Konstantinos Karoubas

pollinator
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since Mar 20, 2012
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Recent posts by Konstantinos Karoubas

Greetings,




Today we visited several areas where we planted acorns over the last two or three months. Unfortunately, in some locations nearly 90% of the acorns had been taken by wildlife. It could be field mice or other small animals that are attracted to the large acorns we planted.


This is the first time we have planted such a large number of evergreen oak acorns, and it is also the first time we have seen losses on this scale. In one area alone we planted perhaps 200–300 acorns, and almost all of that effort was lost.


We have had similar experiences in the past. Years ago, when planting almonds, we lost hundreds—possibly even a few thousand—to field mice. Thinking about it now, the large evergreen oak acorns are roughly the same size as almonds, so it makes sense that they would be a delicacy for local wildlife.


In another area we noticed heavy activity from wild pigs. These animals tear up the ground while searching for food, so anything planted there is likely to be disturbed or destroyed.


Although this wildlife activity is frustrating and sets us back, it is also part of the natural cycle. There is little we can do about it, nor should we try to eliminate it.


Interestingly, our experience after forest fires has been very different. For the first couple of years after a fire, wildlife such as wild pigs and field mice tend to move away from the burned areas. During that period we can plant many almonds or acorns with very little loss. However, this window of opportunity may only last two or three years before the animals return.

Kostas


21 hours ago

[youtube]https://m.youtube.com/shorts/ILlrFfLt5qE[/youtube]


Greetings,

Today we planted acorns, even though it’s a bit late in the season for planting. Recently there has been very little rain, so the soil is quite dry. We had kept the acorns in the refrigerator for over two months, and we were happy to see that they survived well and remained in good condition.

If we just planted the acorns in the soil as it is (dry), there's a good chance the acorns will not survive - there is no rain forecast over the next 10 days.

Since we finally had the time today, we took the opportunity to plant them. To improve their chances of survival, we added damp vermiculite to the soil. Vermiculite has the ability to hold moisture for long periods, and we hope it will help keep the acorns alive until the rains arrive. Ideally, this will give the young roots enough time to grow deeper into the soil, where they can find more moisture and nutrients.

Through this process we are becoming much more aware of how important soil moisture is when planting acorns. If there is too much water, especially in heavy clay soil, the acorns can rot. On the other hand, sandy soils can dry out quickly and create the opposite problem. Because of this, we are learning how useful soil additives such as vermiculite or hydrogels can be in helping acorns survive and grow during difficult conditions.

Kostas
1 day ago



Today we’re doing something a little different.

We’re at our farm, about half an hour south of Thessaloniki. This is a natural farm, and the land has not been plowed for about 25 years.

Our goal is to introduce what is called biology into the soil. Ideally, we would do this with animals — for example, a herd of 25, 30, or even 50 sheep. The sheep would graze lightly on the land, eating about half of the plants above ground. The rest would be trampled, and the animals would also urinate and deposit manure. This process would introduce biology into the soil and help improve soil health in an accelerated way.

Since we don’t currently have access to sheep, I’m trying a different approach. I’m taking fresh compost and placing it directly on the soil surface. We’re not digging and we’re not burying anything. After placing the compost, we cover it with dry or green leaves.

We’ve done this in about 20 to 30 different spots across the farm. I honestly don’t know how this will behave, and I don’t have a way to monitor it closely. This is the first time I’m doing this.

The best-case scenario is that it’s wildly successful: the biology in the compost thrives in the soil and gradually spreads throughout the farm. The worst-case scenario is that it does very little — the quantity may simply be too small to have a major impact.

I don’t have a way to measure the results yet, and as I said, I’m at the very beginning of this process. Still, I don’t think this can do any harm. Even if the impact is small, it doesn’t damage the land. And personally, it has already been beneficial for me — spending time with the land and the soil matters.

If anyone knows more about this than I do, I’d really appreciate hearing from you.

Thanks.

Kostas
1 month ago
Greetings, and all the best for the new year to all !!!



