Why do plants grow well in volcanic soil?

These minerals include sulfur, potassium, and phosphates, which plants often have a hard time getting. When combined with heavy rainfall, volcanic soil becomes very fertile, or good for growing plants.

Is volcanic soil good for plants?

By adding volcanic rock dust back to the soil, it makes it accessible to plant roots as soon as they make contact with it. As the rock continues to break down, additional nutrients are made available to the plant roots. Thus, guaranteeing them a consistent supply of nutrients.

How does volcanic ash help plants grow?

Volcanic ash, the fertilizer reserve

Tephra (the scientific name of volcanic ash) contains primary minerals which have abundance of nutrients. Over time, chemical and biological weathering, the ashes will release the nutrients and the ash will increase its surface area, enable them to hold more nutrients and water.

What grows well near volcanoes?

Gardeners, Vermeulen points out, think highly of mineral-rich volcanic soil additives but volcanic ash lacks one crucial element: nitrogen. The people around the volcano grow a variety of crops, such as rice, corn, and cassava.