Phosphorus Sources- fish meal, composted manure, bone meal, rock phosphate and bat guano

Organic Sources of Phosphorus and Their Application Methods

In our series on essential nutrients for cannabis, we’ve explored the critical role phosphorus (P) plays in plant health, from supporting root development to enhancing flower production. Phosphorus is especially important during the flowering stage, making it a key focus for cannabis growers aiming to maximize yield and potency. In this post, we’ll dive into …

Managing Phosphorus, deficiencies and excess in Cannabis Cultivation

Managing Phosphorus Deficiencies and Excess in Cannabis Cultivation

While phosphorus is a vital macronutrient, like all nutrients, it must be present in the right quantities. Too little or too much phosphorus can lead to significant issues that negatively impact plant health and yield. In this post, we will dive into the problems associated with phosphorus deficiencies and excesses in cannabis cultivation, and how to address these issues effectively.

Elemental Blog Graphic-phosphorus in cannabis testing

The Importance of Phosphorus in Plant Health

As one of the core components of the famous N-P-K ratio, phosphorus plays a crucial role in various biological processes that are fundamental to the health and productivity of cannabis plants. In this post, we will explore why phosphorus is so important for cannabis, how it affects plant development, and the key roles it plays throughout the growth cycle.

Blog Post Graphic for Excessive and Deficient Levels of sulfur in Cannabis Cultivation

Issues with Excessive and Deficient Levels of Sulfur in Plants

In our last post, we talked about why sulfur is important for plant health [link]. But just like with any nutrient, too much or too little sulfur can cause problems. Today, we’re going to break down what happens when sulfur levels get out of balance, and some of the most common causes. Let’s dig in!

Elemental Blog Graphic for Sulfur in cannabis testing

Overview of Sulfur and Its Role in Plant Health

Sulfur is a naturally occurring element that’s found in soil, air, and water. It’s considered a secondary macronutrient, which means plants need it in smaller amounts than nitrogen, phosphorus, and potassium—but it’s still vital to their growth and overall health.

Arvum Blog Post Graphic for Excessive and Deficient Levels of Calcium in Cannabis Cultivation

Issues with Excessive or Deficient Levels of Calcium in Plants

Calcium is crucial for your plants because it helps build strong cell walls, supports root growth, aids in nutrient transport, and protects against diseases. But just like anything else, balance is key. Based on our years of research, the target ppm ranges for Calcium (Ca) in the Veg and Flower stages are as follows: