Science Alive! Episode 9: Soil Science

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It surrounds us, and sustains us. It is probably Canada’s biggest natural resource - and yet the one that we ignore the most. On this episode of Science Alive, ‘dig in’ to soil science with the Canada Agriculture and Food Museum! In the video - learn how you can build an automatic green bin. It sits right inside your house or apartment - and makes soil… The secret? Worms.

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wouldn't it be great if somebody built

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an automatic green bin just toss in

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scraps and it turns into soil playing

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with worms on this edition of science

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alive and we're with Renee cloud Goulet

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here at the canada agriculture and food

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museum what's in this bar and if box we

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have some word beautiful worms how many

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worms you think are in there I'll

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probably thousands easily okay and what

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are the worms eating the worms are

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eating some rotten food they're eating

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some vegetable and fruit peels some

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stems some seeds all kinds of things

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from the table scraps right so the idea

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is you would take a box like this put it

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somewhere in your home mm-hmm fill it

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with worm that's right and where do you

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the worms from well I got the worms off

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the internet off of kijiji but you can

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get them in your garden now what you're

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looking for is actually some tiny tiny

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worms like this I don't know if you can

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see it here it's on the edge we're

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looking for red rigler worms right not

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the big big chunky worms like the

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fishing worms were used to seeing and

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you can put this box anywhere in your

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home that's right usually you want to

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keep it in the dark and the worms don't

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like the light so they'll hide away you

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want to put this in the cabinet or a

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cupboard under the sink and feed it

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every time every week about whenever

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there's no more food for them to eat

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when they've eaten everything out right

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add some more so you'll be able to go

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and just take open take the lid off the

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box and look in and realize all that

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food you put in there is gone exactly

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and turn into this rich compost here you

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see this this you can put them your

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garden it'll feed your plants this is

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compost tea this is the juices that leak

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out of the box and you can water your

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plants with this you have to dilute it

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because it's extremely rich in nutrients

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for plants and this will be like a

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natural fertilizer and we call this an

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automatic green box because well the

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worms here do all the work you basically

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never have to empty it you have to

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harvest the compost every once in a

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while but this takes quite a while to do

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this box is about two years old and I've

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never emptied it yet I love to dig my

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hand in and just see it like how many

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worms there are in here it's crazy I see

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you have a little handful here you

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probably have about 15-20 worms and

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there you

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sleep so I'm just gonna add some things

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today yeah okay okay we're gonna put

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some tea bags right uh some coffee

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grounds get the warm is nice and hyper

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yep they love this stuff they love

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coffee you love coffee believe it or not

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some grape stems Kiwi skin some rotten

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old tomatoes banana peel well as you can

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see in my tray I am NOT going to put the

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citrus peels like grapefruit and lime

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worms don't really like that it changes

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the acidity of their environment and it

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makes it unpleasant for them right and

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things like bread and bakery products

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they're going to grow the wrong kind of

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organisms you're going to get a lot of

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little white worms and it's going to

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start stink being stinky as well and you

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want to avoid any meat products so

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everything except meet citrus and bakery

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products is good to go now every time

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you add some food in there you also want

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to add some dry carbon material stuff

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that doesn't rot so in this case here

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we've got some some egg cartons yeah and

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this is going to balance it out and make

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sure the worms have everything they need

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to live so if you want to do this at

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home all you need is two bins of the

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same size you drill holes in one of the

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bins so that the liquid can drip out

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sometimes worms will come out to you

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have to check and rescue the worms that

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came through add them back in but that

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liquid that trips down there that's

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exactly what I was holding up earlier

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cool renee code Goulet and her automatic

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green box thank you for telling us about

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it you're welcome this was science alive

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