Categorie: EROI

Vertical farming, and thus “indoors,” is a form of enormous technocratic hubris, which costs more than it yields. I wrote about it before, that trying to beat nature, millions of years of evolution, is complete madness.[1] Growing crops via natural selection/cropcrossings and maybe indoors ( unheated greenhouses),with yields accelerated thus…

In the agricultural project that I described in my previous contribution [1], which was initially about the EROI, the energy return on energy investment, I subsequently calculated the effects back to land’input’. But then the thought soon arised: would is also be possible to develop a LROLI, a Land return…

In a recent project , ‘Verrijkende Landbouw’ ( Enriching Agriculture) [1], I was able to refine the theory and methodology of MAXergy, using Embodied Land as an indicator [2], thanks to a practical pilot. As follows. Agriculture needs to change. That should be obvious by now. And not only regarding…

It has been a year since the Dutch version of the book was published, Gebroken Kringlopen (Broken Cycles). I handed out the first copy to Marjan Minnesma, who is on top of the required transition with NGO Urgenda. The English translation came out last month under the name “People vs…

A few months ago I wrote about agriculture, and that the EROI was 0.16: 1 (energy return on (energy) investment) – on average across all agricultural products in the Netherlands, and the EL (Embodied Land) no less than 7.7 ha-year / ha year. Much more goes in than comes out,…