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Using mycorrhizal fungi in organic farming

One of the most important organic cultural practices I use on the farm is inoculating crops with mycorrhizal fungi. The photo above shows an application on one of 100 organic hop rhizomes we just planted. The symbiotic relationship between this fungus and plant roots is essential for healthy soil and plants. It’s also the secret that all of the current world record pumpkin growers don’t want you to know.

There are a couple types of mycorrhizal fungi. Endomycorrhiza work with certain plants by attaching to the root intracellularly while ectomycorrhiza work extracelluarly. Here is a good resource to find out which mycorrhiza you need for various plants and trees.

How it works: The fungi is naturally occurring in healthy soil all over the world. The largest living organism on the planet is a 2,400 year old 2,200 acre mycelial mat discovered in August 2000 in Oregon’s Malheur National Forest. Mycorrhizae are the very life of our planet’s soil creating a network of microbial life that naturally mitigates disease, nutrition and water concerns in the cultivation of crops. Mycorrhizae reduce the use of tilling, irrigation and chemical inputs in aggriculture. It also helps sequester carbon and is a key environmental relationship in our survival on the planet. Many organic farmers who use mycorrhizal fungi never have to water their crops even during drought. You can see several of these side-by-side comparisons pictured here online that illustrate exactly why.

Conventional farming methods using chemical fertilizers, pesticides and tilling are slowly destroying this natural relationship in favor of predictable short-term outcomes from dependence on expensive inputs that often hide destructive and unsustainable results.

Perfect design: Mycorrhizae are basically a mushroom (mycelium) that feeds off the plant’s sugars through its root system. What the fungus does in return for plants is truely amazing: it takes nutrients and water from the soil and feeds the plant by becoming a huge network of extended roots. The fungi is also what breaks down rocks and minerals for plants. It also makes plants more drought resistant as their access to soil moisture is more than ten times that of non-inoculated plants. One application to roots during transplanting or seeding lasts the entire life of the plant, and the results are indisputable.

There is a lot of simple research showing plants do much better using mycorrhizae than using conventional fertilizers. Here is a 6th grader’s science fair project using Fungi Perfecti’s MycoGrow (what we use at Half hill Farm) to show you how simple this is to understand.

Products:

Certified organic hops taking root in Tennessee

Two things I’m very excited about arrived at the farm this week. First is the endomycorrhizal fungi I’ll tell you more about later. The second are the first of our Cascade and Centennial hop rhizomes! They’ll go in our freshly cut beds as soon as the weather permits.

Half Hill Farm is the only farm in Tennessee providing a local source of USDA certified organic hops (certifying April 2013). The Tennessee Department of Agriculture stopped keeping records of Tennessee’s hop production sometime before Prohibition when machine harvesting began concentrating the nation’s hop production in other states. The USDA could find no records of commercial production in Tennessee.

Half Hill Farm is proud to serve the needs of a growing craft beer culture in Tennessee that celebrates an American craft spirit of community, ingenuity, and sustainability. If you are a local craft brewer and want to visit our farm, get in touch, and grow with us!

The birds of Half Hill Farm

Right before it rained yesterday, we set up the two 16 family Purple Martin houses in the orchard. With any luck we’ll get a few to hang around with us this year. The birds of Half Hill Farm will eat literally thousands of insects a day this year, far more than we can kill with pesticides. They won’t catch everything, but birds play an important part in the balance of life on the farm.

Besides the Purple Martins we hope to host, we also have four bluebird boxes, but there are other birds I’ve noticed working the property.

