ORGANIC SOILS and PEAT MATERIALS for SUSTAINABLE AGRICULTURE - CHAPTER 2 pot

... CaO 46.5 ± 20 .8 42. 5 ± 11.7 37.8 ± 9.3 36.4 ± 9 .2 32. 2 ± 7.5 Magnesium — MgO 3 .21 ± 1 .2 3 .2 ± 2. 1 2. 7 ± 2. 2 2. 2 ± 1.6 2. 6 ± 3.3 Phosphorus – P 2 O 5 4.68 ± 4.0 3 .21 ± 1. 02 1.90 ± 0. 32 1.66 ± 0.44 ... SiO 2 167 ± 75 94 ± 53 48 ± 30 32 ± 27 9 ± 4 Potassium – K 2 O 0.8 ± 0 .21 0.86 ± 0.55 0.47 ± 0 .20 0. 42 ± 0 .25 0 .29 ± 0.07 Sodium – Na 2 O 1.89 ± 1.34 2....

Ngày tải lên: 11/08/2014, 15:20

... b) R 2 Pristine Peat Materials Field-moist 3.79–6. 02 2.74–5.16 pH W = 0.852pH CaCl 2 + 1.670 0.908 Field-moist 3.79–6. 02 2.44–5.11 pH W = 0.776pH KCl + 2. 105 0.896 Field-moist 2. 74–5.16 2. 44–5.11 ... pH CaC l 2 = 0.900pH KCl + 0.558 0.993 Oven-dry 3.43–6. 02 2.74–5.64 pH W = 0.870pH CaCl 2 + 1 .24 7 0. 922 Oven-dry 3.43–6. 02 2.39–5.61 pH W = 0.765pH KCl + 1.80...

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: ... references and index. ISBN 0-8 49 3-1 45 8-5 (alk. paper) 1. Histosols. 2. Peat soils. 3. Sustainable agriculture. I. Parent, Léon-Etienne. II. Ilnicki, Piotr. S5...

Ngày tải lên: 11/08/2014, 15:20

... 0. 822 4 0.5615 0.0 322 1.7839 Median 0.8195 0.5486 0. 023 6 1.7499 Maximum 0.8671 0.6 925 0. 128 1 2. 27 72 Minimum 0.7513 0.4714 0.0108 1.4630 Standard deviation 0. 026 2 0.0 529 0. 024 4 0.18 82 CV a (%) 3.18 ... 143.90r b 26 4 0 .29 5 Reed q = 38.63 + 94.19r b 20 7 0 .23 7 Alder q = 48 .22 + 65.35r b 20 1 0.170 Moorsh q = 40. 52 + 38.10r b 5 52 0.045 4 .2 Sedge moss q = –4.43 +...

Ngày tải lên: 11/08/2014, 15:20

... 19 52 1893 0 .26 NS 23 .8 123 ,077 119,391 0.93 NS 11.3 — — — — 1995 22 35 22 30 0.60 NS 26 .1 63, 022 71,608 0.65 NS 17.4 39 ,26 3 46,980 0 .28 NS 25 .2 1996 9966 8703 0.08 NS 32. 4 148,774 143,773 0 .24 NS 18.4 ... improve IVVs PPPP =-( )/ ** V P * s P * V P * s P * I P =- + =(. . )/. .3 6 4 0 52 0 105 4 3 c 22 222 =+++IIII CNPR V P * s P * III I CNP R 22 2 2 , , , ,...

Ngày tải lên: 11/08/2014, 15:20

... 39,093 123 5 91.1 4.09 27 .5 4.9 1.80 34 .2 131.9 166 22 41 122 8 1486 13 62 43 62 9 24 , 326 77 6 91.1 4.96 56.4 12. 6 0.96 70.0 95.8 166 39 62 1713 1468 1135 26 2 23 2 10 41,8 62 1 32 7 92. 2 4. 72 46.7 13.1 ... 1483 28 4 25 2 79 45, 623 144 20 92. 7 4.66 39.4 10.4 1.44 51 .2 1 02. 8 154 21 97 8 42 978 755 35 30 31 30,815 97 21 87.3 5.65 64.6 8.0 1. 12 73.7 72. 2 146 89...

Ngày tải lên: 11/08/2014, 15:20

... (± )-( EZ ) -2 -( 1-Ethoxyiminobutyl )-5 -[ 2- ( ethylthio)propyl ]-3 - hydroxycyclohex -2 - enone Simazine 2- Chloro-4,6-bis(ethylamino)-s-triazine Terbuthylazine 2- tert-Butylamino-4-chloro-6-ethylamino-1.3.5-triazine Thiobencarb S-(4-Chlorophenyl)methyl ... carboxylate DDT 1.1.1-Trichloro -2 . 2-di(4-chlorophenyl)ethane Deltamethrin (S)-a-Cyano-3-phenoxybenzyl-(1R,3R )-3 -...

Ngày tải lên: 11/08/2014, 15:20

... (10, 126 km 2 ) and Bogs (751 km 2 ) in Poland Use Fen Bog (km 2 ) (%) (km 2 ) (%) Forest 917 9.1 353 47.0 Grassland 7436 73.4 129 17 .2 Arable land 55 0.5 — — Undrained peatland 129 0 12. 7 21 5 28 .6 Cutover ... 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...

Ngày tải lên: 11/08/2014, 15:20

... short- and intermediate-term dynamics (Benbi and Richter, 20 02) , whereas single-pool (Feng and Li, 20 01) and noncompartment models (Ångren and Bosatta, 1987) satisfactorily describe long-term ... e.g., 100 25 0, 25 0 20 00, 800 0 -2 00 µm Concentrate recent inputs of plant and organic residues and biologically active SOM: Hassink et al., 1993; Magid and Kjaergaard, 2...

Ngày tải lên: 12/08/2014, 05:21

... Clover 1.90 52 6.57 44 G. etunicatum BR 220 Clover 1.11 58 11. 82 12 Gi. rosea FL 224 Clover 2. 05 52 5 .25 12 Gi. gigantea MA401C Clover 1.63 48 5.45 46 Gi. gigantea MA453A Clover 1 .28 50 4.08 47 G. ... 13.80 22 Gi. rosea FL 224 Corn 2. 46 40 2. 13 140 Gi. gigantea MA401C Corn 1.47 39 7.58 105 Gi. gigantea MA453A Corn 2. 74 40 7.56 153 G. viscosum MD215 Corn 0.47 92 1 .22 94 G....

Ngày tải lên: 12/08/2014, 05:21