El bosque de HOLTROP

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172 noticias
octubre 2024

Manual of good practices for Quercus restoration projects in Mediterranean environments.
This manual presents a methodology to help Mediterranean restoration projects to find solutions to make possible the direct seeding of acorns with guarantees and success. We also provide our

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18 oct. 2024
Guilhem Falgus Sylvatica
Guilhem Falgus Sylvatica · hace 6 meses

Interesting, thanks !

An important part of our work is done thanks to the hands of hundreds of volunteers who come every year to sow with us. And since last year 2023 we also count on the hands of the young European volunteers of ESc Erasmus +. At the moment we are recruiting the 12 young women who will

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11 oct. 2024

What's cooking in the Seedlab ( literally)
We are adjusting one of the protocols for measuring the dry weight of the seeds. For this we use a modified oven to achieve a constant temperature of 103º for 17h, so that the humidity goes away, and so we can weigh the difference.
This

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03 oct. 2024
septiembre 2024

As we have explained in previous publications, the acorns have passed the montanera, and at the end of August the acorns start to grow.
If, by this time, they have hardly emerged from the dome as in the picture, these fruits have little chance of thriving, which indicates water

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20 sep. 2024

In this graph you can see the results of the tests we described in the previous post on wild olive seed germination. All of them have been handled in a range of temperatures around 13º and different cuts have been made in the stone.
With these results we hope to continue improving

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13 sep. 2024

The germination of the wild olive tree is quite complex, it has taken us several years to find the key, because if the seed is harvested when ripe (at the same time as the traditional olive harvest) it does not work. When it is ripe but somewhat green, it is viable.
This year we

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06 sep. 2024

Mid August Montanera

In the past, “the montanera” was observed in mid-August, that is, to see how full the holm oaks were of acorns in order to organise the breeding an...

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agosto 2024

There is also extensive long-term work to be done to obtain methodologies for priming seeds with stronger dormancy, or even requiring a year of cold and heat, such as hawthorn and wild rose.
This way we could have varieties ready for germination in a couple of weeks instead of a

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16 ago. 2024
Mari Carmen
Mari Carmen · hace 8 meses

👏👏🙌🙌

We have designed an experiment to improve pre-germinative treatments.
Usually the acorns are soaked for a couple of days, or cold stratification is done, but this must be done with sand, mixing the acorns in 3 times their volume in humid substrate at 4 degrees in refrigerators. In

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01 ago. 2024
Mari Carmen
Mari Carmen · hace 8 meses

😊

julio 2024

Los Guajares two years after the fire

A very important point in reforestation/regeneration actions is observation. We started observing the natural regeneration processes in the Guajare...

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At the begining of the month we took part in several events with the Semillistas stand.

Lizzie, Audrey and Chloe were at the Sulayr Festival in Pampaneira.

Patri and Sergio were with the Semillistas stand at the Enraizarte permaculture festival in Peñascosa, Albacete.

At the stalls

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18 jul. 2024
Mari Carmen
Mari Carmen · hace 8 meses

😧😧😧😔😍

junio 2024

The images are from the tests carried out in September in relation to the sowings between the piornos that we mentioned.
In the first one, we can see the holm oak growing, which has not had the pleasure of meeting the wild boars.
The next photo is of a test with another protector

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28 jun. 2024

Orthodox seed monitoring

We have been monitoring orthodox (small) seeds in Camino de los Mineros in the lower area of Sierra Lujar at about 500mtrs and another sowing area ...

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We would like to show you the results of the sowings of February 2023 in the plot known as "Olías 1", of less than 1 hectare at an altitude of 1000 metres in Sierra Lújar.
It is fenced in by an electric shepherd to deter wild boars. The sowings were also carried out with protection

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14 jun. 2024

In the picture we see a set of three piornos together. There are many types, but they share the characteristics of not being very tall and growing in a rounded shape.
In fact, the natural regeneration of the holm oaks in this area takes place precisely within the piornos, and imitating

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05 jun. 2024
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