De or het haksel?

The correct Dutch article is:

het haksel

Rule Words ending in -sel: usually het. See the rule
Meaning (Dutch) het fijngehakte (stro, takken, plantenafval etc.)

How to use haksel

the hakselhet haksel
this hakseldit haksel
that hakseldat haksel
our hakselons haksel
your hakseljouw haksel
every hakselelk haksel
which haksel?welk haksel?
a big haksel / the big hakseleen groot haksel, het grote haksel

Dutch words ending in haksel

strohaksel

In compound words, the last part decides the article. See the rule

Dutch words starting with haksel

hakselaar | hakselsnijder

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).