  • Northern Flicker: There are about 20 of these beautiful woodpeckers feeding on ants and beetles in the grass. As you walk through the property, you can see their yellow undersides and distinct white spot on its tail as the fly ahead of you.
  • Yellow-rumped Warbler: several were here in February appearing to eat juniper berries.
  • Cedar Waxwing: These are beautifully colored birds that ate lots of juniper berries in late January and early February.
  • Wild Turkey: We’ve seen a flock with as many as 30 slowly walk through the property. Like the Crows and Bluejays, I don’t know if they’re up to any good.
  • Eastern Phoebe: These cute little birds do acrobats and live under the deck on a diet of a few hundred flies a day.
  • White-breasted Nuthatch: We think it likes a piece of cardboard in the compost pile, but it’s the only one we’ve seen. It can walk on the underside of things.

The lessons of yesteryear are today’s opportunities

This week I helped a friend go through his mother’s attic at their historic Century Farm in nearby Readyville, TN and was reminded of a different time in our nation’s history.

Mary Dee Ready Cates grew up there during the Great Depression and appeared to have kept every scrap rag and glass jar they ever used. I was amazed at all of the American name brands on stuff she kept that simply don’t exist anymore. Steve gave me several of these old two and one quart blue Ball Perfect Mason jars pictured above that we found in the rafters around the chimney as well as an old pressure cooker Mary used to can food. They were some of the only items made by American companies that still exist today.

It’s an era that’s easy to romanticize in hindsight, but for many rural citizens in Tennessee at the time poverty was its own Great Depression. My grandmother told me her family knew there was a Depression going on but already lived so hard it didn’t bother them as much. They made their own clothes, toys and food. Things like oranges and chocolate were luxuries. For her family, the lessons of the time weren’t about being prepared as much as it was about being humble.

During the Great Recession, you would never have known we were a nation at war struggling to pay our bills watching the media’s reflection of a consumer culture in complete denial. If it weren’t for our investments in national infrastructure and social safety nets since the Great Depression, that would be a very different story.

We are fortunate to have so many choices today in how we struggle as a nation. Do we value the lowest price and the easy way out of hard work in exchange for the not so hidden costs to our communities, or do we heed the lesson to value something bigger? Humility, living modestly and sustainably, are values that are as important today as they’ve ever been.

Expanding the barnyard garden

We removed an old barnyard fence that was originally designed to keep livestock out of the garden area. It added another 400 square feet to the garden.

I removed some old cedar posts that were used to keep the soil from washing away and replaced them with another short rock wall. This time we used a hand truck to move very large stones weighing over 100 lbs. each.

Vince went ahead and planted a lot more seeds to account for the extra space. We’ll now have space to start herbs this Spring.

UPDATE 3-12-13: The wall is now complete.

Fire pit reflections on labors of love

We’re supposed to have some awesome weather this weekend here in Middle Tennessee, so I spent some time today building a fire pit where we burned some brush a couple weeks ago.

We’ve got a couple of farm projects this weekend to get us ready for Spring, but sometimes you have to make time to sit and stare at a fire, drink some good beer, and listen to the coyotes howl.

The Winter hours have really kept us busy on the farm. We cleared an acre of fallow pasture, planted apple trees and blueberry bushes, made tons of compost, got seeds ordered and planted, and created garden beds. Thanks to the Rodale Institute and our certifying agent we are now in the inspection phase for USDA Organic Certification.

Our values are our certification at the end of the day, but recognition for going the extra mile doesn’t hurt. Our reward is knowing this labor of love will ensure the food we grow meets the highest quality standards our community deserves.

How to build a firepit using manufactured stone
Here is a very popular tutorial I did for those who do not have access to real stone or want the look of manufactured blocks. Each photo in the series is captioned with instruction. Like us on Facebook to see future projects.

fire pit 1 fire pit 2 fire pit 3 fire pit 4 fire pit 5 fire pit 6 fire pit 7 fire pit 8 fire pit 9 fire pit 10 fire pit 11 fire pit 13 fire pit 14 fire pit 15 fire pit gazebo stereograph

First organic seed starts for Half Hill Farm

Vince got our very first organic seed starts going in the greenhouse this weekend as the last of the snow melted. This first batch is:

  • Organic tomatoes: Roma, Lemon Drop, Kellogg’s Breakfast, and Giant Beef Steak
  • Organic peppers: Jalapeno, Peperoncini, Orange Bell, California Bell, and Sweet Pickle Peppers

After finding the temporary greenhouse temperature dropping below freezing, we decided to use this germination pad. It will keep the soil between 70-80 F degrees. We ordered a much larger 2ft x 4 ft pad for more starts we’ll plant later this week as well as for re-potted plants.

