Soil pH and Organic Matter pptx

... • Soil pH and Organic Matter Summary Soil pH is a measure of a soil solution’s acidity and alkalinity that affects nutrient solubility and availability in the soil. Factors influencing soil ... what soil pH is and how it is calculated 2. Understand how soil pH affects nutrient availability in the soil 3. Learn techniques for managing soil pH 4. Know...

Ngày tải lên: 05/03/2014, 21:20

... Technol. Table 1. Initial soil physical and chemical (carbon, nitrogen and organic matter content) properties at 0 - 22 and 22 - 55 cm soil layers in the ferrallitic soil of the Toumodi area, ... 5 4 . 0 Organic matter content (%) S o il l a y e r s ( c m ) n M c M p M Figure 2. Responses in soil organic matter content at 0 - 22 and 22 - 55 cm soil...

Ngày tải lên: 23/03/2014, 21:20

... Performance Liquid Chromatography (JASCO HPLC) with UV detector at wavelength of 280 nm mobile phase with 0.1% phosphoric acid-water/acetonitrile in a 40/60 ratio, and flow rate of 0.8 ml/min. ... Nishijima W., Itoh H., Okada M., and Murakami A. (1993) Simultaneous removal of phenol and ammonium nitrogen by activated process added with biological support media and fixed-bed proces...

Ngày tải lên: 05/09/2013, 08:40

... from farmland contains dissolved organic matter (DOM) and nutrients. In particular, the agricultural discharge water partly includes recalcitrant organic matter derived from the leaves and stems ... field. Concentrations of total organic carbon (TOC), total nitrogen (TN), total phosphorus (TP) and heavy metals (Cr, Fe, Zn and Pb) in water samples taken before and afte...

Ngày tải lên: 05/09/2013, 09:38

... treated organic chemistry as a separate independent entity. Organic chemistry developed much more slowly than inorganic or mineral chemistry. Most of the organic compounds that were known and used ... H 2 NC(O)NH 2 , an organic compound, from its structural isomer, ammonium cyanate or NH 4 CNO, an inorganic compound. Thereafter, the vitalistic theory was gradually abandoned and o...

Ngày tải lên: 13/12/2013, 16:15

... FLOW WETLAND (Le Anh Tuan and Guido Wyseure) 2 Soil organic matter (OM) is the organic fraction of soil, including wastewater pollutants, plant roots, animal and plant residues, and microbial ... micro-organisms in the wetland system. Composed organic matters synthesize dark, amorphous, colloidal mass, called humus. Humus is the active component of soil organic matte...

Ngày tải lên: 24/01/2014, 00:20

... guides: catalogs, bibliographies and bibliographic databases 5. Guide to Organic Marketing and Trade Periodicals, Calendars and Trade Shows Trade and marketing magazines and e-zines; market research ... market and industry trends, report on consumer studies and regulatory issues and offer company and commodity sector profiles. They often cover natural and organic p...

Ngày tải lên: 19/02/2014, 03:20

... History of the problem and possible remediation approaches (Bioremediation, Soil Washing, Adsorption, Photooxidation) •Photocatalysis using UV light and nanosize TiO 2 and SnO 2 . •Photocatalysis using ... Intermediate Photooxidation Products Depend on Catalyst Material tsnl Synthesis and Application of Nanosize Semiconductors for Photoxidation of Toxic Organic Chemicals J.P. Wi...

Ngày tải lên: 14/03/2014, 20:20

... the uptake and degradation of organic matter by microorganisms, then DOM should play a key role in the stabilisation and destabilisation of soil organic matter, and thus, in C dynamics and C pools of soils. ... solid and dissolved carbon in a spruce-fir spodosol. Biogeochemistry 35, 339 – 365. Elliott, E.T., 1986. Aggregate structure and carbon, nitrogen, and phosphorou...

Ngày tải lên: 15/03/2014, 23:22