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Some Like it Hot…and Some Don’t

avril 18, 2005 4:08

Here’s a question that comes up often when discussing growing media that contains composted materials, such as pine bark or peanut hulls. If these composts are so biologically active, what assurance does a grower have that some of that biological activity isn’t plant pathogenic? Growers may remember that in times past mixes containing mineral soil were routinely steam-sterilized to eliminate disease organisms, and the ‘rule… Voir l’article

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