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#1
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Phosopohorus intolerance
I have a SuperTreat septic system which waters my garden. Some plants
thrive, others don't. I'm wondering if this could be due to phosphorous in dishwashing and laundry detergents? |
#2
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Phosopohorus intolerance
tathraman wrote:
I have a SuperTreat septic system which waters my garden. Some plants thrive, others don't. I'm wondering if this could be due to phosphorous in dishwashing and laundry detergents? I suppose it is possible but I wouldn't jump straight to that conclusion. Another consideration is that cleansers (especially dishwasher detergent) contain quite a lot of sodium carbonate (washing soda), this will raise the pH and add sodium to the soil. What area does the effluent get spread over? How often do you do laundry and dishes? Which plants do well and which do not? Is there any sign that plants near drippers, emitters etc do better or worse? David |
#3
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Phosopohorus intolerance
tathraman wrote:
I have a SuperTreat septic system which waters my garden. Some plants thrive, others don't. I'm wondering if this could be due to phosphorous in dishwashing and laundry detergents? Which plants do which? |
#4
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Phosopohorus intolerance
On Jan 2, 1:42*pm, "David Hare-Scott" wrote:
tathraman wrote: I have a SuperTreat septic system which waters my garden. Some plants What area does the effluent get spread over? around 200 sq. metres How often do you do laundry twice weekly and dishes? about the same I've given up on drippers as they always need cleaning out, despite filters. Instead I have 5or 6 garden sprinkliers which do a fine job, Which plants do well WEEDS! pittosposrum, hymenosporum, melaleucas, callistemons, violets (but they don't flower), lavender, clivea, agapanthus,camellia, agave, hydrangea and hibiscus (middling). and which do not? azaleas Hope this is what you need to know! |
#5
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Phosopohorus intolerance
tathraman wrote:
On Jan 2, 1:42 pm, "David Hare-Scott" wrote: tathraman wrote: I have a SuperTreat septic system which waters my garden. Some plants What area does the effluent get spread over? around 200 sq. metres That's not much area. Is is boggy for much of the year? How often do you do laundry twice weekly and dishes? about the same That doesn't seem a huge chemical load but it is on a fairly small area. I've given up on drippers as they always need cleaning out, despite filters. Instead I have 5or 6 garden sprinkliers which do a fine job, Which plants do well WEEDS! pittosposrum, hymenosporum, melaleucas, callistemons, violets (but they don't flower), lavender, clivea, agapanthus,camellia, agave, hydrangea and hibiscus (middling). and which do not? azaleas Hope this is what you need to know! Test the pH of the soil at the azalea, they like it quite acid. D |
#6
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Phosopohorus intolerance
"terryc" wrote in message ... tathraman wrote: I have a SuperTreat septic system which waters my garden. Some plants thrive, others don't. I'm wondering if this could be due to phosphorous in dishwashing and laundry detergents? Which plants do which? I used water from laundry to water fruit trees one year when we had a long dry spell. Killed two mature persimmon trees. I was told by a bloke from the dpi that phosphorous from the washing powder would do that. Cheers, Dan |
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