Change soil every year?

Dewayne mater · April 30, 2019

I've been using the same mix for several years in earthtainers. When I pull out the old plants by the roots, some volume is lost, some is also lost to compression over time, and some maybe even washes out in heavy rains. Every year I replace the volume lost (10% or less I estimate) with a mix that is heavy on pink bark fines and has some perlite in it. Both are good for keeping mix from getting too heavy/dense.

Should I ever get a serious disease issue, I'll consider a complete new soil, depending on whether it is a soil borne disease. I do not notice any decrease in vigor or production using this method.

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April 30, 2019	#1
Dewayne mater Tomatovillian™ Join Date: May 2008 Location: DFW, Texas Posts: 1,212	I've been using the same mix for several years in earthtainers. When I pull out the old plants by the roots, some volume is lost, some is also lost to compression over time, and some maybe even washes out in heavy rains. Every year I replace the volume lost (10% or less I estimate) with a mix that is heavy on pink bark fines and has some perlite in it. Both are good for keeping mix from getting too heavy/dense. Should I ever get a serious disease issue, I'll consider a complete new soil, depending on whether it is a soil borne disease. I do not notice any decrease in vigor or production using this method.