Magnesium Deficiency?
bopwinter
8 years ago
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johnmerr
8 years agobopwinter
8 years agoRelated Discussions
Magnesium deficiency & foliar Epsom Salt
Comments (6)That's interesting -- about the boron. Which fertilizers have that in them, and how does one find out if it's in a particular fertilizer? The fertilizers I use have a "guaranteed analysis" for the usual ingredients, but that that doesn't mean they don't also contain other stuff. My usual fertilizer is Biosol, label linked below, and the other one I commonly use is Magnum Rose Food, a water soluble, by Grow More. But sometimes I also use a micronutrient powder and now that I look, on its label I see it says it contains "10 ppm Boron", which raises the question, how much is too much -- Is that even a noticeable amount? Thanks Kathy Here is a link that might be useful: Biosol label...See MoreMagnesium deficiency & foliar Epsom Salt
Comments (10)My neighborhood has sandy silt loam soils with near neutral pH around 6.8. I see symptoms of Mg deficiency on some weeds by the roadside. When starting my garden long ago, I added a lot of peat and dolomite limestone. The resulting pH was 6.5, and the dolomite provided a long-lasting source of Mg. Over time, as the original OM decayed, the pH rose to 6.8 and occasional iron deficiency symptoms appeared. Perhaps the Mg I added has been used up over the years. I don't want to add more dolomite because it would make the pH too high. It seems there is a simple, natural shortage of Mg in the local soil, and probably in my leaf compost as well. Routine application of epsom salt seems like the appropriate treatment. I would not recommend using epsom salt unless there is a known deficiency of magnesium. I had my amended soil tested long ago, and everything was fine at that time. It does have a low CEC (nutrient retention) caused by the low proportion of clay. Lately I have been adding clay (plain kitty litter) when replanting. I wish I had known to do that sooner....See MoreNeedle palm magnesium deficiency? (Pics)
Comments (8)Steve- I'll try to pull the rest of the granules away from the base of the plant. Jim- I have definitely been watering more due to browning tips(I figured the original cause of the problem was keeping them too dry) but yes, I have been using a lot of tap water, but no more than I've been using with any of my other plants. They're planted under an overhang, so they get very little natural rain water, which adds to their winter hardiness, but could also be their downfall with yellowing/browning tips. Do you have any suggestions if it is actually the tap water causing this problem?...See MoreMagnesium deficiency in soil
Comments (0)To get an accurate reading of any deficiency, the soil can be tested, but in the case of magnesium, the results are quite variable. Magnesium content can deteriorate quickly, especially during rain or watering. Magnesium is quite water-soluble and gets leached to the lower layers of the soil easily. It is brought back up by tree roots. It is therefore important to return the falling leaves to the topsoil. Unless you live in an area where the dolomitic rocks is dissolve in the water, you can be pretty sure that magnesium would benefit your garden, especially if you are not adding tree leaves. Magnesium shortage is a real problem in most parts of the world. It is caused when we water or irrigate instead of growing what is natural for the climatic conditions. It causes a serious calcium metabolism problem in people and animals, because calcium cannot be used without magnesium. Extreme magnesium deficiency is recognized by pale green leaves and by blossom and fruit rot, but don't wait for that. Sprinkle dolomite or epsom salt on the soil from time to time, or add a little epsom salt to the water. Using a little frequently is better than using a lot once, because the excess just gets leached. Epsom salt recipe: Dissolve 2 tablespoons of Epsom salt in 1 gal. of water. For healthy nightshade plants (tomatoes, peppers, eggplants) water just as flowering starts. Or use this mixture as a foliage spray in the garden and on house plants....See MoreBahamaDan Zone 12b Subtropics
8 years agobopwinter
8 years agoBahamaDan Zone 12b Subtropics
8 years agobopwinter
8 years agofireballsocal
8 years agoBahamaDan Zone 12b Subtropics
8 years agomyermike_1micha
8 years agolast modified: 8 years agobopwinter
8 years agobmelz
8 years agohobbyartisan (Saskatoon, SK Canada, 2b)
8 years agohottina44
8 years agohobbyartisan (Saskatoon, SK Canada, 2b)
8 years ago
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