Corresponding ph adjustments

Keighan

Keighan

Well-Known Member
Would adjusting ph depending on what your plant needs most at the time cause stress or to much fluctuation. So lets say I made a banna tea for potassium before I applied if I adjusted ph for maximum absorption of potassium would it be beneficial or would the constant change fluctuate my ph soil to drastically.
 
hotrodharley

hotrodharley

Well-Known Member
Keighan said:
Would adjusting ph depending on what your plant needs most at the time cause stress or to much fluctuation. So lets say I made a banna tea for potassium before I applied if I adjusted ph for maximum absorption of potassium would it be beneficial or would the constant change fluctuate my ph soil to drastically.
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Don't worry about adjusting pH in feeds for soil in a case like this.
 
rkymtnman

rkymtnman

Well-Known Member
good question Keighan. i was taught to only adjust pH once daily in hydro and to not "chase" it. but i have done what you said and run my pH in the range of max absorption for a nute deficiency to try to fix it quicker. seemd to make sense to me.
 
hotrodharley

hotrodharley

Well-Known Member
rkymtnman said:
good question Keighan. i was taught to only adjust pH once daily in hydro and to not "chase" it. but i have done what you said and run my pH in the range of max absorption for a nute deficiency to try to fix it quicker. seemd to make sense to me.
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Test your runoff pH just to see what it is. Before adjusting anything. Especially if peat is involved.
 
hotrodharley

hotrodharley

Well-Known Member
"Salinity and acidity
Salinity, toxicity and extremes in soil pH (acid or alkaline) result in poor biomass production and, thus in reduced additions of organic matter to the soil. For example, pH affects humus formation in two ways: decomposition, and biomass production. In strongly acid or highly alkaline soils, the growing conditions for micro-organisms are poor, resulting in low levels of biological oxidation of organic matter (Primavesi, 1984). Soil acidity also influences the availability of plant nutrients and thus regulates indirectly biomass production and the available food for soil biota. Fungi are less sensitive than bacteria to acid soil conditions."

I say test the runoff first rather than screw with the beneficial bacteria in your soil or grow medium if yo don't need to. If your water is a pH of 8.0 then heck yes drop in some lemon juice or acid. But a pH of 7.0-7.5 is usually fine for soil. Just my opinion.
 
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