Guy Sela
Articles by Guy Sela
Achieving Plug Plant Perfection
Plug plants production present many challenges to growers. Seedlings are sensitive, plug volume is small and any mistake might cause...
Understanding the Five Most Important Parameters on Your Soil Test Report
Considering sending your soil off to get tested at the lab? Good idea! Professional soil testing is highly recommended as it is more...
How to Manage Soil Fertility
From an agricultural point of view, a fertile soil is one that can provide adequate amounts of nutrients to the garden to ensure optimal...
The Future of Maximizing Yields: Combining Research and Big Data to Optimize Fertilization
With a rapidly growing population, humanity is facing the challenge of how to feed itself in a sustainable way.
Water Wisely: Irrigation Scheduling in Soilless Culture
Proper watering practices are vital to the health and well-being of your plants. Both overwatering and under-watering can cause a whole...
Growing for Health: Fertilizer Recommendations
So, the results of your soil test are in and it’s time to tweak the routine. It’s likely you’ve received a few suggestions on how to amend...
Evaluating the Electrical Conductivity of Water
The electrical conductivity of water is actually a measure of salinity. It’s important to monitor its levels in your water supply because...
The Essential Plant Nutrients
Certain nutrients are required for the growth of most plants. Guy Sela explains.
How to Prevent Clogging of Emitters in Drip Irrigation
A micro-irrigation system should be properly planned and managed in order to fully benefit from its many advantages. One of the main...
A Guide to Foliar Feeding
Many growers believe that foliar feeding is favorable over soil application and it is associated with higher yields and better fruit...
Understanding PPM in Soil
The over-used expression, ppm, is short-hand for parts per million, and it’s one of the most common items that shows up on soil test...
Magnesium in Soil
Magnesium deficiency, like any deficiency, leads to a reduction in yields. Read on to discover why this element is so important to have...
Feeling Low: Problems with Acidic Soil
Many growers have a problem of low pH in their soil or growing media. Some soils are acidic by nature and, in other cases, low pH is the...
Preventing the Negative Effect of Water Salinity on Soil
Salt buildups lead to imbalanced concentrations, so it’s important to know the amount of water you need to add as a leach.
Choosing Chlorine Chemicals for Water Disinfection
There is more than one type of chlorine chemical out there, and each comes with its own set of pros and cons when it comes to disinfecting...
Getting the Right Ammonium to Nitrate Ratio
Nitrogen is one of the three most essential plant nutrients, and plants absorb this element in either the ammonium or nitrate forms. Giving...
Cations and Anions: Is Your System Balanced?
Balance has a number of different meanings when it comes to your system’s water, nutrient solution and soil. One example is the...
Can Mineral Nutrition Affect Plant Disease?
The use of chemicals on plants raises environmental and food safety concerns, as well as creates economical consequences. The good news is...
How to Successfully Choose Growing Media
Choosing the right growing medium for your crop is crucial to a great yield. Here, Guy Sela runs through all your choices of media...
Preparation of Fertilizer Stock Solutions for Hydroponics
Stock solutions are time- and labor-saving liquids that also offer gardeners a lot of control. Here’s how to go about making your own.
Irrigation Water Quality
All the care you take to ensure the health of your plants will have gone to waste if you give them poor-quality water to drink—Guy Sela...
Plug Plants: Testing and Monitoring Their Nutritional Status
Guy Sela takes us through nutritional testing and monitoring procedures for those tiny precious seedlings.
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