{"id":1237,"date":"2019-04-08T11:08:24","date_gmt":"2019-04-08T15:08:24","guid":{"rendered":"https:\/\/numeratortech.com\/?post_type=product&p=1237"},"modified":"2020-06-30T21:10:56","modified_gmt":"2020-07-01T01:10:56","slug":"span","status":"publish","type":"product","link":"https:\/\/numeratortech.com\/product\/span\/","title":{"rendered":"Span Extended Term Soil Surfactant"},"content":{"rendered":"

The use of surfactants to reduce soil hydrophobicity (water repellency) and decrease localized dry spots is now a proven and well-accepted turfgrass management practice. However, for many surfactants to be effective, they must be applied on a monthly or even shorter frequency schedule during critical summer stress periods that may last four or more months.<\/p>\n

Regardless of the efficacy of a surfactant, how long it will maintain its promised performance is usually determined by how rapid its polymer structure is degraded by microbes and chemical interactions in the soil profile. Oftentimes, the required frequency of applications needed to overcome microbial decay of these shorter-term products makes use of these surfactants unfeasible.<\/p>\n

New Dimension in Surfactant Chemistry<\/strong><\/h3>\n

At the heart of the SPAN’s extended term soil surfactant technology is a new copolymerization process that allows selected surfactant candidates to be grafted onto a large fully functional surfactant parent molecule in a manner similar to branches on a tree. This branched configuration of independent copolymer surfactants allows the final product to be “tuned” for increased surfactant performance as well as provide a means to compensate for microbial degradation of the surfactant\u2019s structure — the primary cause of performance decay.<\/p>\n

Overcoming Microbial Barriers to Long-Term Performance<\/strong><\/h3>\n

Unlike surfactants whose surfactant characteristics are terminated when disassociated by the cleavage of their molecular structure (including “long-term” surfactants), the SPAN\u2019s branched chain molecule is constructed in a manner that allows surfactant branches to be removed from the parent surfactant molecule, attach to water repellent sites on soil particles and retain their surfactant activity.<\/p>\n

Once attached to hydrophobic areas on the soil particle surface, the copolymers establish new sites of hydration. This greatly extends the time that SPAN will continue to provide improve hydration on water repellent soils. It should be noted that the parent molecule also retains its surfactant structure and activity \u2013 even when all its \u201cbranches are removed.<\/p>\n","protected":false},"excerpt":{"rendered":"

SPAN is a specialized extended term soil surfactant formulation designed to provide an economical, long-term solution to water repellent soils resulting in improved uniform water movement, distribution, retention, drainage and air: water ratios soils for approximately 120 days!<\/p>\n","protected":false},"featured_media":1314,"template":"","meta":[],"product_cat":[62],"product_tag":[],"yoast_head":"\nSpan Extended Term Soil Surfactant - Numerator Technologies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/numeratortech.com\/product\/span\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Span Extended Term Soil Surfactant - Numerator Technologies\" \/>\n<meta property=\"og:description\" content=\"SPAN is a specialized extended term soil surfactant formulation designed to provide an economical, long-term solution to water repellent soils resulting in improved uniform water movement, distribution, retention, drainage and air: water ratios soils for approximately 120 days!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/numeratortech.com\/product\/span\/\" \/>\n<meta property=\"og:site_name\" content=\"Numerator Technologies\" \/>\n<meta property=\"article:modified_time\" content=\"2020-07-01T01:10:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/numeratortech.com\/wp-content\/uploads\/2019\/04\/Span-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/numeratortech.com\/product\/span\/\",\"url\":\"https:\/\/numeratortech.com\/product\/span\/\",\"name\":\"Span Extended Term Soil Surfactant - 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