Potassium sulfate 0-0-50 question?
Is potassium sulfate a good product to have on hand for banana plants? Or is it simply to high of a number? :2722:
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Re: Potassium sulfate 0-0-50 question?
Thank you Richard ! I know bananas need a lot of potassium so I thought I might keep some on hand just in case of a deficiency, or maybe use as a supplement.
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You have a lot of knowledge concerning plant nutrients, that is an area I need to study more. It is very interesting, but I'm not about to even try quantum mechanics! Lol :ha:I'll keep what you said in mind. A little can go a long ways when it comes to nutrition.
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Sounds like I'm doing it backwards. I've been giving juvenile plants 1/2 dose and adult plants full dose. Sounds like the young ones need a hotter dose. This is what I hate about the internet, ask 1 question and get 27 opinions and your lucky if 10% are remotely right
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Gotta love Missouri! Tornado time!! And I was sleeping so good. Just hope my fellow Missourians make it through ok.
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Re: Potassium sulfate 0-0-50 question?
As Richard said you have a fertilizer component that measures 50% potassium by weight.
However you should never fertilize with only one of the three. All should be represented in each application. Keep in mind, that if you blend your 0-0 50 potassium with say, 0-45--0 phosphates in equal parts, you will not get 0-45-50, but 0-22(.5)-25 and if you also add nitrogen, (which you should), the formula changes again in accordance of the proportions of the various fertilizers in the blend. Actually that is exactly, what I do: I buy each of the three in high concentration, in bulk and then mix them as conditions, plants and seasons require. That is much more economical than using 'Miracle Green' or 'Wonder Grow' premixed formulas. If in doubt, go to the store, look at the label recommended for your use and then employ your math skills to come up with something similar. It does not have to be exact, just try to be in the ball park. The plant will then pick up, what it needs. There is just one thing to pay attention to: Overdose of nitrogen burns the roots. :( Good luck, Olaf |
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I have a product at work called potassium magnesium sulfate. Sulfur 22 percent potassium 18 percent and magnesium 11 percent. Would this be good for make part of a fertilizer?
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BTW thank you Olafhenny ! I appreciate the information you shared earlier.
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Hi Jamie,
well - not really, magnesium sulfate (Epsom salt) is an additive used when planting tomatoes, peppers and roses. It is recommended to use it only, when analysis has proven the soil deficient in magnesium. It is used by some as an additive in the bottom of a planting hole. In your case in combination with the root growth promoting potassium, it is probably meant to do just that. In roses Epsom salt supposedly promotes bloom and in tomatoes and peppers it is reputed to make the fruit sweeter. But that appears to be mostly the case, if the soil was deficient of magnesium in the first place. To sum it all up: You can use it as described above or spray it on foliage at a rate of 1 tbl spoon/gallon of water, but it probably 'ain't gonna' make a whole lot of difference, unless your soil is lacking magnesium. For all I can figure out the main benefit of the stuff is probably to the bottom line of its manufacturer. :) Best, Olaf |
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Olafhenny
Were i live its is difficult to buy fertilizers because I stay in a remote area. In South Africa in general i have not been able to find 10:10:10 or 19:19:19, or any balanced fertilizer, after months of searching. Best I can get is 3:1:5 or 3:2:3 etc. So I have been thinking of buying bulk bags from a farmers co op and mixing my own. For example the local farmers co op has Potash and ammonium sulphate & Potassium sulfate in 25kg bags, I just don't know how to combine them. Would mind you sharing what you mix, i.e. what are the bulk N:P:K products you mix. Also are you mixing granular or water soluble? what is the source of the 0-45-0 ? And what would be a N source (e.g. 40-0-0 )? |
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Urea (46-0-0) would be a good, cheap, nitrogen source to use in combination with potassium sulphate. I would apply each separately i.e. no mixing, unless you have a big plantation and then it would make sense to combine to save application time. Just use the appropriate application rate.
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Great thanks for the replies!
N: urea [CH4N2O] (46-0-0) P:???? K: potassium sulphate (K2SO4) (0-0-50-18S) What is a cheap bulk source of phosphate? |
Re: Potassium sulfate 0-0-50 question?
You need to locate fertilizer base stock material which available to you in South Africa. ... See this refference for how to calculate fertilizer formations and base fertilizers to use in the blends. ref: https://www.google.com/url?sa=t&rct=...LVona4Cnu8W6BT
Also, this reference gives basic blend formulas & amounts. ref: https://www.google.com/url?sa=t&rct=...COk70FlcsPBKVp Both above reference list fertilizer stock materials needed or to use in making a blend formulation. ... Don't forget the micro elements needed! ... And, be careful using urea as it is not comparable with some fertilizer types. The second reference shown above using 7 basic fertilizers (raw materials) gives the many different blends that can be formulated and the weight of each base fertilizer required. |
Re: Potassium sulfate 0-0-50 question?
Thanks for the tables, very useful and include examples.
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