What Are Natural Fertilizers? - Examples & Overview

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  • 0:00 The Complexity of Soil
  • 0:31 Nutrients in Short Supply
  • 0:59 Natural Fertilizers
  • 1:22 A Hidden Treasure of Nutrients
  • 1:53 Difference Between…
  • 2:30 Lesson Summary
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Lesson Transcript
Instructor: Laura Nappi
In this lesson you will learn about natural fertilizers and how they can stimulate plant growth when added to soil. Examples are given to aid your understanding. At the end, take a quiz to test your knowledge.

The Complexity of Soil

Everyone knows that plants need soil to grow. But what exactly is in the soil that makes plants thrive? Imagine you are holding a teaspoon of soil in your hand. Seems like it would be boring to examine it, right? But if you zoomed in, you would see that soil is complex and absolutely fascinating. This tiny teaspoon of soil contains inorganic minerals, millions of bacteria, and nutrients. These nutrients are gobbled up as plant food and serve as a foundation for life on Earth.

Nutrients in Short Supply

Gardeners and farmers quickly learn that healthy soil is crucial in growing a bountiful harvest. One major ingredient for healthy soil is nutrients. These include nitrogen, phosphorus, and potassium. Typically, nutrients are in limited supply in the soil, and this can inhibit plant growth. Plants are desperate for these nutrients. That is why when planting season arrives, farmers and gardeners often amend the soil with natural fertilizer.

Natural Fertilizers

Natural fertilizer, also known as organic fertilizer, is an organic substance added to soil that contains vital plant nutrients, such as nitrogen, phosphorus, and potassium. When natural fertilizer is added to soil, it acts like a miracle food, stimulating plant growth. Plants slowly uptake nutrients, incorporating them into their growth and reproduction.

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