Tipburn in lettuce
Tipburn in lettuce has been a problem since the first farmer planted lettuce. Any grower will at some stage have the problem occur to some...
Category Archives: Crops
Not all crops are suitable for commercial hydroponic systems. Most plants however can be grown hydroponically for fun.
How to get good iceberg lettuce head development
An iceberg lettuce head that is solid will always sell. Just watch people buying lettuce, they always feel the compactness of the heads first and...
Lettuce deficiency and toxicity symptoms of macro and micro elements
It is often quite difficult to identify a deficiency or toxicity symptom in the field because they never really occur as a single element deficiency...
NFT is ideal for hydroponic lettuce production
Lettuce was cultivated in 4500 B.C. in the Mediterranean basin. Only in 1543 was the first know head lettuce produced in Europe. Lettuce was first...
What is nutrient conditioning?
Nutrient conditioning is the process of managing the nutrient content of seedlings in the nursery for optimal growth when they are transplanted. This sounds easy,...
The effect of light and temperature in plant growth (Advanced reading)
Light and temperature are two crucial factors in greenhouse hydroponics. Plants use a very small range (only about 5% of visible light) in the total...
Increase container size for higher yields early in the season
This is all about getting higher yields early in the season when you can get higher prices. It’s about going into the market with a...
Why do Green Pepper grow so slowly
If you have grown peppers with other crops, you might have noticed that green peppers grow slower than most others. Even the seedlings take about...
Common physiological disorders in cucumbers
Physiological disorders caused by low temperatures Low temperatures injury only occurs with fruit that are in storage (either in transit or in storage rooms). Small...
Pruning cucumbers in greenhouses
Selecting a cucumber pruning system The question arises which system should be used. Each system has its advantages and disadvantages according to the ability and...
Green bean fertigation – a delicate matter
Green bean fertigation must be controlled carefully since they are extremely fast growing. There are pro’s and con’s of fast growing crops. An advantage can...
Cucumber pest and disease control
Never use chemical that are not registered by your local Department of Agriculture. A range of chemicals that can be used on cucumbers are provided...
The basics of growing cucumbers in hydroponic greenhouses
Establishing the cucumber crop Cucumbers are tropical plants. In order to grow optimally a tropical environment should be created. This implies that temperatures should not...
Trellising green beans in hydroponic bag culture greenhouses
Trellising green beans is actually quite easy compared to tomatoes and cucumbers. One thing is sure, you have to trellis the plant. Although it is...
Tomato fertigation in hydroponic greenhouses
Tomato fertigation is a complex subject in hydroponics. It is climate sensitive and everybody has an opinion of what works. The point is, tomatoes are...
