hydroponic use
  • Greenhouse heating – 5 facts you should look at
  • Micro-elements – It’s role in plant growth
  • Sulphur (S) – It’s role in plant growth
  • Magnesium (Mg) – It’s role in plant growth
  • Calcium (Ca) – It’s role in plant growth
  • Potassium (K) – It’s role in plant growth
  • Phosphorus (P) – It’s role in plant growth
  • Nitrogen – It’s role in plant growth
  • How to adjust the pH in hydroponic nutrient solutions
  • pH in hydroponic nutrient solutions and its effect on nutrient uptake
  • Calculating pad and fan requirements
  • Mechanical filtration of nutrient solution in NFT hydroponic systems
  • Flow rate in gravel NFT hydroponic systems – crucial for optimal system performance
  • Serious diseases found in NFT hydroponic systems
  • How to monitor and control pH in closed hydroponic systems
  • Differential nutrient removal from hydroponic nutrient solutions
  • Refilling nutrient solutions and refilling frequency
  • Lime – a cheap way to reduce greenhouse temperatures
  • Insect screens in greenhouses – effective biological control
  • Thermal screens greenhouse cooling – are they effective
  • Evaporative pads – maintenance in commercial hydroponics
  • Cooling a greenhouse with evaporative pad-and-fan
  • Cooling a greenhouse with fogging nozzles
  • Natural ventilation in humid regions.
  • Natural ventilation of single span tunnels in arid regions.
  • What is natural ventilation
  • What is the difference between LDPE and HDPE Irrigation pipes
  • Which hydroponic irrigation pumps should be used
  • Cheap inline sediment filter that works
  • Simple method to keep hydroponic NFT nutrient tanks clean
  • What is the optimum gravel depth for hydroponic channels
  • How to lay out a dripper irrigation system
  • Calculating the correct flow rate for open hydroponic systems
  • Manage the root temperature in growth bags for optimal growth
  • How to mix fertilizers in a nutrient tank
  • Nutrient tank design with pumps and filters
  • Small nutrient tanks vs. large nutrient tanks
  • Position of hydroponic nutrient tanks and catch-up tanks
  • How to install dripper irrigation on sloped land
  • The secret of successful plastic gullies in closed hydroponic systems
  • How to prevent blocked drippers
  • Closed hydroponic systems – the basics
  • Open hydroponic systems – the basics
  • Which cladding should be used for greenhouses
  • Greenhouse size – Important factors to take into account
  • Greenhouse structure – what works
  • 5 Important facts about greenhouse design that you should know
  • Greenhouse location – four important fact to consider
  • What type of crops are suitable for hydroponics
  • Advantages and disadvantages of hydroponics
  • What is hydroponics

Keywords

Bacterial canker Bacterial wilt BER Botrytis Calcium closed systems Cooling Designs Drippers Early blight Fertilizers Filters Flow-rate fruit Fungus General Greenhouses Gullies Heating Humidity Insects Irrigation Late blight Light Location Micro-elements NFT Nutrients Open systems Organics Peppers pH Physiological disorders Powdery mildew Pruning/Trellising Pumps Quality radiation Roots Seedlings Stock solutions Structures Tanks Temperature Ventilation

Recent articles

  • Source of viruses in a greenhouse
  • Nutrient content of water soluble hydroponic fertilizers
  • The basic principles of a good spray program
  • Angular leaf spot
  • The effect of low intensity radiation on flowering

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Keywords

Bacterial canker Bacterial wilt BER Botrytis Calcium closed systems Cooling Designs Drippers Early blight Fertilizers Filters Flow-rate fruit Fungus General Greenhouses Gullies Heating Humidity Insects Irrigation Late blight Light Location Micro-elements NFT Nutrients Open systems Organics Peppers pH Physiological disorders Powdery mildew Pruning/Trellising Pumps Quality radiation Roots Seedlings Stock solutions Structures Tanks Temperature Ventilation

Recent articles

  • Source of viruses in a greenhouse
  • Nutrient content of water soluble hydroponic fertilizers
  • The basic principles of a good spray program
  • Angular leaf spot
  • The effect of low intensity radiation on flowering

Recommended Book

Most read posts this week

  • How to grow spinach hydroponicallyHow to grow spinach hydroponically (27,983)
  • How do I start a hydroponic farmHow do I start a hydroponic farm (20,158)
  • Planting density of various vegetable crops in hydroponic systemsPlanting density of various vegetable crops in… (15,602)
  • Pruning cucumbers in greenhousesPruning cucumbers in greenhouses (14,340)
  • Formulating a hydroponic nutrient solution - Part I: Macro NutrientsFormulating a hydroponic nutrient solution –… (13,103)
  • What type of crops are suitable for hydroponicsWhat type of crops are suitable for hydroponics (11,824)
  • How to adjust the pH in hydroponic nutrient solutionsHow to adjust the pH in hydroponic nutrient solutions (11,068)
  • What is the difference between LDPE and HDPE Irrigation pipesWhat is the difference between LDPE and HDPE… (9,623)
  • Greenhouse structure - what worksGreenhouse structure – what works (9,344)
  • Lettuce deficiency and toxicity symptoms of macro and micro elementsLettuce deficiency and toxicity symptoms of macro… (8,892)
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