This is at the community food forest project, at its northern end, where this section of land is currently bare. The soil here is extremely light-colored, calcareous (lime-rich), and has a high clay content.

Our immediate objective is to establish cover crops to protect the land from direct sun exposure, prevent further degradation, and begin rebuilding soil health. By doing so, we aim to increase organic matter, improve soil structure, and gradually restore fertility to this area.

Cover crops such as vetch and field peas produce large amounts of organic matter while also fixing nitrogen in the soil.

As mentioned earlier, all seeding is done by hand broadcasting; we do not plow the land. We use a limited number of clay seed balls, mainly because they are difficult to transport—the site is not accessible by car.

If vetch and field peas are scattered directly onto bare soil, they are unlikely to establish successfully. They require some existing ground cover to protect the young seedlings from wind and the sun.

To create suitable conditions for these plants, we broadcast barley in early December at close spacing. The barley was sown just ahead of significant rainfall, giving it the opportunity to germinate and establish, providing shelter and microclimate protection for the legumes that will follow.

The approach of first establishing barley—or other grains such as rye—to cover the land, followed by broadcasting vetch and field peas, appears to be working. When conditions are favorable, vetch is able to reseed itself, gradually creating a system in which soil fertility improves year after year with minimal human input.

At the same time, we are attempting to establish additional species such as alfalfa. Although we have not yet been successful, we will continue experimenting and adapting our methods until it becomes established.

Plants such as arugula also perform very well in this area. Arugula is often the first plant to emerge in the fall, and it thrives under local conditions, contributing significantly to our efforts.

Other species, including Mediterranean heartwort, oregano, and mustard, also establish successfully. Together, these plants are helping us build ground cover, increase organic matter, and gradually improve soil fertility at the site.

The challenges presented by this bare piece of land have turned out to be a blessing in disguise. I am grateful that this problem arose.

Kostas
1 month ago
Greetings to all,

And  I hope happy holidays for all,

Peace on earth !!!

The 1st one is about the ponderosa pines in the western US states. Unfortunately they are on the way out  (and not coming back).

If Franklin Roosevelt was alive and in charge, he would send thousands of well paid workers to plant million of broad leaf trees in their place (and he would have started 10 years ago).

The 2nd story is about the 2025 drought in Vermont and the northeast US. We associate droughts with Mediterranean climate regions like the west US or Europe where there are few trees and long hot summers. A lack of dense tree cover and especially broadleaf trees plays a big part in these droughts. But Vermont is heavily forested; it's not like the Mediterranean regions.

The drought is the results of the global climate conditions not the local conditions, so I guess the conclusion might be we need to look after the whole planet not just our corner of the world. We cannot escape the destruction of the forest in Africa or the Amazon we need to repair the whole earth.

Kostas


https://www.seattletimes.com/opinion/the-american-wests-most-iconic-tree-is-disappearing/


https://www.vermontpublic.org/show/vermont-edition/2025-10-07/drought-conditions-hit-vermonts-farms-and-forests

(This was a big surprise for me)
2 months ago


Just a brief update

In this location we've been planting acorns in the past 2 or 3 years, and for whatever reasons very few have survived,

And it's not a reason to be discouraged.

Sometimes, and  we don't know why they happen but we move on forward.

That's what this vid is all about.

Kostas
3 months ago


We are  in the process of collecting acorns from the holm oak trees nearby, which are beginning to mature right now and it's a good time to discuss this very important type of an oak tree.

Kostas
3 months ago




Greetings to all,

We are refining our method of planting  acorns.

In the way we're preparing to learn how to plant acorns in more dry climates than northern Greece by adding vermiculite and maybe hydrogels later on.

We will see how these acorns do in the spring, and whether they sprout or not,  and then how they survive the summers, which are getting hotter and dryer unfortunately.

Kostas
3 months ago
Correction,

It's not kermes oak, which is a shrub .

It's an evergreen oak tree, but not a holm oak tree, which is also evergreen.

Similar to Palestine oak or the Cyprus Oak tree

Kostas

3 months ago