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Prepare Your Garden for Winter with Cheap Green Manure

For some reason, God doesn’t seem to like bare soil. Nature is designed to cover the ground, either through the falling of leaves from above or via colonization by plants.

FelledMungBeans-300x228I was selling plants at my nursery booth this week when a woman walked up to me.

“I did what you told me,” she stated.

I couldn’t remember when we had talked but she looked familiar. And I certainly couldn’t remember what I’d told her to do.

I wondered… what HAD I told her to do? Did I tell her to knock off one of my mortal enemies? Build a perpetual motion machine? Start drinking kefir to rejuvenate her intestinal flora?

She continued. “I threw beans all over the old chicken run.”


Ah, that’s right. I had told her to use black-eyed peas as a green manure. Thank God. I was afraid it was time to trade in my identity for a new one.

“Now the beans are producing pods… can I harvest those or should I just till them all into the ground?”

I told her to go ahead and harvest them, then either run the chickens over the patch again or chop them down and feed the tops to the compost heap.

Her green manure crop was planted in my favorite fashion: from the supermarket! On my recommendation, she had bought three bags of black-eyed peas on my recommendation, then soaked them overnight and thrown them around an area that her chickens had stripped of all vegetation.



She told me the beans had rapidly grown and formed a solid patch of green where there had once been bare sand.

Perfect!

For some reason, God doesn’t seem to like bare soil. Nature is designed to cover the ground, either through the falling of leaves from above or via colonization by plants. Both mulch and plant cover hold in fertility, enhance fungal and bacterial soil webs, shade the ground, decrease the effect of the baking sun, and add organic matter.

As we enter fall and the harvests of summer are being brought into storage, there’s always a temptation to just till the ground up and let it go into winter nice, neat, clean and bare.


That’s a mistake!

This time of year is a great time to mulch, and to cover the ground with a final burst of green before the end.

Some green manure plants will carry through the winter in milder parts of the nation, though in most of the US they’ll fail when the temperatures fall too far.

Why Bother?

MustardFallGardenOther than keeping the ground covered and nurturing the soil web, green manure crops have a high value as organic matter.

I know – when you look at a stalk of rye or a pea plant, it doesn’t look like much.

Fortunately, plants are like icebergs. You might see a small top… but there’s often a LOT of roots beneath the surface, ranging right down to the microscopic level. Those roots are opening up the soil as they grow, then leaving organic matter and air pockets behind when the plant dies.

The sugars exuded by roots also feed a lot of soil life. Tilled, rootless soil is a lousy place. Just think of your gut when you’re on strong antibiotics. Not good!

Some cover crops, like mustard, also can kick out nematodes or other pests.

What To Plant

As it gets colder outdoors, you need to plant cover crops that will either make it through the winter or at least put on some decent growth before they freeze.

Grains are an excellent choice for keeping the ground alive. Some peas can take some pretty low temperatures, as do fava beans. Toss in some brassicas like radishes, mustard, collards or turnips for an even better mix of species.

Buckwheat likes cool weather and rapidly pops up, making it a nice way to cover bare soil. If you have time before frost, toss some seeds around. If time is short it’s not worth bothering. Buckwheat can’t take freezing well.

Planting one type of cover crop is better than nothing; however, I’m convinced you get better results by mixing multiple things together.

A simple fall mix might contain:

NITROGEN-FIXERS

Fava beans

Peas

Lentils

Chick Peas

COMPOST CREATORS

Buckwheat

Wheat

Mustard

Rye

SOIL BUSTERS

Turnips

Parsnips

Mangels

Daikon radishes

 This is just a start. You might even get to eat some pretty good stuff out of this green manure mix. Figure out what works for you!

PeasIntercrop

Where to Get Seeds

Some seed outlets like Johnny’s Selected Seeds have their own cover crop mixes for spring and fall.

Personally, I tend to just hit the local supermarket and pick up some bits and pieces. Getting brassica seeds isn’t always possible there; however, your local farm supply store (if you live in the country) will sometimes have bulk seed you can add to your mix. Green manure doesn’t have to be rocket science.

If not, you can also buy fall “wildlife” mixes for hunters and throw those around. I’ve done that as well.

When I toss out handfuls of seed and water them into my beds in fall, I’m looking forward to rich, open, living soil in spring.

The few bucks spent on seed is worth it. Keep cover on the ground and life in the soil and you and your plants will be happy.

Also, if you build that perpetual motion machine, let me know before you go filing any of those pesky patents on it. Maybe we can work together on selling it? Pretty please?

David Goodman is a naturalist and hard-core gardener who has grown his own food since 1984. At age five, he sprouted a bean in a Dixie cup of soil and caught the gardening bug. Soon after, his dad built an 8’ by 8’ plot for him and David hasn’t stopped growing since. David writes a regular column for Natural Awakenings magazine in North Central Florida, posts on the Mother Earth News blog, owns a nursery of hard-to-find tropical edibles and grows roughly 1.5 zillion plants on his one-acre homestead. In mid-2012, he launched www.floridasurvivalgardening.com as a place to share his ongoing experiments with tropical and temperate crops. He currently has over 20 intensive beds, multiple field plots, over 100 fruit trees, two food forest projects in different climates and a series of ongoing experiments in-progress – all of which bring him closer each day to complete food security. David is a Christian, an artist, a husband, a father of seven, a cigar-smoker and an unrepentant economics junkie. Visit his daily blog here: Florida Survival Gardening Follow him on Twitter here: http://twitter.com/DavidTheGood

This article was originally published at Ready Nutrition™ on November 19th, 2014

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