Saturday, January 08, 2022

Using Black Plastic to Kill Sod For Flower Bed. 1.8.22

 This only works if you are not in a hurry.  Grass and weeds won't survive under a sheet of black plastic.  Depending on the season, that requires several months.  I started vegetable beds in 2016 using that method.  The ground was ready by late April.  That link here.

This area will be annual flowers, mainly zinnias, marigolds, cosmos.  I might stick in somecdahlias and sunflowers as experiments to see if deer eat them.   At the back, by the fence, are the forsythias I started for a hedge.  

Thursday, January 06, 2022

Adding Eggshell and Coffee Ground Supplements to Raised Bed Soil. 1.6.22

Now that the last raised bed has its full amount of topsoil, I want to enrich it with available amendments. I generally use compost (garden and kitchen source), coffee grounds, eggshells, wood ash, and leaves. The other raised beds have had all of those added already, either through the year last year or in the fall and winter. This last one, just completed, has only some wood ash at a somewhat deeper level (1 foot deep), and the new supplement of biochar mixed in to the top few inches. 

 My attitude is that not a lot is better than too much. For example, everything is growing well already, so the soil it pretty much OK and we want it to stay that way. Too much of alkaline supplements could result in soil too alkaline for good growth. On the other hand, gardening removes some minerals and the action of time, tilling, bacteria and fungi, degrade soil structure and impede drainage and root growth as the soil is used over the years. Rain also leaches calcium and some other minerals. 

 The most deficient mineral is Calcium. My soil tests always confirm Ca deficiency. Steve Solomon in his books about growing vegetables west of the Cascades, also discussed adding a lime agent, especially dolomite lime that also contains magnesium. Either wood ashes or lime will correct soil acidity in the right amounts, and add lime. Wood ashes also add other minerals, especially potassium (Mostly Ca,then K, then Mg, P, S, Fe and Na). Source. Source. UC Davis recommends not more than 5# per 100 sq feet. I use under 1 pound per 4 x 8 foot bed (32 sq feet). 

 The internet is an excellent source for myth and unsupported non-info, and the idea of adding eggshell to garden is a good example. lots of sites claim eggshells will deter slugs (in my experience, they don't), keep deer away (nope), increase soil calcium or dont (they do). They usually miss that along with eggshell there is the membrane, a source of some nitrogen and some sulfur. A lot depends on preparation and how much and other factors. The best research that I've found so far comes from Iowa, which is a farming state and has massive egg production, resulting in massive amounts of eggshells? There, farmers do plow eggshells into their soil, and corrected for calcium carbinate content, they work as well as agricultural lime. source.   There is also some research on eggshell as a detoxifier of heavy metals in soils.  Apparently, the metals bind to the eggshell and become unavailable for plants to take up and leave traces of in food.  I'm not really concerned about that, but the eggshell is porous, and may be a site for ion exchange for other minerals, and a place for soil microbes to proliferate and do their thing, which I think is probably good.

All that considered, I save eggshells and let them dry out. I usually crush the dried eggshells by hand, but lately I use the food processor to grind them more finely. I let coffee grounds dry out too, for easier handling. I'll look for more about them later, but basically I add them as a nitrogen source, secondarily as a potassium source, and a matrix for soil bacteria, fungi, and food for earthworms. 

 I added about a pound of ground eggshells, and 2 pounds of semi-wet coffee grounds. That's all until time for planting in two months. I'll rake them in when it's not raining. There is no hurry, this bed wont be planted with anything for two more months.

Tuesday, January 04, 2022

The Final Raised Bed Is Filled with Soil. 1.4.22

Today was drizzling but otherwise OK. I become a bit anxious when there is an unfinished project. So, I filled the last raised bed the rest of the way with top soil. Given how much it's rained and snowed this week, I want to think that the lower layers are all settled, so the top level settling might be minimal. Before adding more soil, I dusted the previous layer with wood ash and the cremated remains of chicken femurs. Those came from the chicken thighs I use to make Rufus's dog food. If the uncremated bones are used, they don't degrade all that fast, and can be dug up when planting and digging. So I let them dry out, then throw them into the woodstove whenever I burn some logs. Then the bones become very brittle, crumblng apart with a finger touch, and most are just ash. Bone ash adds Calcium and Phosphorus, and wood ashes add Calcium, Potassium, Magnesium, and some other minerals. They are alkaline but not quite as much as lime and I the soil tested acidic anyway. So it's a beneficial amendment or at least no harm done. When I fill, I empty the buckets so he ground is uneven, with mountains and valleys. Well, maybe for a hobbit but it is uneven. That way, after mixing, there is no distinct "lasagna" layer. Then I added biochar all over that - the black appearance is biochar.
Then I used the garden claw hand tiller to mix it in, then I used a shovel to mix some more. Then I used the garden rake to mix and smooth.
Next I'll add about a pound of crushed eggshells to the top and mix those in, and a layer of leaves Then it will settle and mellow and earthworms will purposefully tunnel through all of that, leaving trails and starting to built good soil structure. Then, I'll lay the paths between and around all of the raised beds. I'll discuss eggshells and what university agricultural research says about them with that post. There are lots of people on the internet repeating what others say, positive and negative. Almost none of them report actual research.

Thursday, December 30, 2021

Snowing like Crazy! 12.30.21

Amazing how much it snowed. Not cold enough so far to cause any damage. Still the coldest months to come. We will see how it goes.

Tuesday, December 28, 2021

My Grandparents in their Garden. About Mid1960s.

This is my favorite photo of my mom's parents. They lived in Western Illinois (Mt. Sterling). It's diffficult to see the garden in this photo. My grandfather, Glenn Wilbur Alcorn, always grew sweet potatoes, tomatoes, potatoes, sweetcorn, turnips, dahlias, zinnias, balsam. I'm sure those are dahlias to her right and balsam to his left. I recall my mom telling me that his doctor told him to garden, after he had a heart attack. I don't remember if my grandmother, Ivy Icenogle Alcorn, also worked in the garden. I'm thinking she must have, but my recollection is more of him.