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What are Cover Crops

What are Cover Crops

Released Sunday, 16th April 2023
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What are Cover Crops

What are Cover Crops

What are Cover Crops

What are Cover Crops

Sunday, 16th April 2023
Good episode? Give it some love!
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Episode Transcript

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0:07

What's up world? Welcome back to another episode of Just Grow at the podcast.

0:11

I'm your host, Big City Gardner. And today we're talking cover crops.

0:16

Let's get to it. Are you looking for a way to improve your soil quality,

0:21

improve the nutrients in your soil,

0:23

improve the water retention of your soil all while making sure that the soil microorganisms are happy and thriving.

0:31

Well, if you're looking to do that, then look no further than cover crops.

0:36

So what are cover crops? Cover crops are completely different than any other type of crops.

0:42

Other crops are either cash crops or crops that you grow with the intention of eating.

0:48

That is not what cover crops are. Cover crops are grown for the health and benefit of our soil.

0:55

Cover crops are something that we plant in our garden to make sure that we do not have any bare soil.

1:01

Because if you leave soil, bare and exposed to the elements,

1:05

what ends up happening is you wash away a majority of your nutrients and kill a lot of the soil microbiology.

1:12

The main benefits of cover crops are to help prevent erosion and nutrient loss from the soil think of cover crops as a form of living mulch.

1:22

Now, we all know that mulch helps regulate the temperature of the soil.

1:27

It helps feed the soil as it breaks down.

1:31

It helps feed the microorganisms within the soil.

1:36

It also helps keep the soil from being exposed to the elements.

1:40

Well cover crops, do the exact same things and more cover crops also help smother weeds,

1:47

control pest control disease and help your soil retain moisture.

1:53

Not to mention that cover crops will also help increase the biodiversity within your garden or farm.

2:00

So how do cover crops work every time we plant something in our garden,

2:06

whether it be tomatoes, radishes,

2:08

beets, carrots, lettuce,

2:10

it doesn't matter. It is drawing nutrients from the soil.

2:15

Each crop will draw a different nutrient from the soil.

2:18

After we harvest our crops, we need to make sure that we are returning the nutrients back to the soil.

2:24

And that's something that you get from cover crops.

2:27

Now, there are many different type of cover crops that you can plant in your garden.

2:32

How do you know which ones to plant? Well,

2:34

it depends on what time of year you're planting these cover crops and it depends on what you grew in the bed right before you plant these crops.

2:42

Each cover crop can help revitalize a specific type of nutrient within the soil.

2:48

So when people use the term cover crop,

2:51

they're talking about more than one type of crop.

2:54

Now the cover crop you decide to plant also is determined by how long you plan on leaving it in your garden.

3:01

If you plan on leaving this cover crop for a long period,

3:04

then you should be planting a small cereal grad.

3:08

I'm talking oats rice barley or other grains like that.

3:12

If you plan on cover cropping for a short period of time,

3:15

then we need a fast maturing green cover crop.

3:19

These quick growing cover crops will help out compete the weeds in your garden.

3:23

Example of quick growing cover crops are things like buckwheat and peas.

3:28

Now, one of the secrets when it comes to cover cropping is to make sure you allow the plant to mature as long as possible,

3:36

but you wanna make sure you get to it and cut it down before it creates its seeds.

3:42

Because if we allow the seeds to form those seeds will fall,

3:46

plant will self seed and then you end up in a cycle that you definitely don't wanna be in.

3:51

So since cover crop is the equivalent of a living mulch at some point in time,

3:56

we're gonna have to kill this cover crop.

3:58

This is part of how we help reinvigorate our soil.

4:02

Now, here are the three main ways that gardeners kill their cover crop.

4:06

And when I say kill, I mean, purposely kill,

4:10

you can mow it down, you can grab your weed eater and just chop it down or you can grab a big pair of loppers and cut it all down after we plant the cover crop.

