Microalgal polysaccharide production for the conditioning of agricultural soils
Two species of mucilaginous green algae, Chlamydomonas mexicana and C. sajao, were evaluated for in situ production of polysaccharides in untilled samples of selected agricultural soils. Greenhouse experiments indicated that the moisture content of the soils must be maintained near 100% of field cap...
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| Veröffentlicht in: | Plant and soil 1985-01, Vol.88 (2), p.159-169 |
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| container_title | Plant and soil |
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| creator | BARCLAY, WILLIAM R. LEWIN, RALPH A. |
| description | Two species of mucilaginous green algae, Chlamydomonas mexicana and C. sajao, were evaluated for in situ production of polysaccharides in untilled samples of selected agricultural soils. Greenhouse experiments indicated that the moisture content of the soils must be maintained near 100% of field capacity to permit growth of the algae. The algae increased the polysaccharide content of the uppermost 2 mm of soil by 20% to 129%, but in only 3 treatments out of 12 was there any significant increase in soil polysaccharide content at the 3-8 millimeter depth. More than 99% of the algal cells and most of the polysaccharide produced by the algae remained in the top 2 millimeters of soil. The results suggest that although these algae can increase the polysaccharide content of the uppermost strata, where soil crust formation may present problems in agriculture, frequent irrigation is necessary to maintain algal growth. Tillage would be necessary to incorporate the algal polymers for soil conditioning at depths greater than 2 millimeters. |
| doi_str_mv | 10.1007/BF02182443 |
| format | Article |
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Greenhouse experiments indicated that the moisture content of the soils must be maintained near 100% of field capacity to permit growth of the algae. The algae increased the polysaccharide content of the uppermost 2 mm of soil by 20% to 129%, but in only 3 treatments out of 12 was there any significant increase in soil polysaccharide content at the 3-8 millimeter depth. More than 99% of the algal cells and most of the polysaccharide produced by the algae remained in the top 2 millimeters of soil. The results suggest that although these algae can increase the polysaccharide content of the uppermost strata, where soil crust formation may present problems in agriculture, frequent irrigation is necessary to maintain algal growth. Tillage would be necessary to incorporate the algal polymers for soil conditioning at depths greater than 2 millimeters.</description><identifier>ISSN: 0032-079X</identifier><identifier>EISSN: 1573-5036</identifier><identifier>DOI: 10.1007/BF02182443</identifier><identifier>CODEN: PLSOA2</identifier><language>eng</language><publisher>Dordrecht: Martius Nijhoff Publishers</publisher><subject>Acid soils ; Agricultural soils ; Agrology ; Agronomy ; Agronomy. Soil science and plant productions ; Algae ; Biological and medical sciences ; Biotechnology ; Chemical, physicochemical, biochemical and biological properties ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Industrial applications and implications. Economical aspects ; Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Polymers ; Polysaccharides ; Sandy loam soils ; soil amendment ; Soil inoculation ; Soil science ; Soil water ; Soil water content ; Soil-plant relationships. Soil fertility. Fertilization. Amendments</subject><ispartof>Plant and soil, 1985-01, Vol.88 (2), p.159-169</ispartof><rights>Copyright © 1985 Martinus Nijhoff Publishers</rights><rights>1986 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c311t-bfd58ed83fde17517cbeb24981eb85c86aa63bc4d6fc4900276863d70e6f44343</citedby><cites>FETCH-LOGICAL-c311t-bfd58ed83fde17517cbeb24981eb85c86aa63bc4d6fc4900276863d70e6f44343</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/42935034$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/42935034$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,777,781,800,27905,27906,57998,58231</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8427844$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>BARCLAY, WILLIAM R.</creatorcontrib><creatorcontrib>LEWIN, RALPH A.</creatorcontrib><title>Microalgal polysaccharide production for the conditioning of agricultural soils</title><title>Plant and soil</title><description>Two species of mucilaginous green algae, Chlamydomonas mexicana and C. sajao, were evaluated for in situ production of polysaccharides in untilled samples of selected agricultural soils. Greenhouse experiments indicated that the moisture content of the soils must be maintained near 100% of field capacity to permit growth of the algae. The algae increased the polysaccharide content of the uppermost 2 mm of soil by 20% to 129%, but in only 3 treatments out of 12 was there any significant increase in soil polysaccharide content at the 3-8 millimeter depth. More than 99% of the algal cells and most of the polysaccharide produced by the algae remained in the top 2 millimeters of soil. The results suggest that although these algae can increase the polysaccharide content of the uppermost strata, where soil crust formation may present problems in agriculture, frequent irrigation is necessary to maintain algal growth. Tillage would be necessary to incorporate the algal polymers for soil conditioning at depths greater than 2 millimeters.