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Soil microbial communities and activities under intensive organic and conventional vegetable farming in West Java, Indonesia Organic Eprints
Moeskops, Bram; -, Sukristiyonubowo; Buchan, David; Sleutel, Steven; Herawaty, Lenita; Husen, Edi; Saraswati, Rasti; Setyorini, Diah; De Neve, Stefaan.
We compared the effect of organic and conventional farming practices on soil microbial dynamics in West Java, Indonesia. A secondary forest was included to obtain natural reference values. On the organic farms, soil fertility is maintained mainly with composted organic matter in contrast to conventional farmers who combine fresh manure and chemical fertilizers, and typically apply large amounts of pesticides. Parameters measured were dehydrogenase, β-glucosidase, acid phosphomonoesterase and β-glucosaminidase activity, microbial biomass C (MBC) and microbial community composition by phospholipid fatty acid analysis. A strong negative impact of intensive chemical fertilizer and pesticide use on soil enzyme activities was demonstrated. Dehydrogenase and...
Tipo: Journal paper Palavras-chave: Soil quality.
Ano: 2010 URL: http://orgprints.org/17041/1/17041.pdf
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Soil quality indicators for intensive vegetable production systems in Java, Indonesia Organic Eprints
Moeskops, Bram; Buchan, David; Sukristiyonubowo, -; De Neve, Stefaan; De Gusseme, Bart; Widowati, Ladiyani Retno; Setyorini, Diah; Sleutel, Steven.
We explored the value of ergosterol, phospholipid fatty acid (PLFA) profiles and neutral lipid fatty acid (NLFA) 16:15c as soil quality indicators for the intensive systems of vegetable production in the humid tropical climate of West Java, by comparing organic and conventional management. Additionally, we measured dehydrogenase and -glucosidase activity. A secondary forest was included to obtain reference values under undisturbed conditions. Organic and conventional agriculture, and secondary forest each differed in the composition of the microbial community measured by PLFA profiles. Ergosterol appeared not to be universally applicable as a fungal biomarker and in this respect seemed to be inferior compared to PLFA fungal markers. NLFA 16:15c may...
Tipo: Journal paper Palavras-chave: Soil quality; Soil biology.
Ano: 2012 URL: http://orgprints.org/20417/1/Moeskops_et_al_2012.pdf
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soilveg project in soil Organic Eprints
De Neve, Stefaan; Gebremikael, Mesfin; Kristensen, Hanne L.; Testani, Elena.
soilbeg findings in soil and fertility
Tipo: Conference paper, poster, etc. Palavras-chave: "Organics" in general.
Ano: 2018 URL: http://orgprints.org/33628/1/DAY%202_preview%3D5.%2BFinal%2Bsoilveg%2Bmeeting_Soil_fertility.pptx
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