4:21

At some point in time, we're going to have to kill it.

4:24

Now, I know that may sound bad, but hear me out,

4:28

our goal is to plant these oats or grains and allow them to grow in our soil.

4:34

But the magic of the cover crop really happens when we work this green material back into our beds.

4:41

So at some point in time,

4:43

we're gonna have to cut it down. Now,

4:47

three of the easiest ways to cut your cover crop down are one by mowing it.

4:52

Two, grabbing your weed eater and chopping it down or three,

4:57

grabbing your favorite pair of loppers or pruners and cutting it down.

5:01

Now, after we cut the cover crop down,

5:04

our work is not done, we now need to turn over the soil and work this cover crop into our garden.

5:12

Now, I know I always talk about no till gardening and I am still a big fan of no till gardening.

5:19

But this method of tilling the fresh cut greens back into our garden does more good than it does bad as this cover crop breaks down in our soil.

5:30

It helps to strengthen and feed the soil food web.

5:33

Now, I personally have some friends who are so no till that they won't even till their cover crop into their garden.

5:41

As a matter of fact, on their farm, what they do is they grow the cover crop,

5:45

they mow it down and then they allow it to break down naturally into the garden.

5:51

They use the clippings as sort of a mulch.

5:54

But one reason why I don't like this is because it prevents them from being able to work and grow in that garden bed.

6:02

Or really, they're on a farm, it prevents them from being able to work or grow in that row for the next season while the greens break down.

6:12

So even though I am a big fan of no till gardening every now and then it's ok to till the cover crop into the garden.

6:22

The main thing about no till gardening is you don't want to work the soil deeply.

6:28

Now, if you're a backyard gardener cover cropping may seem a little bit excessive.

6:35

But if you live in an area that has harsh winters or you don't plan on gardening in the winter or summer because you don't like the temperature extremes,

6:44

then cover cropping is a great way to make sure that your garden is still being nourished even though you're not using it now cover cropping isn't for everybody.

6:55

I just wanted to tell you what it was in the event you decide to give it a try.

7:01

So now that we know what cover cropping is,

7:03

let's talk about a few different cover crops that you can grow in your garden first,

7:08

let's list off the summer. Cover crops.

7:11

One buckwheat, two cow peas,

7:16

three sorghum grass,

7:19

four wheat, five Austrian peas.

7:24

Now, for a winter cover crop,

7:26

you're gonna be looking to plant one of these,

7:29

one crimson Clover,

7:31

two annual rye,

7:34

three hairy vetch,

7:37

four wheat, five Austrian peas.

7:42

You'll notice that wheat and Austrian peas can be planted in both the winter or the summer.

7:49

Now, remember cover crops are often used during time periods when the temperatures don't really allow us to be out in the garden when it's extremely hot in the summer,

7:58

or it's extremely cold in the winter, rather than leaving your soil exposed to the elements,

8:05

you should just cover crop it or mulch it.

8:09

If you don't know all the benefits of mulch,

8:11

make sure you check out the just mulched episode of the Just Grow It podcast.

8:16

That's it for today's episode. If you found this valuable,

8:19

you know what I need you to do, tell a friend,

8:22

tell two and don't forget I'm still on a mission to turn this into a top 10 gardening podcast and I can only do that with your help.

8:30

So if you found any value in this,

8:33

give me a like, give me a follow and leave me a five star review wherever you listen to podcast.

8:40

Until next time, just grow it before I let you go.

8:45

I need you to do more than one thing. First,

8:47

I need you to like, comment, subscribe to the podcast.

8:51

Second, I need you to tell a friend or two about the show if you enjoyed it.

8:56

And if you have anybody you think I need to talk to,

8:59

I should interview, send the name over,

9:01

put it in the comments or send me an email.

9:03

I grow at Big City Gardner and check me out man on Instagram and on all social media platforms.

9:11

Big city gardener. We out oh,

9:13

almost forgot. Just grow it.

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