搜索结果: 1-7 共查到“农学总论 Sludge”相关记录7条 . 查询时间(0.062 秒)
Effect of Composting with Bark Amendment on Nitrogen and Manganese Content in Water Clarifier Sludge
Nitrogen Manganese Water Clarifier Sludge
2009/7/13
Effect of pre-mixing bark amendment into water purification sludge before auto-composting on nitrogen and manganese content of the sludge and quality as material for potting media was investigated. Ea...
The most beneficial and appropriate method for sludge resulting from food industry waste water treatment is composting with various kinds of bulking agents. During composting, the organic material in ...
Microbiological indices of soil quality fertilized with dairy sewage sludge
dairy sewage sludge microorganisms respiration activity soil
2008/11/26
The study was performed on a pot experiment in which a grey-brown podzolic soil was amended with two different doses of dairy sewage sludge (30 and 75 t ha-1) – 1 and 2.5% of DSS. During periode of in...
Changes in biochemical activity of podzolic soil under willow culture in the second year of treatment with municipal-industrial sewage sludge
biochemical activity soil sewage sludge
2008/11/26
The objective of the study was to investigate the effect of various doses of municipal-industrial sewage sludge (1, 2.5, 5, 10, and 20%) on selected biochemical parameters of a podzolic soil under wil...
CO2, N2O and NH3 emissions from two different type of soils as affected by applications of dairy sewage sludge
brown soil carbon dioxide dairy sewage sludge grey-brown podzolic soil nitrous oxide
2008/11/21
A pot experiment with the dairy sewage sludge (DSS) was conducted under aerobic condition (60% WHC, water holding capacity) for a period of 240 days. The emissions of carbon dioxide (CO2), nitrous oxi...
Preliminary study of sludge effect on soil microbial activity of a podzolic soil under willow culture
microorganisms activity soil sewage sludge
2008/11/13
The study was performed on a model of a field experiment in which a podzolic soil was fertilized with various doses of municipal-industrial sewage sludge (1, 2.5, 5, 10 and 20% of dry mass). Next, th...
EFFECT OF PYRIDINE AND FORMALDEHYDE ON A MACROPHYTE (LEMNA MINOR L.) AND A SLUDGE WORM (TUBIFEX TUBIFEX MÜLLER) IN FRESH WATER MICROCOSMS
Lemna minor L. Tubifex tubifex Müller formaldehyde pyridine toxicity microcosms
2010/3/25
Pyridine, a suspected genotoxic and formaldehyde, a potent carcinogen, are present in several
industrial wastewater including commercial solvent, resin and pesticide manufacturing industries. The ext...