</description><subject>Acid soils</subject><subject>Agricultural soils</subject><subject>Agrology</subject><subject>Agronomy</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Algae</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>Chemical, physicochemical, biochemical and biological properties</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Polymers</subject><subject>Polysaccharides</subject><subject>Sandy loam soils</subject><subject>soil amendment</subject><subject>Soil inoculation</subject><subject>Soil science</subject><subject>Soil water</subject><subject>Soil water content</subject><subject>Soil-plant relationships. Soil fertility. Fertilization. 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Soil science and plant productions</topic><topic>Algae</topic><topic>Biological and medical sciences</topic><topic>Biotechnology</topic><topic>Chemical, physicochemical, biochemical and biological properties</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries</topic><topic>Physics, chemistry, biochemistry and biology of agricultural and forest soils</topic><topic>Polymers</topic><topic>Polysaccharides</topic><topic>Sandy loam soils</topic><topic>soil amendment</topic><topic>Soil inoculation</topic><topic>Soil science</topic><topic>Soil water</topic><topic>Soil water content</topic><topic>Soil-plant relationships. Soil fertility. Fertilization. Amendments</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BARCLAY, WILLIAM R.</creatorcontrib><creatorcontrib>LEWIN, RALPH A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Plant and soil</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BARCLAY, WILLIAM R.</au><au>LEWIN, RALPH A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microalgal polysaccharide production for the conditioning of agricultural soils</atitle><jtitle>Plant and soil</jtitle><date>1985-01-01</date><risdate>1985</risdate><volume>88</volume><issue>2</issue><spage>159</spage><epage>169</epage><pages>159-169</pages><issn>0032-079X</issn><eissn>1573-5036</eissn><coden>PLSOA2</coden><abstract>Two species of mucilaginous green algae, Chlamydomonas mexicana and C. sajao, were evaluated for in situ production of polysaccharides in untilled samples of selected agricultural soils. Greenhouse experiments indicated that the moisture content of the soils must be maintained near 100% of field capacity to permit growth of the algae. The algae increased the polysaccharide content of the uppermost 2 mm of soil by 20% to 129%, but in only 3 treatments out of 12 was there any significant increase in soil polysaccharide content at the 3-8 millimeter depth. More than 99% of the algal cells and most of the polysaccharide produced by the algae remained in the top 2 millimeters of soil. The results suggest that although these algae can increase the polysaccharide content of the uppermost strata, where soil crust formation may present problems in agriculture, frequent irrigation is necessary to maintain algal growth. Tillage would be necessary to incorporate the algal polymers for soil conditioning at depths greater than 2 millimeters.</abstract><cop>Dordrecht</cop><pub>Martius Nijhoff Publishers</pub><doi>10.1007/BF02182443</doi><tpages>11</tpages></addata></record> |
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| identifier | ISSN: 0032-079X |
| ispartof | Plant and soil, 1985-01, Vol.88 (2), p.159-169 |
| issn | 0032-079X 1573-5036 |
| language | eng |
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| source | SpringerLink Journals; Jstor Complete Legacy |
| subjects | Acid soils Agricultural soils Agrology Agronomy Agronomy. Soil science and plant productions Algae Biological and medical sciences Biotechnology Chemical, physicochemical, biochemical and biological properties Fundamental and applied biological sciences. Psychology General agronomy. Plant production Industrial applications and implications. Economical aspects Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries Physics, chemistry, biochemistry and biology of agricultural and forest soils Polymers Polysaccharides Sandy loam soils soil amendment Soil inoculation Soil science Soil water Soil water content Soil-plant relationships. Soil fertility. Fertilization. Amendments |
| title | Microalgal polysaccharide production for the conditioning of agricultural soils |
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