In addition, eating a larger variety of fruits and vegetables means that you are getting plenty of disease-fighting phytonutrients (plant-based nutrients) and antioxidants.

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Compost added to soil replenishes the nutrients and promotes plant growth.

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The company stockpiles the topsoil which contains the nutrients, organic debris and plant seeds that are stripped away during mining.

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It requires coaxing the plant into soaking up pollutants instead of nutrients.

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Beans are one of the healthiest starch options, as they are very good sources of fiber, contain healthy plant-based protein and are packed with nutrients and anti-oxidants.

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And plant breeders tend to raise cereals which maximise calories, not nutrients.

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In fact, this process is comparable to the use of fertilizers in agriculture, i.e. adding nutrients that are found to be lacking in the local environment to stimulate plant growth, in this case phytoplanckton that form the base of the marine food-chain.

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In terrariums, people use any plant that survives well in enclosed areas, including succulents, air plants -- plants that receive their nutrients from the air -- palms and begonias.

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