Lezingen 2024

Bijscholing

Cursussen en workshops

Lezingen

2024

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 " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

zaterdag 10 februari 2024: Olst
organisatie: Groene Activiteiten werkgroep, locatie: Huiskamer Grijs en Groen Wonen
details besloten

zaterdag 30 maart 2024: Nijmegen
organisatie: Reclaim the Seeds Nijmegen, locatie: Ecodorp Zuiderveld
details

vrijdag 19 april 2024: Voorst
organisatie en locatie: Bosnodig
details

Lezing Biodiversiteit in samenhang

<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 20 maart 2024: Breda
organisatie: Natuurplein de Baronie, locatie: De Wegwijzer
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 " style="border: none;" src="https://marcsiepman.nl/uploads/lc300.png" alt="Illustratie" width="100" height="100">

zaterdag 29 juni 2024: Ewijk
organisatie: Stichting Barefoot Paardadviseur, locatie: Abma Hoeve
details

Lezing Bodemverbetering is waterbesparing

<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 20 januari 2024: Zutphen
organisatie: Volkstuinvereniging 'De Eendracht', locatie: Wijkcentrum Waterkracht
details

Lezing De wereld onder je voeten

<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 27 januari 2024: Boxtel
organisatie: IVN, locatie: De Kleine Aarde
details

Lezing Ondergronds gezwam

<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 20 april 2024: Uffelte
organisatie en locatie: De Uelenspieghel
details

zondag 19 mei 2024: Ritthem
organisatie: Partij voor de Dieren Zeeland, locatie: OEST Farm & Stay
details

Webinar Ondergronds gezwam

<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 18 februari 2024:
organisatie: Frank Anrijs, locatie: Online
details

Lezing Zaden dekapitaliseren

<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 16 maart 2024: Amsterdam
organisatie: Reclaim the Seeds Amsterdam, locatie: Fruittuin van West
details