ORGANIC SOILS and PEAT MATERIALS for SUSTAINABLE AGRICULTURE - CHAPTER 7 pdf

... 1402 472 1209 9 57 1 37 108 42 31,080 98 17 77. 3 6. 07 61.8 5.6 2.22 69.6 50.5 120 3010 1303 14 27 1 075 74 55 70 44,454 140 18 86.1 5.90 60.2 7. 3 1.88 69.4 70 .0 139 2199 8 47 1203 9 57 58 53 47 42,033 ... 11.4 0.82 53 .7 115.8 170 274 2 1 178 77 4 6 07 78 77 29 34,563 109 25 90 .7 4.64 48.9 10.0 1.65 60.6 106.0 1 67 1948 840 1 478 14 17 82 73 28 38,959 123 26 45.2 6.3...

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

... 1. 573 0.323 0. 077 0.015 30–40 nHa 4 .71 5 2. 078 0.468 0.144 0.0 37 50–60 nHt 6.324 3.114 0.828 0.2 27 0.056 70 –80 nHt 4. 874 2.810 0.540 0.142 0.004 Source: From Sauerbrey and Zeitz, 1999. Peatlands. ... 2.0–2 .7 (m 3 m –3 ) pF 2 .7 4.2 (m 3 m –3 ) Moss-sedge peat R 1 0.920 0.2 57 0.3 07 0.533 0.132 Alder swamp peat R 3 0.885 0.248 0.145 0.352 0.2 07 Peaty moorsh 0.885 0.16...

Ngày tải lên: 11/08/2014, 15:20

... 4.2 Mean 0.8094 0 .79 70 0 .76 34 0 .72 87 0.6913 0.5925 0. 570 9 Median 0.8103 0.80 07 0 .76 68 0 .73 23 0.69 67 0.5934 0.5626 Maximum 0.8556 0.8 376 0.8221 0 .79 00 0 .75 61 0 .70 74 0.6944 Minimum 0 .73 26 0 .72 31 0.6809 ... (1 976 ), and Illner and Raasch (1 977 ). Unsaturated hydraulic conductivity values determined by Bartels and Kuntze (1 973 ) and Illner and Raasch (1 97...

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

... 0 27 35 15 37 0 273 515 37 37 27 35 15 73 0 273 515 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 17 0 202040 17 17 20 20 40 33 0 202040 33 17 20 ... 63,022 71 ,608 0.65 NS 17. 4 39,263 46,980 0.28 NS 25.2 1996 9966 870 3 0.08 NS 32.4 148 ,77 4 143 ,77 3 0.24 NS 18.4 77 ,331 71 ,614 0.39 NS 21.2 Average 471 8 4 276 —...

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 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 ... km 2 ) and Bogs (75 1 km 2 ) in Poland Use Fen Bog (km 2 ) (%) (km 2 ) (%) Forest 9 17 9.1 353 47. 0 Grassland 74 36 73 .4 129 17. 2 Arable land 55 0.5 — — Undrained...

Ngày tải lên: 11/08/2014, 15:20

... 262 74 17 Goat wanted: Best quality in-calf dairy goats. Contact P. Miingi, 072 3 77 5 056 Day-old chicks: I would like to buy chicks. Give price and location. Call Onyango, Nakuru 072 0 477 78 6 ... season. Nr. 73 June, 2011 020 445 03 98 071 7 551 129 073 8 390 71 5 High demand for the TOF modules The 21 modules on various topics in organic agriculture contain all the bas...

Ngày tải lên: 17/03/2014, 10:20

... Land quality indicators and their use in sustainable agriculture and rural development 7 Session 1 Recent efforts to develop indicators Land quality indicators and their use in sustainable agriculture ... habitats and gene reserves for plants, animals and micro- organisms, above and below ground (the biotic environmental function); ; land and its use are a source an...

Ngày tải lên: 06/07/2014, 08:20