NIR Devices for Leaf Tissue Mineral Analysis
Traditional leaf tissue analysis can cost 50 to 150 USD per sample and take weeks to complete, forcing growers to make nutrient decisions based on outdated information. Near infrared (NIR)…
Read MoreOxygenation of Nutrient Reservoirs in Substrate-Based Soilless Crops
When growers new to hydroponics start working with soilless systems, one of the first questions that comes up is whether they should be actively aerating their nutrient solutions. Air stones…
Read MoreTop 5 Open Source Hardware Tools to Boost Your Hydroponic Yields
The equipment you use to monitor and control your hydroponic system can make or break your crop quality and yields. Commercial systems often cost thousands of dollars, putting precision agriculture…
Read MoreGrowing Soilless Crops Without Nitrates: Practical Options When Nitrate Salts Are Unavailable
For growers in regions where geopolitical conflicts or economic constraints limit access to nitrate fertilizers like calcium nitrate and potassium nitrate, the question arises: can you grow hydroponic or soilless…
Read MoreUsing Portable Low-Cost Chlorophyll Sensors to Assess Plant Health and Improve Crop Quality in Hydroponics
When you grow plants hydroponically you become responsible for delivering the exact amount of every essential nutrient. Getting nitrogen right is particularly challenging since plants can require dramatically different amounts…
Read MoreThe Problems with Brix Analysis of Sap in Crops
Brix analysis, the measurement of soluble solids in plant sap using a refractometer, has gained popularity as a quick field test for assessing plant health and crop quality. The method…
Read MoreComparing Nutrient Solutions for Hydroponic Strawberry Production
Getting the right nutrient solution for strawberries in hydroponics can feel like trying to solve a puzzle where every piece matters. Unlike many crops where you can get away with…
Read MoreComparing Nutrient Solutions for Hydroponic Tomatoes
When growing tomatoes hydroponically, one of the most critical decisions you’ll make is choosing the right nutrient solution. The composition of your nutrient solution can dramatically affect both the quantity…
Read MorepH vs Nutrient Availability: Rethinking the Classic Charts
If you’ve been around hydroponics long enough, you’ve probably seen the ubiquitous “pH vs nutrient availability” chart. It usually looks like a series of colored bars, each showing how available…
Read MoreCan you manage downy mildew in hydroponic basil with organic foliar sprays?
Basil downy mildew, caused by the obligate oomycete Peronospora belbahrii, has become one of the most serious diseases affecting hydroponic and greenhouse basil production globally. The pathogen, first documented in Europe…
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