ORGANIC SOILS and PEAT MATERIALS for SUSTAINABLE AGRICULTURE - CHAPTER 3 ppsx

... 85 80 75 70 65 60 55 50 45 K ( θ ) K s ( θ s ) peat 1 peat 1 peat 5 peat 5 peat 4 peat 4 peat 3 peat 3 peat 2 peat 2 © 20 03 by CRC Press LLC 86 .3 to 89.8∞ using the dynamic capillary rise approach. ... 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...

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: ... soils, HSt, Fibric Organic soils Dystri-HSf, Dystri-Fibric Organic soils Dystri-HSf, Dystri-Fibric Organic soils IV B. Post-paludic soils IV B1. Moorsh IVB1a – pe...

Ngày tải lên: 11/08/2014, 15:20

... 2.7–4.2 (m 3 m 3 ) Moss-sedge peat R 1 0.920 0.257 0 .30 7 0. 533 0. 132 Alder swamp peat R 3 0.885 0.248 0.145 0 .35 2 0.207 Peaty moorsh 0.885 0.161 0.257 0.507 0.217 Humic moorsh 0. 830 0.172 0.186 0 .38 2 ... follows for peat materials: PD = 0.011ash + 1.45 (2.2) (Okruszko, 1971) PD = 0.0086ash + 1.44 (2 .3) (TGL 31 222/ 03, 1985) and for mud materials: PD = 0.012...

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 ... M KCl Pristine Peat Materials (n = 71, s e = 0.218) Field-moist (FM) 4. 73 3.69 3. 48 <0.01 <0.01 Air-dry (AD) 4 .34 3. 62 3. 41 <0.01 <0.01 Oven-dry...

Ngày tải lên: 11/08/2014, 15:20

... kg –1 ) 4 33 744 23 –1. 43 –4.55 33 18 5 33 39 2 12 –1 .30 3. 77 1 03 71 6 48 139 4 29 –1.09 –4.46 27 23 7 32 529 16 –1.14 3. 93 55 85 8 28 2 63 9 –1.58 3. 81 20 182 9 41 1528 37 –0.97 –4.58 31 22 10 39 1500 ... 000 0 0 27 35 15 37 0 2 735 15 37 37 27 35 15 73 0 2 735 15 73 37 27 35 15 73 37 13. 5 17.5 7.5 73 37 0 0 0 Carrot (Daucus carota L.) 0 0 000 0 0 20 20 40...

Ngày tải lên: 11/08/2014, 15:20

... 166 39 62 17 13 1468 1 135 262 232 10 41,862 132 7 92.2 4.72 46.7 13. 1 1 .38 61.2 115.1 176 1190 133 715 485 50 43 24 37 ,717 119 8 83. 1 6.69 90.8 7.8 0 .36 99.0 66.4 165 8802 37 63 332 2 2025 704 4 73 34 ... 5510 30 33 1677 1215 220 1 63 35 25,491 80 4 89.6 5.55 56.4 9.7 1.41 67.5 78.4 146 16 13 333 1191 822 59 47 35 39 ,0 93 1 23 5 91.1 4.09 27.5 4.9 1.80 34 .2 131 .9 166...

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 ... O.O-Diethyl-O- [3. 5.6-trichloro-2-pyridyl]-phosphorothioate Cypermethrin...

Ngày tải lên: 11/08/2014, 15:20

... 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 ... 10.2 Peatland Used for Agriculture in European Countries No. Country Total Area (km 2 ) Peatland Area Used for Agriculture (km 2 ) (%) 1 Belarus 23, 967 9 631 40 2...

Ngày tải lên: 11/08/2014, 15:20

... (1.6 to 2.2 g cm 3 ) were partially or completely humified fine POM, and the dense fraction (>2.2 g cm 3 ) consisted of relatively organic- matter-free sand and organic- matter-rich clays. Methodological ... and densities and fraction labels vary as, e.g., > 53 µm < 1.6 g cm 3 , 150 30 00 µm <1. 13 g cm 3 ; <250 µm and then 1 .37 g cm 3 , >250 µm an...

Ngày tải lên: 12/08/2014, 05:21

... (1989) link GIS and air-dispersion models for EIA, Moore (1991) uses a model to simulate point pollution and construct health-risk maps for California, and Rinaldi et al. (19 93) add up air pollution ... Method for Predicting the Conse- quences of Land Management in Urban Habitats, Environmental Management, Vol. 28, No. 3 (September), pp. 37 5–87. Zhuang, X. and Burn, M. (19...

Ngày tải lên: 11/08/2014, 20:20