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http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/2722| Title: | Assessment of soil properties by organic matter and EM-microorganism incorporation |
| Keywords: | quality indicators microorganisms physical, chemical, and biochemical soil properties |
| Issue Date: | 30-May-2013 |
| Publisher: | Sociedade Brasileira de Ciência do Solo |
| Description: | Properties of a claim loam soil, collected in Aranjuez (Madrid) and enriched with organic matter and microorganisms, were evaluated under controlled temperature and moisture conditions, over a period of three months. The following treatments were carried out: soil (control); soil + 50 t ha-1 of animal manure (E50); soil + 50 t ha-1 of animal manure + 30 L ha-1 of effective microorganisms (E50EM); soil + 30 t ha-1 of the combination of various green crop residues and weeds (RC30) and soil + 30 t ha-1 of the combination of various green crop residues and weeds + 30 L ha-1 of effective microorganisms (RC30EM). Soil samples were taken before and after incubation and their physical, chemical, and microbiological parameters analyzed. Significant increase was observed in the production of exopolysaccharides and basic phosphatase and esterase enzyme activities in the treatments E50EM and RC30EM, in correlation with the humification of organic matter, water retention at field capacity, and the cationic exchange capacity (CEC) of the same treatments. The conclusion was drawn that the incorporation of a mixture of effective microorganisms (EM) intensified the biological soil activity and improved physical and chemical soil properties, contributing to a quick humification of fresh organic matter. These findings were illustrated by the microbiological activities of exopolysaccharides and by alkaline phosphatase and esterase enzymes, which can be used as early and integrated soil health indicators. |
| URI: | http://koha.mediu.edu.my:8181/jspui/handle/123456789/2722 |
| Other Identifiers: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832003000300013 http://www.doaj.org/doaj?func=openurl&genre=article&issn=01000683&date=2003&volume=27&issue=3&spage=519 |
| Appears in Collections: | Agriculture and Food Sciences |
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