Cannabis Plant Nutrition

The Dangers of Calcium Deficiency in Cannabis Crops

When environmental conditions reduce transpiration, Ca delivery to young tissues can be restricted, even when sufficient Ca fertility is available, leading to structural (and financial) instability.

Feel the (Cannabis Leaf Margin) Burn

Leaf margin burn can mean a variety of things when presenting in cannabis plants. Here’s what you need to know.

When Less Is More: The Harms of Overfertilizing Your Cannabis Plants

Research shows that plants absorb excess nutrients even when they're not needed (called ‘luxury consumption’), which can even inhibit uptake of other nutrients. Learn how to meet plants’ needs while avoiding problems and saving money in the process.

Yellowing Leaves?

Here are the N needs of cannabis plants for each life stage, from rooting to flowering.

How to Diagnose and Correct High Electrical Conductivity (EC)

Learn to prevent and manage elevated EC levels to stave off stunted growth, leaf damage and eventually plant death.

How Much Potassium Does Cannabis Really Need?

North Carolina State University researchers explore how various rates of potassium impact plant growth. Initial results show K levels for ideal fertility may be lower than industry standards.

What’s in Your Water?

Regular tests for key chemical elements can help growers avoid nutrient problems and proactively adjust fertilizer programs when needed.

‘Practical, Pragmatic Demystification of Good Stewardship’: Q&A With East Fork Cultivars’ Mason Walker

The CEO and co-owner of the Southern Oregon cannabis and hemp business dives into regenerative growing.

EPA Approves Finalsan for Use in Hemp

Finalsan can be used any time of the year, even in cool weather, and leaves no harmful residue in the soil.

4 Questions to Ask When Investigating Plant Problems

Patterns, timelines, and more can provide important clues to help diagnose diseases, deficiencies, and damage from pests.

Why Measuring Manganese Matters

North Carolina State University researchers explain how to optimize growth using this micronutrient, which plays a key role in photosynthesis.

5 Tips to Improve the Reliability of Hydroponic Growing

Hydroponic growing can optimize plant growth by exact control of nutrient availability and root environment, while also conserving fertilizer and water.

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