Question on potassium and sodium in gardening?

nao57

Crowing
Mar 28, 2020
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So... I was curious to ask about potassium use in the garden. I'm looking at growing potatoes in containers videos. And people with good yields say that you want lots of potassium. So they say lots of watering, fertilizer, and heavy 'K' (potassium), in the mix.

But when you learn about chemistry you see and learn about the chart of the elements; the Periodic Table. And you learn that the leftmost 2 columns are the MOST reactive. And they want to react. This has K (Potassium). When you look at the periodic table, Na (Sodium) is above K (Potash-ium). They are in the same column. And often people can substitute and use 1 element in place of another... so this is why I ask? (Also usage of chemistry does seem to help understanding of farming, agriculture, and gardening! Its exciting that sometimes you can get insights!)

Can sodium, such as is prevalent in baking soda, be used in place or part in place of Potash-ium? (for potatoes).

I'm also curious what the ideal # of waterings per day is for growing potatoes in containers? For other vegetables besides potatoes, the more the waterings per day the better they do and the more fruit they get. This holds true for tomatoes, melons, cucumbers, pumpkins, and so on... I just don't know what this should be for potatoes...

Well thank you for listening...

...
 
Can sodium, such as is prevalent in baking soda, be used in place or part in place of Potash-ium? (for potatoes).
I don't think Sodium Bicarbonate (baking soda) contains Potassium, could you be thinking of Potassium Bicarbonate?

Sodium Bicarbonate can overtime change soil pH (if enough is used) and can kill plants due to the salts.
 

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