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An Expert Speaks on the Dangers of Monoculture

Biodiversity versus Monoculture

I watched a presentation the other night that talked at length about the importance of biodiversity in creating a sustainable food supply.  A rich diversity of plant, insect, and animal life is key in creating an environment where food can grow plentifully without synthetic chemical pesticides, herbicides, and fertilizers.  But the promise of biodiversity is continually threatened by the dangers of monoculture that we see in today’s agricultural industries.

I was reminded of this simple explanation that Michael Pollan gave in the film Vanishing of the Bees.  He explains that while monoculture might look simple – it’s actually a very complex proposition to fight so hard against the logic and laws of nature…

Monoculture Works Against the Logic of Nature

You might look at a field of corn and think, “that can’t be too hard – that farmer only grows one plant.”  But in reality, that farmer has to work overtime to create a false superstructure in the soil to support that one plant.  The tools that the farmer uses for this work are manufactured synthetic chemicals and heavy machinery.

Ironically, the tools that are used to strip away the natural biodiversity of the field are the same tools that are used to replace it.  In a modern corn field, synthetic chemicals are used to kill off every species of plant except corn (all other plants are “weeds”).  And then some other synthetic chemicals are used to replace the chemical and biological elements that those “weeds” would likely have provided.

We know that these methods are detrimental to the land itself, detrimental to all species of life that live on the land, and detrimental to the health of anyone who eats from the land.  At what point do we stop and ask ourselves, “What if we just leave the weeds there?”  Do we really need to accept the dangers of monoculture?

Read more: Monoculture and Bananas

The Dangers of Monoculture on a Global Scale

In this movie clip, Mr. Pollan talks specifically about the effects of monoculture on bee populations, because bees have an important role in growing much of our food, and the collapse of bee populations is a direct threat to our food supply.  But they’re certainly not the only life that suffers as a result of monoculture.

As scientists learn more about the microscopic life within the soil, we are getting a clearer picture of the impact that chemical-supported monocultures have on our environment – from the tiniest microbes all the way up to the apex predators (that’s you).

Read more: How to Rescue a Honeybee

Creating Biodiversity All Around Yourself

At the presentation that I mentioned above, the presenters weren’t talking about big farms or industrial agriculture… they were talking about lawns.  Small plots of land inside cities and suburbs, where one person can decide what plants will be allowed to grow on the land.  Your yard may be pretty small in the grand scheme of things, but it’s the absolute best place for you to make an immediate impact on the biodiversity of your environment.

If you take the time to do a little research, you’ll likely find that the weeds in your yard are useful, edible, or medicinal.  There are some good examples here: Try These Wild Spring Greens Popping Up in Your Yard.

So, think about planting some pollinator gardens this summer.  Leave the edges and corners of your yard to grow wild if you can, and think twice before you spray a chemical to kill a weed.

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COMMENTS(6)

  • Steven Norris says:

    I just brought 35 acres, and still trying to see what all vegetable to grow, great weather all year round in Washington State, my question is if I started a small area of bee hives, how can I make sure there will be no Africa bees,

    Thanks

    1. There are no Africanised bees this far north so just be sure that your source of bees is free of contamination.

      Welcome to Washington State.

    2. Sandy says:

      Best wishes on a verdant property and many generations of happy bees! We are a few years into developing our land, a much smaller parcel in zone 3. We have done some planting, and are very alert to what will grow well here with an eye to having the longest possible blooming year in an area with a 76 day official growing season. Until we have sufficient plantings established to support hives, we remain very alert to sightings of wild bees, and after a few introductory experiences they seem to have accepted us as allies. Due to very variable weather, blooming time for established wild plantings of trees, berries, wildflowers and herbs is not consistent with “our” calendar. This is the first spring in the five we have lived here that juneberries bloomed in May rather than in April, probably due to several cycles of warm days followed by hard freezes into early May. As a result, the wild bees laid low or possibly sequentially perished until late May. Jacqueline Freeman has been featured a few times in the Grow Network presentations. She offers an enormous treasury of knowledge about helping bees thrive. Keeping bees will be an important part of the the deep lessons that will contribute to honoring and vitalizing your land. Have a magnificent time!

  • Gina Bisaillon says:

    The neighbours won’t put up with my wild front lawn, but thankfully my back yard – which I call my “meadow” is a fantastic mixture of plants and I let most of it do its thing.

  • When I first transplant my tomato plants their roots are not extensive enough to support the biology of the soil so I let some of my favorite weeds grow around them then cut the weeds at the soil level when I harvest them for greens. That way the soil organisms are there to support the tomato as its roots take over the root zone of the harvested plants.

    1. Sandy says:

      Interesting outlook, Hans. I just planted some comfrey today, first clearing away rhizome grass, creeping charlie and some of the other weeds that tend to smother what I plant. I usually spot a few small clumps of chickweed, self-heal and plantain six to eight inches out from what I have planted to start a living mulch and surround this little colony with a thick mulch of straw or leaves. Some field mustard inevitably shows up, and I can easily park a few lamb’s quarters in there and a little more of everybody else with a future lunch in mind!

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