for all to learn i did a grow this summer and after the grow i re used the soil only adding a little bit of new soil to the mix and my end results were devastating so do you re use soil NO and as for above post do farmers re use there soil
come to think about it it was the europians that came up that making square sections in your land why is this cause they would change there yields either barley or corn etc most farmers now a days will not gorw same thing 2 tmes in there secions of land cause it will ruin there soil farmer will add 2 to 3 times in 5 months ferts and pesticides to there crop we in turn grow indoor our soil doesnt bleach out like farm land does our soil gets used obviously the op has hardly grown to even mention re using soil most of good growers there soil in the container will practicly used up do to roots in there pots
By the time it comes to harvest i got one fckin huge root system in my pot with hardly any soil left to re use
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