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Welcome to Getting Dirty. At least once a week, we publish articles exploring everything from simple explanations of plant and soil science; through design concepts such as composition and colour theory; to profiles of plants and construction materials.

If you’re new to plant and soil science, read this article first.

Let’s Get Dirty!


To find a specific article, filter by category or search Getting Dirty.


Core science Duncan Knowles Core science Duncan Knowles

Movement in plants

A brief discussion of the three main ways in which water, nutrients and gases move within plants, being mass flow, osmosis and diffusion; and of when and why particular substances move in the way that they do.

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Core science Duncan Knowles Core science Duncan Knowles

More chemistry

An overview of the difference between inorganic and organic chemistry, and how both are relevant to understanding plants and their environment, including a summary of some of the most important types of organic molecules found in plants.

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Plant anatomy Duncan Knowles Plant anatomy Duncan Knowles

Types of tissue

The first intermediate level article on Getting Dirty, looking into the difference between plant and animal cells, and the four main types of tissue in plants: meristem, dermal, vascular, and ground tissues.

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Introduction Duncan Knowles Introduction Duncan Knowles

Further reading

A list of resources used in researching articles for Getting Dirty, including books, pamphlets, newsletters, academic articles, websites and YouTube channels.

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