The soil we’re using consists of an OMRI-listed peat, soil from our orchard field and garden compost. We’re also using Jiffy peat cups for transfers.

Using stone walls as erosion control

I had no real plans to go all out and build a stone wall on the upper sides of my terraced garden sections, but here I go.

I love old rock walls, but this is one of those projects I get half way into and wonder why I do this to myself. Luckily we have a lot of stone on the property, and it has the same feel as the old rock wall along the East side of the farm.

I only want to give this project a couple days, so I didn’t trench and inset the bottom stones. You can do that and then build straight up the dirt face and cap it with a large flat field stone to lock it into place. If you begin noticing soil building up behind the cap stone over time, you can then add another layer of stone. You can use concrete. I dry stacked these.

This isn’t designed as a retaining wall. This is a low erosion control wall. You will want to use proper anchors and construction design to retain soil or other heavy material.

200 years of cover croping with clover in Tennessee

A lot of the required organic practices aren’t new ways of doing things at all. Planting clover as a cover crop is a practice that goes back to our state’s founding.

Using a cover crop does a few things in organic farming. It protects soil from erosion, helps build organic matter, mineralizes key elements and catches leeched nutrients needed by subsequent crops, and prevents weeds and pests. It’s the only choice farmers had 200 years ago and wisdom we are abandoning at great cost.

The use of clover as a cover crop in Tennessee impressed at least one observer whose notes in the 1836 edition of the Tennessee Farmer show a fading appreciation for perfected systems of nature.

ON THE CULTURE OF CLOVER:
Few things have contributed to the modern improvement of husbandry, then the introduction of clover, in connexion with the rotation crops. The plant serves to ameliorate and fertilize the soil, and at the same time it affords an abundance of wholesome food for every description of farm stock. Whether cut for winter stores, for soiling in the yard, or fed off by stock but few crops surpass it in the quantity of cattle food which it affords.

Cannon County’s use of clover in particular was cited by Tennessee’s Bureau of Agriculture report of 1874 as the best in the state.

Great attention is paid to the sowing of clover and no farmer deserving the name fails to have a considerable part of his farm given to clover every year. The consequence is there are no abandoned old fields to be seen. Scarcely an acre of land has been turned out. Gullies are scarce though the land is rolling. In no county in the State do the farmers pay more attention to the preservation of the soil.

The two strips pictured here are sewn with certified organic red clover. We’ll follow this with an overwintering of cereal rye then Spring plant our crops. We may try crimson clover next year.

Learn more about the use of red clover as a cover crop in Tennessee from the University of Tennessee Extension Office.

The wisdom of organic farming pioneers

This weekend’s TN Organic Growers Association conference provided a wonderful opportunity to meet one of Tennessee’s organic pioneers. Alfred Farris and his wife Carney moved to their 487 acre farm in Orlinda, TN 39 years ago expecting a hard life following their values. At 82, Alfred attributes their health and well-being to a decision to live harmoniously with the planet.

On Friday, Alfred told us that his mission in life is to be a steward of the soil, caring for and protecting this chance at life we have. He anchors his farm practices to his faith citing the Genesis creation story.

“It’s right there in the Bible,” Alfred says with an assured conviction. “The Hebrew translations for Adam, or ‘Adamah,’ is ‘soil,’ and Eve is ‘life.’”

Alfred and Carney have placed their entire certified organic farm in a trust hoping to ensure the property will be an organic farm forever. Learn more about Windy Acres Farm.