Agenda

Deze pagina geeft een overzicht van alle komende lezingen, cursussen en workshops. Ze zijn per soort gegroepeerd. Deze zijn in principe gratis toegankelijk. Als er kosten zijn, staat dat erbij vermeld. Giften zijn altijd welkom.

Je kunt de komende activiteiten ook op een overzichtskaart bekijken.

Gastles Alle kleine beestjes helpen

<img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

vrijdag 29 november 2024: Amsterdam
organisator en locatie niet openbaar
details besloten

Lezing Alle kleine beestjes helpen

<img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

zaterdag 14 september 2024: Vught
organisatie: Burgerinitiatief KANT, locatie: Theaterwerkplaats Novalis
details

dinsdag 15 oktober 2024: Leeuwarden
organisatie: IVN Leeuwarden e.o., locatie: dbieb
details

zaterdag 9 november 2024: Dieren
organisatie: Groengetekend, locatie: De Bibliotheek Veluwezoom
details

Gastles Bodem

<img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

woensdag 4 december 2024: Meppel
organisator en locatie niet openbaar
details besloten

woensdag 11 december 2024: Werkendam
organisator en locatie niet openbaar
details besloten

Tafelgesprek Bodem

<img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

maandag 14 oktober 2024: Heesch
organisator en locatie niet openbaar
details besloten

Workshop Composteren kun je leren

<img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

zondag 6 oktober 2024: Utrecht
organisatie en locatie: Tuindersvereniging Abstede
details

Lezing Gezonde gemeenschappen

<img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

zondag 15 september 2024: Joppe
organisatie en locatie: Tuinderij De Veldhof
details

Lezing Het belang van biodiversiteit

<img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image lazyload" style="--smush-placeholder-width: 100px; --smush-placeholder-aspect-ratio: 100/100;border: none;" data-src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="><noscript><img class="alignright size-full wp-block-image " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

zaterdag 28 september 2024: Den Bosch
organisatie en locatie: Lotus Training
details

Cursus Koester de bodem

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zaterdag 12 oktober 2024: Amsterdam
organisatie: Anna's Tuin en Ruigte, locatie: Café-restaurant Polder
details

zaterdag 19 oktober 2024: Uithuizermeeden
organisatie: Nelly Hazen, locatie: De Eemstuin
details

Lezing Ondergronds gezwam

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maandag 7 oktober 2024: Valkenburg
organisatie: Coast Busters en Katwijkse Duurzaamheidsweek, locatie: Het Dorpshuis
details

Gastles Voor wat hoort niks

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zaterdag 16 november 2024: Zwolle
organisatie: Permacultuur Zwolle, locatie: Meanderhof
details