The Annual Epsom Salt Question
onederw
11 years ago
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wirosarian_z4b_WI
11 years agoRelated Discussions
Epsom salts
Comments (59)There is a big difference between soil amendments - typically organic matter (i.e., compost) added to soils to improve drainage and aeration and to boost soil fertility - and the willy-nilly addition of various elemental or chemical products (supplements) with the hopes that they will do something of benefit to plant growth. The Epsom salts fits into the latter category!! "You must remember that once your garden starts growing, your soil samples go out the window. Nutrients are gobbled up very quickly and the ones found in Epson salts make up a great part of the menu." I have to disagree with this contention.....it is simply not true!! The only nutrient that gets 'gobbled up quickly" is nitrogen and that is because it is 1) the single plant nutrient required in the highest volume and 2) the most mobile of the basic plant nutrients, volatilizing, morphing forms and moving through the soil constantly. With an established landscape and decent soil to start with, it is seldom necessary to ever provide supplemental fertilization if one mulches routinely with a decent organic mulch (acts as N replacement). The exception would be edibles that are harvested, as pulling these plants, which sequester a lot of nutrients themselves, out of the ground removes a portion of the nutrient base. and since a vast majority of edibles are annual plants, their basic nutrient demands are also high to begin with. Epsom salts is magnesium sulfate. Magnesium is seldom lacking in sufficient concentrations in any soil and as a minor plant nutrient, it is needed/utilized in minuscule amounts anyway. Sulfur is also a trace nutrient as well as a soil acidifier and it too is not consumed by plants in any significant quantity and seldom needs replacement. And an excess use of sulfur can alter soil pH more than necessary or desired as well affect how other, more essential nutrients are absorbed. And over application can kill off beneficial soil organisms (sulfur is a fungicide). Rather than buying into the unproven myth (there is NO scientific evidence to support it) that dosing plants routinely with Epsom salts somehow produces some sort of magical, lush growth, it should not be applied unless a professional soil test tells you it is required. And that is the same with applying all manner of other popular (but often unnecessary) garden supplements. Applying these without understanding if a need for them even exists (via a professional soil test) can alter the natural soil balance and create a lot more problems than it solves. The Myth of Epsom Salts. Unfortunately, debunking this and other common gardening myths gets a lot less press than word of mouth or social media promotion of these so-called magic gardening elixirs that really do not do much of anything to benefit plant growth. If you want to be serious about your soils and the health and productivity of your plants, focus on the scientific evidence behind any of these claims. In 99% of them, it simply doesn't exist!!...See Morequestion about Epsom Salts
Comments (4)I use ES on almost all my plants. I mix it 1 tbl/gal water and just water the plant normally. I don't use bone meal but I do mix other things with the ES like kelp extract. For brugs I use the ES once a month and fertilizer once a week. Karyn...See MoreQuestion on Epsom salts
Comments (5)I have used both sul po mag and epsoms just sprinkled around the plant and worked into the soil. Now is a good time to give your plant strength for the winter as nitrogen is not wanted after August. I think Jack has a more scientific approach to his plants. I would rather surf than work so I often go easy in the garden. When I looked again at that picture taken in June I realized the plant had grown a foot as it now is taller than the fence. Bill...See Morehow to apply epsom salt , soda, egg shells to tomatoes
Comments (30)<This is not an argument about the value of compost.> Why does it have to be an argument? Can't it simply be a discussion? Can I tell you that I have never learned anything from someone who always agree with me? And it also seems the discussion is a moving subject from < I've never understood the value of compost tea,> to <But it contains almost no nutrients.> referring to compost not compost tea. To <Sorry. That's wrong. You can look up the NPK of various kinds of compost, and the numbers are miniscule.> To <The original question was how to fertilize without using commercial fertilizers. So I'm assuming we're talking about how much NPK such fertilizers will contribute.> To <Compost is fantastic, and I use a lot of it. The issue was whether compost tea could be considered a fertilizer. Compost supplies little nutrients but it can supply the bacteria that will help convert organic materials into future nutrients> Let me offer this here (bolding is mine) - In addition, compost contains micronutrients and trace minerals that are often missing from commercial fertilizer, such as: Sulfur Carbon Magnesium Calcium Boron Copper Iron Iodine Zinc Manganese Found here - What Nutrients Can Be Found in Compost? And point out that one of the OP's original questions was <Is there anything else I can feed to my tomatoes avoiding commercial fertilizers?> You immediately pointed to what? Also if you would like to continue discussing your disdain for compost perhaps that would be better discussed over in the soil forum under your own topic. http://forums2.gardenweb.com/forums/soil...See Morems. violet grey
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