improving garden soils with organic matter

... the preservation of organic matter in soils. Org. Geochem. 31, 711 – 725. Kaiser, K., Guggenberger, G., Zech, W., 2001a. Organically bound nutrients in dissolved organic matter fractions in seepage ... can only be applied to organic matter in soil solutions extracted with lysimeters. In most studies where soluble organic matter is obtained after extraction from the soil wi...

Ngày tải lên: 15/03/2014, 23:22

... humified organic matter. J Soil Sci 1980;31:633 –41. Sauve S, Hendershot W, Allen HE. Solid-solution partitioning of metals in contaminated soils: dependence on pH, total metal burden, and organic matter. ... between soils both rich and poor in solid phase organic matter. We have not made additions to the soils; neither trace metal concentrations nor organic matter contents h...

Ngày tải lên: 15/03/2014, 23:22

... The adsorption capacity of PAC decreased with incubation time. In other word, the adsorption capacity of PAC increased with increase in the amount of organic carbon on PAC. The adsorption capacity ... process. The adsorption of DOM with molecular weight ranged from 50,000 to 300,000 Da decreased the adsorption capacity of PAC in the aeration tank for 3,5-DCP. However, DOM with mol...

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 ... remove organic matter, nutrients and heavy metals from agricultural drainage. Water treatment equipment containing wood charcoal was installed in a test paddy field. Concentrations of tot...

Ngày tải lên: 05/09/2013, 09:38

... that the organic contamination in the treatment process impeded the arsenic removal efficiency depending on the types and concentrations of the organic matters. The impact of organic matter contamination ... by organic matters and finally released in the effluent water. Secondly, some part of the dissolved arsenic anions combined with the aqueous organic- metal complexes and e...

Ngày tải lên: 05/09/2013, 09:38

... biological reaction might modify the properties of dissolved organic matter (DOM) for binding with heavy metals. Complexation of heavy metals with DOM determines their environmental and ecological ... biodegradation, dissolved organic matter, river water, wastewater treatment plant effluent, zinc complexation. INTRODUCTION AND BACKGROUND Dissolved organic matter (DOM) i...

Ngày tải lên: 05/09/2013, 10:15

... 2008). As Matsui (1975) reported that particulate organic matter did not affect COD Mn , the possibility of accumulation of dissolved organic matter (DOM) is pointed out (Imai, 2002). On the ... (2005). Behavior of organic matter in Lake Biwa, Annual Rep. Lake Biwa Res. Inst., 22, 161-170. (in Japanese) Hayakawa K. and Takahashi M. (2002). Behavior of dissolved organic matt...

Ngày tải lên: 05/09/2013, 10:17

... [ Team LiB ] Recipe 9.6 Improving DataReader Performance with Typed Accessors Problem You need to improve performance when accessing data

Ngày tải lên: 24/10/2013, 11:15

... [ Team LiB ] Recipe 9.7 Improving DataReader Performance with Column Ordinals Problem You want to use column ordinals rather than column ... accessors that are index-based, nonspecific, provider-specific, nonspecific with null check, and provider-specific with null check. The C# code is shown in Example 9-11 . Example 9-11. File: ... rather than column names to retrieve data...

Ngày tải lên: 24/12/2013, 05:15

... ============================================================================ ORGANIC MATTER DISTRIBUTION OF THE ROOT ZONE IN A CONSTRUCTED SUBSURFACE FLOW WETLAND (Le Anh Tuan and Guido Wyseure) 2 Soil organic matter (OM) is the organic fraction of ... distribution of the organic matter in sand bed was done in the experimental constructed subsurface flow wetland in Can Tho U...

Ngày tải lên: 24/01/2014, 00:20