salt build-up in hoophouses

Bill Shoemaker wshoemak at
Fri Dec 7 11:23:08 EST 2001

    We've been growing in hoophouses for 7 years.  We've seen salt build up after 4.  Took the plastic off the first house that exhibited salt build-up and left it off for about 8 months.  In addition to rain, we also ran overhead sprinklers.  Salt build-up exhibited itself again in about 4 months.  We can minimize the effect by incorporating a good quantity of compost.  
I'm curious about your thoughts on how the compost might have minimized the salt effect. O.M. maybe?

Bill Shoemaker
Sr Research Specialist, Food Crops
Univ of Illinois - St Charles Hort Research Center
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