{"id":8531,"date":"2024-03-11T07:00:47","date_gmt":"2024-03-11T11:00:47","guid":{"rendered":"https:\/\/www.newprocontainers.com\/blog\/?p=8531"},"modified":"2024-03-11T13:54:04","modified_gmt":"2024-03-11T17:54:04","slug":"fixes-common-soil-problems","status":"publish","type":"post","link":"https:\/\/oldm2.newprocontainers.com\/blog\/fixes-common-soil-problems\/","title":{"rendered":"Fixes for 3 Common Soil Problems"},"content":{"rendered":"\n<p>I ran across an article by the University of Hawaii in a <em>Horticultural Digest<\/em> issue from April 1981. It got me thinking about common soil problems that we, as interiorscapers, face. Below, I share some insightful information that I learned from this reliable article regarding remedies for prevalent soil issues.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">SOIL PROBLEM: FLUORIDE TOXICITY<\/h2>\n\n\n\n<p>Fluoride toxicity is&nbsp;one of the most aggravating soil problems given the sensitivity to elevated fluoride in so many commonly used plants. Those in the Agavaceae family\u2014such as the Dracaenas, Cordylines, and Yucca\u2014are notorious for their sensitivity to fluoride. In addition,&nbsp;there are Spathiphyllum, Aspidistra, Chlorophytum, and some Marantas and Calatheas that are also touchy about fluoride levels.<\/p>\n\n\n\n<p>Fluoride is a natural element occurring in most rocks and soils. However, concentration beyond the norm can cause discoloration and burning of leaf tissues in susceptible plants. Excess fluoride usually comes from one or more of the following\u2014air pollution, fluoridated water, fluoride in potting medium (sphagnum peat and perlite), and high levels of fluoride in some fertilizer components (especially those made from the rock mineral apatite, such as 20% superphosphate, as well as calcium nitrates and some limestone products).<\/p>\n\n\n\n<p>The damage and discoloration seen with excess fluoride usually stem from or are aggravated by more than one cause. This includes excessive soil moisture, root injury, high salt levels, and bad soil pH. In a perfect world, we could insert a simple soil probe that would spell out mineral imbalances, pH, salt level, and so on. Alas, this is not a perfect world, and often the best we can do is trial-and-error fixes.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Fixes include:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Controlling the pH<\/strong>\n<ul class=\"wp-block-list\">\n<li>This is most readily done by mixing dolomitic lime or other calcium sources into the soil to raise the pH to 6.0 \u2013 7.0.* At this pH, the calcium in the lime (lime is essentially calcium carbonate) ties up the fluoride molecules so they can\u2019t get into plant tissues.&nbsp;A yearly application of a tablespoon of dolomite for each gallon of soil is recommended, worked into the soil surface. Thus, for an 8\u201d pot, 1 T of dolomitic lime should do the job. **<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Limiting Fertilizer<\/strong>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/fluoridealert.org\/wp-content\/pesticides\/perlite.fluoride.levels.htm\" target=\"_blank\" rel=\"noopener noreferrer\">Most of these plants<\/a> will do quite well with fertilization once or twice a year.&nbsp;You can use organic fertilizers or investigate the mineral sources in your fertilizer product to avoid superphosphate base materials.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Avoiding&nbsp;Heavily Fluoridated Water<\/strong>\n<ul class=\"wp-block-list\">\n<li>It is not usually feasible to use water other than that provided at accounts, but using the first two approaches should make controlling for water fluoride unnecessary.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Using Growing Mediums With Lower Fluoride Levels<\/strong>\n<ul class=\"wp-block-list\">\n<li>While the medium is pretty much determined by growers, studies show that fluoride in perlite and sphagnum leaches out fairly quickly.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">SOIL PROBLEM: SALINITY<\/h2>\n\n\n\n<p>I have a theory that elevated salt levels are responsible for more interior plant soil problems than many people realize. It primarily happens because of an accumulation of unused mineral salts from fertilizer, though the accumulation is also added by minerals in the water and by the decomposition of the growing media. The result is a general loss of vigor and all kinds of leaf discolorations.