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back yard soil is very alkaline and has almost zero nitrogen
Posted on 6/14/23 at 12:50 pm
Posted on 6/14/23 at 12:50 pm
I was struggling to grow grass back there and at first I thought it was due to a lack of sunlight, but then I realized the seed struggled even in areas that got plenty of light, so I tested the soil in multiple spots. Seed did fine on the side lots and in the front with the same methods.
ph is maybe 9.5 or 10. Plenty of phosphorous and potassium, but no nitrogen. The house is on a downslope that backs up to a creek in central texas, if that matters.
My first thought was milorganite, but if that's 6-4-0, is there such a thing as too much of any one nutrient? And how do you calculate how much to add, based on your soil's starting point?
ph is maybe 9.5 or 10. Plenty of phosphorous and potassium, but no nitrogen. The house is on a downslope that backs up to a creek in central texas, if that matters.
My first thought was milorganite, but if that's 6-4-0, is there such a thing as too much of any one nutrient? And how do you calculate how much to add, based on your soil's starting point?
5
Posted on 6/14/23 at 1:04 pm to el duderino III
The home and garden board is gonna get you better info. Soil pH of 10 is extremely high, so I high that I would verify that with something else. Home test kits aren’t known to be accurate. The first and only thing you should do is lower the pH, until you do that the nutrients you do have aren’t bioavailable.
Posted on 6/14/23 at 1:46 pm to TheDrunkenTigah
my bad, I had two tabs open, thought I was on H&G
Posted on 6/14/23 at 2:11 pm to TheDrunkenTigah
I thought any rating under 7 means you have acidic soil. Any rating over 7 means your soil is healthy.
Posted on 6/14/23 at 2:29 pm to Quatrepot
7 is neutral, lower is acidic, higher is basic. Whoever told you anything over 7 is healthy was probably going off of the fact that it’s near about impossible to get anything over 8 without doing something dramatic, like adding industrial chemicals. Ag lime in large amounts is probably only ever gonna get pH close to 8. Thats why I told him first to get a second reading, odds are the test is wrong.
Posted on 6/14/23 at 2:33 pm to el duderino III
Your going to need some sulfur.
Posted on 6/14/23 at 2:33 pm to TheDrunkenTigah
Tks
Posted on 6/14/23 at 2:44 pm to el duderino III
Eat thing you can do is contact your county AG center and get a soil test kit. Send it in (less than $20) and in a couple weeks you’ll know what your true ph is and can start a plan of recovery.
Posted on 6/14/23 at 3:12 pm to TheDrunkenTigah
And the pH scale is logarithmic. So a 9 to 10 is 10x the difference between a 8 to 9 and 100x the difference between a 7 and 8.
Posted on 6/14/23 at 3:20 pm to Farmtiger
quote:
contact your county AG center and get a soil test kit. Send it in (less than $20) and in a couple weeks you’ll know what your true ph is and can start a plan of recovery.
This.
If tests come back the same you need to till the soil, add lime and till it in as well. Find a co-op that sells the powered lime for farms rather than pelletized lime. For low nitrogen soil plant a mixture of white and crimson clover after tilling and adding lime. The clover fixes nitrogen in the soil. White clover growing during the spring into summer, then the crimson clover growing through the winter. After couple years. Then start trying to grow your grass again. Let the clover make and add the nitrogen into the soil naturally.
Posted on 6/14/23 at 3:23 pm to boudinman
Why would he add lime to already high pH soil? Sulfur is added to lower pH, the three or four times in history anyone’s ever needed to.
Posted on 6/14/23 at 3:29 pm to TheDrunkenTigah
quote:
Why would he add lime to already high pH soil? Sulfur is added to lower pH, the three or four times in history anyone’s ever needed to.
Yeah that’s why I said to contact the county AG. That’s the best advice one can get.
Posted on 6/14/23 at 3:43 pm to TheDrunkenTigah
quote:
Why would he add lime to already high pH soil?
This. He could till in pine straw and lower but I seriously doubt his PH is that high.
Posted on 6/14/23 at 3:52 pm to BeauxNArreaux
quote:
And the pH scale is logarithmic.
This is correct.
quote:
So a 9 to 10 is 10x the difference between a 8 to 9 and 100x the difference between a 7 and 8.
This is incorrect. pH of 3 is 10 times more acidic than 4. 4 is 10 times more acidic than 5. 10 is 10 times more acidic than 11.
7 is 1000 times more acidic than 10
8 is 100 times more acidic than 10
9 is 10 times more acidic than 10
pH of 1 is 10,000,000,000,000 times more acidic than a pH of 14.
Posted on 6/14/23 at 3:53 pm to TheDrunkenTigah
You're right. My mind was thinking raising pH not lowering it as is mostly needed. If its truly high aluminum sulfate could be added to lower pH.
If his grass is growing good elsewhere in his yard I doubt the pH is that high though.
If his grass is growing good elsewhere in his yard I doubt the pH is that high though.
Posted on 6/15/23 at 1:26 pm to el duderino III
Plant you some rye grass, baw.
Posted on 6/15/23 at 7:55 pm to el duderino III
Trailer full of cow manure should do wonders
Posted on 6/15/23 at 9:06 pm to michael corleone
quote:Chicken litter even better
Trailer full of cow manure should do wonders
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