Sustainability in plant nutrition: healthy plants, large yields

Have you considered the nutrient source you are feeding your plants? There are many things to consider when planning your grow strategy, and nutrients play a significant role in the success of your plan. The two primary sources of fertilizer or nutrients are organic or synthetic. It can be further broken down as either plant or animal-sourced nutrients, and deciding whether to use plant or animal-based products can be based on price, plant yields, absorption rates, your personal preference, or any combination of criteria. Sustainability may not play a part in your decision, but maybe it should. Let's examine the most recent research to get to the heart of plant nutrition basics around sustainability.

What are plant nutrients?
Plant nutrients provide crops with vital nutrients required for optimal health. According to Wikipedia, a fertilizer is any material of natural or synthetic origin applied to soil or plant tissues to supply plant nutrients. With the popularity of indoor growing and hydroponics, the demand for plant nutrients has bloomed. 

Plant or animal-based?
There are numerous sources of organic-based nutrients. The organic nature of plant nutrients means they must come from living things, typically animal or plant waste.

Most fertilizers or nutrients clearly indicate the source on product packaging. Whether it is bat guano, fish fertilizer, or kelp meal, it is pretty easy to determine the source. Bat guano is, as it sounds, manure derived from bats. Fish fertilizer is fish remains that have been broken down, and kelp meal is processed seaweed. 

Nutritional options
Plant nutrient supporters point to compounds within fertilizers like amino acids that mimic the plants you are feeding. Many growers support organic farming for environmental reasons; using plant-based fertilizer leaves a greener footprint and does not support factory farming of animals.

To determine whether animal or plant-based fertilizers are more beneficial, they need to be compared at the plant level. First, examine which source provides the most bioavailability of the nutrients - meaning how much nitrogen your plants absorb versus how much you feed them. 

Sustainability in growing
Researchers at the University of Oxford published a study on sustainability, and it is one of the most comprehensive analyses to date of the destruction our current farming practices are inflicting on the planet. The researchers advocate avoiding animal products entirely to lessen greenhouse gases and end factory farming of animals. They also recommend vegan or vegetarian diets for humans to save the planet and reduce our environmental impact on the planet. 

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