Foliar Sprays in Hydroponics: What Actually Enters the Plant?
Foliar feeding occupies a paradoxical space in hydroponic cultivation. Growers routinely spray nutrients on leaves expecting rapid correction, yet the science reveals a much narrower window of utility. The plant…
Read More
Bio-stimulants: Which Pure Compounds Have Reproducible Effects
If you have been exploring ways to improve crop performance in your hydroponic system, you have likely encountered the term “bio-stimulants.” The market is flooded with products making bold claims,…
Read More
Thiamine as a biostimulant in hydroponic and soilless systems
Vitamin B1 (thiamine) is one of those additives that has circulated through the hydroponic community for decades, but the science behind its actual effects on plant growth has remained somewhat…
Read More
Exogenous Sugar Applications: A deeper look
The application of external sugars (sucrose, glucose, fructose) to adult plants has generated interest as a potential biostimulant strategy, with research revealing complex concentration-dependent effects that range from beneficial to…
Read More
Ascorbic Acid as a Biostimulant: Alleviating Stress to Improve Yield and Quality in Hydroponic Systems
The search for sustainable biostimulants to enhance crop productivity has led researchers to investigate ascorbic acid (vitamin C) as a promising alternative to synthetic growth regulators. This natural antioxidant compound…
Read More
Organic Sulfur Foliar Sprays: Beyond Sulfate Salts for Hydroponic Crops
Most hydroponic growers think of sulfur supplementation strictly in terms of sulfate salts like magnesium sulfate or potassium sulfate. However, plants can also utilize reduced organic sulfur compounds that offer…
Read More
Creating an Effective “Greener” Foliar Spray from Raw Salts to Combat Yellowing in Productive Crops
Yellowing in productive crops represents one of the most common symptoms growers face when nutrient availability becomes limiting. While root zone nutrition remains the foundation of crop feeding, foliar applications…
Read More
Using Glycine Betaine as a Biostimulant
Glycine betaine is a biostimulant that has been explored for stress mitigation and quality enhancement in hydroponic and soilless culture. However, there is substantial confusion about effective concentrations, application methods,…
Read More
Methods to Enhance Terpene Production
Introduction Terpenes are a large and diverse group of natural compounds that constitute the most abundant class of plant secondary metabolites. These volatile organic compounds play critical roles in plant…
Read More
Exogenous Terpenes in Agriculture: Can External Application Improve Crop Performance?
Terpenes are among the most diverse and abundant secondary metabolites produced by plants. While these compounds are well known for their roles in plant defense and stress responses, recent research…
Read More