Article list -

Lettuce deficiency and toxicity symptoms of macro and micro elements
Cotton aphid – Aphis gossypii
Greenhouse white fly
Pythium and Phytophthora root rot in closed hydroponic systems
Understanding tomato taste and flavour
The relationship between temperature and growth in greenhouses.
Spread of viruses in greenhouses
The relationship between acid and sugar content in the taste of fruit.
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