Effects of humic substances derived from organic waste enhancement on the growth and mineral nutrition of maize
A physico-chemical process has been developed to transform and enhance lignocellulosic waste in liquid humic extracts: humic-like substances (HLS). The aim of this study was to determine the effects of HLS on plant physiology in order to consider their agricultural use as organic fertilizers. The ef...
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| Veröffentlicht in: | Bioresource technology 2008-07, Vol.99 (10), p.4206-4212 |
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| creator | Eyheraguibel, B. Silvestre, J. Morard, P. |
| description | A physico-chemical process has been developed to transform and enhance lignocellulosic waste in liquid humic extracts: humic-like substances (HLS). The aim of this study was to determine the effects of HLS on plant physiology in order to consider their agricultural use as organic fertilizers. The effects of HLS were evaluated on maize seed germination, and their impact on growth, development and mineral nutrition was studied on maize plants cultivated under hydroponic conditions. The experimental results showed that HLS do not increase the percentage and rate of germination but enhance the root elongation of seeds thus treated. Positive effects were also observed on the whole plant growth as well as on root, shoot and leaf biomass. These effects can be related to the high water and mineral consumption of plants undergoing this treatment. The high water efficiency indicated that such plants produce more biomass than non-treated plants for the same consumption of the nutrient solution. Furthermore, the use of HLS induced a flowering precocity and modified root development suggesting a possible interaction of HLS with developmental processes. Considering the beneficial effect of HLS on different stages of plant growth, their use may present various scientific and economic advantages. The physico-chemical transformation of sawdust is an interesting way of enhancing organic waste materials. |
| doi_str_mv | 10.1016/j.biortech.2007.08.082 |
| format | Article |
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The aim of this study was to determine the effects of HLS on plant physiology in order to consider their agricultural use as organic fertilizers. The effects of HLS were evaluated on maize seed germination, and their impact on growth, development and mineral nutrition was studied on maize plants cultivated under hydroponic conditions. The experimental results showed that HLS do not increase the percentage and rate of germination but enhance the root elongation of seeds thus treated. Positive effects were also observed on the whole plant growth as well as on root, shoot and leaf biomass. These effects can be related to the high water and mineral consumption of plants undergoing this treatment. The high water efficiency indicated that such plants produce more biomass than non-treated plants for the same consumption of the nutrient solution. Furthermore, the use of HLS induced a flowering precocity and modified root development suggesting a possible interaction of HLS with developmental processes. Considering the beneficial effect of HLS on different stages of plant growth, their use may present various scientific and economic advantages. The physico-chemical transformation of sawdust is an interesting way of enhancing organic waste materials.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2007.08.082</identifier><identifier>PMID: 17962015</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Agriculture - methods ; Agronomy. Soil science and plant productions ; Applied sciences ; Biodegradation, Environmental ; Biological and medical sciences ; Biomass ; Biotechnology - methods ; Carbon - chemistry ; Exact sciences and technology ; Fertilizers ; Fundamental and applied biological sciences. 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The aim of this study was to determine the effects of HLS on plant physiology in order to consider their agricultural use as organic fertilizers. The effects of HLS were evaluated on maize seed germination, and their impact on growth, development and mineral nutrition was studied on maize plants cultivated under hydroponic conditions. The experimental results showed that HLS do not increase the percentage and rate of germination but enhance the root elongation of seeds thus treated. Positive effects were also observed on the whole plant growth as well as on root, shoot and leaf biomass. These effects can be related to the high water and mineral consumption of plants undergoing this treatment. The high water efficiency indicated that such plants produce more biomass than non-treated plants for the same consumption of the nutrient solution. Furthermore, the use of HLS induced a flowering precocity and modified root development suggesting a possible interaction of HLS with developmental processes. Considering the beneficial effect of HLS on different stages of plant growth, their use may present various scientific and economic advantages. The physico-chemical transformation of sawdust is an interesting way of enhancing organic waste materials.</description><subject>Agriculture - methods</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Applied sciences</subject><subject>Biodegradation, Environmental</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>Biotechnology - methods</subject><subject>Carbon - chemistry</subject><subject>Exact sciences and technology</subject><subject>Fertilizers</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humic Substances</subject><subject>Hydrogen-Ion Concentration</subject><subject>Hydroponic culture</subject><subject>Hydroponics</subject><subject>Life Sciences</subject><subject>Maize</subject><subject>Organic Chemicals - chemistry</subject><subject>Plant breeding</subject><subject>Plant Leaves - metabolism</subject><subject>Plant Roots - metabolism</subject><subject>Plant Shoots - metabolism</subject><subject>Plants</subject><subject>Pollution</subject><subject>Vegetal Biology</subject><subject>Waste enhancement</subject><subject>Wastes</subject><subject>Whole plant growth</subject><subject>Zea mays</subject><subject>Zea mays - chemistry</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUGP1CAUxxujccfVr7By0cTDjA9Kob252ayuySQedM-EwuuUSVtWoLPRTy9Nx_VoeIQEfu8P4VcUVxR2FKj4eNy1zoeEpt8xALmDOhd7VmxoLcsta6R4XmygEbCtK8YvilcxHgGgpJK9LC6obAQDWm0Kf9t1aFIkviP9PDpD4tzGpCeDkVgM7oSWdMGPxIeDnvL5o44JCU79wow4JeInknokh-AfU0_0ZMnoJgx6INOcgksuAzl-1O43vi5edHqI-Oa8Xhb3n29_3Nxt99--fL253m9NxUXadly0lrMGrJbMoGkkr4yp27ISumrAcGitsAYEp0K2gmuUgtu60a2udNvY8rL4sOb2elAPwY06_FJeO3V3vVfLHkDD8yxPNLPvV_Yh-J8zxqRGFw0Og57Qz1HRRpRS8jKDYgVN8DEG7J6SKahFizqqv1rUokVBnYvlxqvzDXM7ov3XdvaQgXdnQEejhy7kz3XxiWPAyjzqzL1duU57pQ8hM_ffc0IJUEvOYUn6tBKYf_fkMKhoHGZV1oUsWlnv_vfaP3PHuRg</recordid><startdate>20080701</startdate><enddate>20080701</enddate><creator>Eyheraguibel, B.</creator><creator>Silvestre, J.</creator><creator>Morard, P.</creator><general>Elsevier Ltd</general><general>[New York, NY]: Elsevier Ltd</general><general>Elsevier Science</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>20080701</creationdate><title>Effects of humic substances derived from organic waste enhancement on the growth and mineral nutrition of maize</title><author>Eyheraguibel, B. ; Silvestre, J. ; Morard, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c546t-f46bd4290da72cec9745cc8b356a590c40bd6dc064167b64ae764d89aba5ab9d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Agriculture - methods</topic><topic>Agronomy. 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| subjects | Agriculture - methods Agronomy. Soil science and plant productions Applied sciences Biodegradation, Environmental Biological and medical sciences Biomass Biotechnology - methods Carbon - chemistry Exact sciences and technology Fertilizers Fundamental and applied biological sciences. Psychology Humic Substances Hydrogen-Ion Concentration Hydroponic culture Hydroponics Life Sciences Maize Organic Chemicals - chemistry Plant breeding Plant Leaves - metabolism Plant Roots - metabolism Plant Shoots - metabolism Plants Pollution Vegetal Biology Waste enhancement Wastes Whole plant growth Zea mays Zea mays - chemistry |
| title | Effects of humic substances derived from organic waste enhancement on the growth and mineral nutrition of maize |
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