ORGANIC SOILS and PEAT MATERIALS for SUSTAINABLE AGRICULTURE - CHAPTER 10 (end) ppsx

... alternate rows of peat and sand at an angle of 135° and in sand covering the peat. The peat: sand ratio was between 2:1 (coarse sand and fibric peat) and 1:2 (fine sand and sapric peat) . Organic matter ... Netherlands and Germany, and 70% in Denmark, Poland, and Switzerland. Meadows and pastures are considered to be the most effective conservation practice (see Table...

Ngày tải lên: 11/08/2014, 15:20

... PtT-II-III or MtI-II-III (Table 1.12) Soils are classified: a, b, c (Table 1.4) Soils are classified as (Tables 1.4 and 1.13): aa-ab-ac or a1-a2-a3-a4 ba-bb-bc or b1-b2-b3-b4 ca-cb-cc or c1-c2-c3-c4 Source: ... Organic soils Dystri – Haplic Organic soils Fibric Organic soils Eutri-Hss, Eutri-Terric Organic soils, HSt, Fibric Organic soils Dystri-HSf, Dystri-Fibric Org...

Ngày tải lên: 11/08/2014, 15:20

... natural and drained fen soils was investigated by Petal (1994). Nest density and frequency were lower in soils derived from alder peat compared to sedge or sedge-moss peat materials. Number and abundance ... consolidation and subsidence after drain- age, then accelerated by repeated shrinkage and swelling upon successive drying and wetting, and by microbial decompositio...

Ngày tải lên: 11/08/2014, 15:20

... d -1 ) 1.0E+1 1.0E+0 1.0E-1 1.0E-2 1.0E-3 1.0E-4 1.0E+2 1.0E+1 1.0E+0 1.0E-1 1.0E-2 1.0E-3 1.0E-4 1.0E+2 Pressure head (cm) Pressure head (cm) 1 10 100 100 0 1 10 100 100 0 a) b) H 8-9 (Bartels and Kuntze, 1973) H 8-9 (Bartels and Kuntze, 1973) H 2-3 (Illner and Raasch, ... 11:129–136. Gnatowski, T., Brandyk, T., Szatylowicz, J., and Oleszozuk, R. 1999. Parameter estim...

Ngày tải lên: 11/08/2014, 15:20

... 4.5 for organic soils showing 30–60% SOM and rich in clay and silt; they also recommended a target pH of 4.0 for organic soils showing 30–60% SOM and rich in sand, as well as for organic soils ... water and 0.01 M CaCl 2 suspensions. A constant pH drop was observed only for loam and silt soils. Two air-dry pristine peat materials, a Sphagnum-Carex peat (pH...

Ngày tải lên: 11/08/2014, 15:20

... permission.) 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 N/P ratio in SOM Relative P mineralization (%) 0 10 20 30 40 50 60 70 80 90 100 -4 ,6 -4 ,5 -4 ,4 -4 ,3 -4 ,2 -4 ,1 -4 -3 ,9 -3 ,8 -3 ,7 V P multiratio ... S. and Aro, L. 1999. Forestry use of cut-away peatlands, in Peatlands in Finland. Vasander, H. (Ed.), Finnish Peatland Society...

Ngày tải lên: 11/08/2014, 15:20

... J.J. and Hamilton, H.A. 1980. Vegetable production on organic soils in Canada, in The Diversity of Peat —Peatlands Seminar. Pollett, F.C., Rayment, A.F., and Robert- son, A., Eds., Newfoundland ... sorption kinetics by peat- muck soils. Proc. 5th Int. Peat Congr., II:236–245. Sapek, B. and Zebrowski, W. 1976. Comparison of copper binding rate by peat- muck soils at various...

Ngày tải lên: 11/08/2014, 15:20

... isoprophylphosphoramidate Fenvalerate (S)-Alpha-cyano-3-phenoxybenzyl(S )-2 - (-4 -chlorophenyl )-3 - methylbutyrate Flamprop-methyl N-benzoyl-N-(3-chloro- 4- uorophenyl)-DL-alanine Fonofos O-ethyl-s-phenyl ethyl phosphonodithiote Glufosinate ammonium Ammonium-DL-homoalanin-4-yl(methyl)-phosphinic ... phosphonodithiote Glufosinate ammonium Ammonium-DL-homoalanin-4-yl(methyl)-phosp...

Ngày tải lên: 11/08/2014, 15:20

... digestion for organic destruction, and grout, phosphate bonded ceramic, or polymer for stabilization. The enhanced non-thermal systems included non-thermal organic destruction and vitrification for stabilization. These ... Wilson, J.M., Ruhter, A.H., and Bonney, S.J. 1994. Quantities and Characteristics of the Contact-Handled Low-Level Mixed Waste Streams for the DOE Compl...

Ngày tải lên: 11/08/2014, 06:23

... are considered r-strategists and plants and animals K-strategists, there are differences in growth strategies among microorgan- isms (Andrews and Harris, 1986; Table 10. 2). K-strategists favor ... 69:395–400. Elliott, L. F., and J. M. Lynch. 1994. Biodiversity and soil resilience. In Greenland, D. J. and I. Szabolcs (Eds.), Soil Resilience and Sustainable Land Use. CAB Inter...

Ngày tải lên: 12/08/2014, 05:21