ORGANIC SOILS and PEAT MATERIALS for SUSTAINABLE AGRICULTURE - CHAPTER 5 pot

... CaCl 2 vs. 1 M KCl Pristine Peat Materials (n = 71, s e = 0. 158 ) Field-moist (FM) 5. 43 5. 44 5. 45 NS NS Air-dry (AD) 5. 51 5. 51 5. 53 NS NS Oven-dry (OD) 5. 68 5. 64 5. 67 NS NS Probability Level FM ... Materials 5. 08–6.63 5. 03–6 .57 pH FM = 1.005pH AD + 0. 053 0.991 5. 08–6.63 5. 02–6 .51 pH FM = 1. 055 pH OD – 0.214 0.979 5. 03–6 .57 5. 02–6 .51 pH AD = 1....

Ngày tải lên: 11/08/2014, 15:20

... m –3 ) pF 2.7–4.2 (m 3 m –3 ) Moss-sedge peat R 1 0.920 0. 257 0.307 0 .53 3 0.132 Alder swamp peat R 3 0.8 85 0.248 0.1 45 0. 352 0.207 Peaty moorsh 0.8 85 0.161 0. 257 0 .50 7 0.217 Humic moorsh 0.830 0.172 ... (kg total C) -1 Topola-Blonie M 1 5 10 0.0404 0.0940 0.0642 0. 252 0 0.3 952 0. 157 1 0 .55 23 M 2 15 20 0.0408 0.0869 0. 052 8 0.2369 0.4 458 0.1290 0 .57 48 M 3 23–28...

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

... d -1 ) Volumetric moisture content (%) 95 90 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 © 2003 by CRC Press LLC 86.3 to ... kg –1 ) Saturated Moisture Content (m 3 m -3 ) Saturated Hydraulic Conductivity (cm d –1 ) 1 40 50 0.1 45 75 0.904 103.0 2 40– 45 50 0.136 86 0.911 244....

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 ... 22 87 43 0 0 0 Celery (Apium graveolens L.) 0 0 000 0 0 27 35 15 37 0 27 351 5 37 37 27 35 15 73 0 27 351 5 73 37 27 35 15...

Ngày tải lên: 11/08/2014, 15:20

... 90 11 84.8 5. 15 63.2 17 .5 0 .55 81.3 73.9 155 2466 7 95 1269 898 106 88 31 48,347 152 12 83.8 6.02 82.8 12.0 1.12 95. 9 65. 1 161 55 98 3 658 1 859 1432 309 138 57 50 ,100 158 13 83.7 5. 43 56 .3 17 .5 0.41 ... 6 .58 39.1 5. 2 0.61 44.9 12 .5 57 55 10 3033 1677 12 15 220 163 35 25, 491 80 4 89.6 5. 55 56.4 9.7 1.41 67 .5 78.4 146 1613 333 1191 822 59 47 35 39,093 123...

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

... alternate rows of peat and sand at an angle of 1 35 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 ... 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 peatla...

Ngày tải lên: 11/08/2014, 15:20

... unpublished data. With permission.) C/N agricultural soils POM from agricultural soils forest soils . 05 .10 . 15 .20 . 25 .30 . 35 .40 . 45 5 10 15 20 25 30 35 H/C B&IP3DJH0RQGD\$SULO$0 © ... dynamics of loose- and occluded-particulate and humified organic matter fractions. Soil Biol. Biochem. 32, 1 151 –1160. Wander, M.M., S.J. Traina,...

Ngày tải lên: 12/08/2014, 05:21

... 154 Cover and Rotation Crops and General Suppression 155 Cover and Rotation Crops and Specific Suppression 155 Tillage 157 Inputs 159 Plant Genetics 159 Organic Amendments 159 Formulated Amendments 159 High ... 152 Macronutrients 152 Micronutrients 152 Soil Physical Properties 153 Designing Suppressive Soils and Cropping Systems 153 Cultural Practices 154 Crop Rotati...

Ngày tải lên: 12/08/2014, 05:21