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Fixes include:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Leaching<\/strong>\n<ul class=\"wp-block-list\">\n<li>Leaching is the classic treatment for salinity. Different sources&nbsp;suggest using 2 to 5 times the soil volume of water. Going with the \u201cmore is better\u201d philosophy, I prefer the latter.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Leaching With Spreader Sticker<\/strong>\n<ul class=\"wp-block-list\">\n<li>Adding a spoonful of ionic wetting agent to the water more effectively removes soluble salts from soil media. A warning has been issued cautioning that many commercial growing media already have spreader sticker in them, and adding too much can create more phytotoxic reactions.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Adding Sugar<\/strong>\n<ul class=\"wp-block-list\">\n<li>When leaching is not practical, adding sugar can promote an explosion of microbial population which will convert and otherwise lock up soluble salts. [<em>from J.S. Koths, Univ of Connecticut<\/em>] The\u00a0recommended mixture is\u00a01 lb. sugar to 5 to 10 gallons of water and 1 cup of solution per 6\u201d pot.**<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">SOIL PROBLEM: ACIDITY<\/h2>\n\n\n\n<p>The soil in potted plants tends to become more acidic (lower pH) over time. The best fix is to <a href=\"https:\/\/www.newprocontainers.com\/blog\/is-it-time-to-repot\/\" target=\"_blank\" rel=\"noreferrer noopener\">repot plants into fresh soil<\/a> every year, but this is unrealistic for professional plant services. However, there are things we can do to help keep the soil in our plants \u201csweet.\u201d<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Fixes include:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Adding Lime<\/strong>\n<ul class=\"wp-block-list\">\n<li>Described above under &#8220;Controlling the pH.&#8221;<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Adding a Solution of Sodium Bicarbonate or Potassium Bicarbonate<\/strong>\n<ul class=\"wp-block-list\">\n<li>In the <em>Horticultural Digest <\/em>article, UCR soil scientists Wesley Jarrell, Richard Shephard, and Roy Branson are cited for having solved the problem of acidity in artificial soils after stock has been planted. They found that acidity could be controlled simply by adding sodium bicarbonate (baking soda) or potassium bicarbonate to irrigation water. The recommended mixture is sodium bicarbonate at 1 T per \u00bd gal water; potassium bicarbonate at 1 lb. per 50 gal water (1 T \/ 1.5 gal). An application every 2 or 3 months, sprayed on soil or watered in, was found effective.**<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>By adopting these recommended practices, we can significantly reduce the challenges of fluoride toxicity, salinity, and acidity in our plant care endeavors. Let&#8217;s apply this knowledge to foster healthier, more vibrant indoor environments, proving that with the right approach, even the most persistent soil problems can be effectively managed.<\/p>\n\n\n\n<p><em>*In considering pH, make sure you know the preferred pH of different plants. Aspidistra, for instance, prefers pH in the lower areas\u20145.0 and less\u2014so trying to reduce acidity will probably be counterproductive.&nbsp;<\/em><\/p>\n\n\n\n<p><em>** Measurements and usage advice are anecdotal only and come from a variety of sources. They<\/em> <em>are not absolute in any way. Use materials at your discretion.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I ran across an article by the University of Hawaii in a Horticultural Digest issue from April 1981. It got me thinking about common soil problems that we, as interiorscapers, face. Below, I share some insightful information that I learned from this reliable article regarding remedies for prevalent soil issues.<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"twitterCardType":"summary_large_image","cardImageID":0,"cardImage":"https:\/\/www.newprocontainers.com\/blog\/wp-content\/uploads\/plants-social.jpg","cardTitle":"","cardDesc":"","cardImageAlt":"","cardPlayer":"","cardPlayerWidth":0,"cardPlayerHeight":0,"cardPlayerStream":"","cardPlayerCodec":"","footnotes":""},"categories":[82],"tags":[683,680,685,686,55,266,681,682,1273,1272,684],"class_list":["post-8531","post","type-post","status-publish","format-standard","hentry","category-operations","tag-acidity","tag-fluoride","tag-leaching","tag-ph","tag-plant-care-maintenance-identification","tag-plant-maintenance","tag-salinity","tag-soil-acidity","tag-soil-health","tag-soil-management","tag-toxicity"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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