ANALYSIS OF SOILS.

New Zealand Journal of Agriculture, Volume VI, Issue 5, 15 May 1913, Page 508

ANALYSIS OF SOILS.

F.I.C.

B.C. ASTON, F.I.C.

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1 Locality. 1 Description. Volatile Matter. j Total Nitrogen. Citric-acid Extract in Twenty Hours. (Dyer’s Method, Hall's Modification.) Reaction of Soil to Litmus. Hydrochloric-acid Extract. At 100° c. On Ignition. Potash (K 2 O). ft- H Colour of Extract on Ignition. 2® So 3" Magnesia (MgO). Phosphoric Acid (PA> 5 ). Locality. Description. Volatile Matter. Total Nitrogen. Citric-acid Extract in Twenty Hours. (Dyer’s Method, Hall’s Modification.) Reaction of , Soil to Litmus. Hydrochloric-acid Extract. At 100° c. On Ignition. Potash (K 2 O). rC O Jy c Colour of Extract on Ignition. So go Bld oo « O 'C P-dO Ph Southland Gore, Canterbury Geraldine, . Canter- Point, sandy • . loam • Clay soil • 3-56 2-78 1-80 9-91 8-58 5-85 0-25 0-27 0-21 1 0-018 0-036 0-020 0-010 0-034 0-019 Brownish brown Greyish yellow Acid 99 0-27 061 0-60 0-63 0-76 0-21 0-20 0-30 0-18 0-13 0-25 0-12 99 ’ ’ 0-27 0-61 0-60 0-63 0-76 0-21 0-20 0-30 0-18 0-13 0-25 0-12 bury Otago Otago Stirling, grey’ clay . sandy light - 2-26 0-74 5-29 2-82 0-16 0-10 0-011 0-015 0-008 0-072 Brown Dark . 99 acid Faintly 0-45 0-74 0-33 0-80 0-25 0-10 0-08 0-19 Otago Hampden, loam • . loam 2-74 ' 2-44 7-36 652 0-23 0-24 0-017 0-018 0-016 0-034 Greyish brown Light brown .. Acid .. 0-36 0-48 0-32 0 34 ' 0-31 0-29 0-13 0-20 (k\ 2-74 2-44 7-36 6-52 0-23 0-24 0-017 0-018 0-016 0-034 Greyish brown Light brown .. Acid Faintly acid Acid 0-36 0-48 0-32 0-34 0-31 0-29 0-13 0-20 Otago Otago 99 \P) * *. „ (mica silt) (6) .. 0-64 018 0-34 7-21 008 015 0-011 0-008 0-069 0-012 Light grey Reddish brown 0-41 0-13 1-01 0-47 0-16 0-17 0-24 0-09 Otago ?? ?? Canterbury Te . Canterbury . Canterbury Canterbury Otago 99 W/ * \ ■„ ■ (mica silt) (b) ■. (b) .. Clay loam (6) • • • • Sandy loam (b) • • Clayloam (6) Light-greyish-brown clay loam (6) Brown fine sandy loam (b) 0-64 0-18 3214 1-32 1-74 0-34 7-21* 7-85 11-84 619 6-0-08 0-15 0-27 0-35 0-15 0-19 0-27 0-011 0-008 0-015 0-030 0-015 0-015 0-025 0-069 0-012 0-036 0-0.17 0-017. 0-052 0-052 Light grey Reddish brown Light brown .. Grey Light brown .. Greyish brown Light - brownish' ’ grey Faintly acid Acid • • ” * * Faintl ’ acid Neutral Faintly alkaline 0-41 0-13 0-29 0-36 0-39 0-59 0-94 1-01 0-47 0-88 o-57: 0-29 0-92 0-86 0-16 0-17 026 0-22 0-20 0-17 0-25 0-24 0-09 0-15 0-17 0-14 0-20 0-30 Otekaike, Otago 99 * * Clay loam (b) Sandy loam (6) Clayloam (6) Light-greyish-brown clay loam (6) Brown fine sandy loam (6) 3214 1-32 1-74 7-85 11-84 6-19 511 6-23 0-27 0-35 015 019 0-27 0-015 0-030 0-015 0-015 0-025 0-036 0-0.17 0-017 0-052 0-052 Light brown .. Grey Light brown .. Greyish brown Light - brownish grey 99 * ' Faintl • acid Neutral Faintly alkaline 0-29 0-36 0-39 0-59 0-94 0-88 0-57 0-29 0-92 0-86 0-26 0-22 0-20 0-17 0-25 0-15 0-17 0-14 0-20 0-30

CHEMICAL ANALYSES.

Kurow, Otago. . Brown sandy .. (b) 1-70 5-51 0-25 0-018 0-058 1 Ditto ... acid Faintly 0-90 0-85 0-16 27 Otago friable sandy loam 1-48 3-98 0-16 0-020 0-029 Light grey . 0-48 0-42 0-32 0-17 99 0-48 0-42 0-32 0-17 Ohakune, Wellington Friable loam 310 12-28 0-28 0-021 0-013, Light Acid 0-53 0-10 0-06 0-09 Rarotonga, dark-11-70 18-68 0-32 0-027 0-091 Very Neutral 0-78 0-28 0-07 0-69 Pleasant Point, bury Sandy 2-28 7-12 0-27 0-030 0-028 grey Acid 0-61 0-62 0-37 0-23 Upper Mangorei, Plymouth Light-brown sandy loam (c) 7-02 22-00 0-40 0-012 0-018 Greyish pink .. Faintly acid 0-27 0-14 0-07 0-24 " • ■?. \ 0-40 0-012 0-018 Greyish pink .. Faintly acid 0-27 0-14 0-07 0-24 Inaha, dark sandy loam (c) 7-46 18-39 0-57 0-034 0-019 Pinkish 0-42 0-21 0-12 0-27 Hokitika . silt 1-28 4-72 0-16 0-011 0-004 yellow Acid 0-08 0-04 0-03 0-02 99 Grey silt ... (e) 5-66 11-17 0-29 0-010 0-004 White 0-08 0-05 004 0-03 99 99 sandy loam 5-48 25-73 0-49 0-015 0-004 Grey Strongly acid 0-07 0-06 0-07 0-03 99 99 sandy loam . 2-10 8-68 0-22 0-008 0-002 Light grey Acid 0-07 0-06 0-03 0-03 99 Grey loam (e) 100 3-13 0-11 Trace 0-002 brown . 0-05 0-08 Trace 0-01 99 005 0-08 Trace 0-01 99 . sandy loam 1-58 4-65 0-14 0-007 Trace Light ?? • • 0-05 0-05 0-03 0-00 99 0-05 0-05 0-03 0-00 99 sandy loam 0-78 3-69 0-11 0-005 0003 brownish yellow ' 99 ’ * 0-02 0-05 0-04 0-02 Yellowish white J? 0-02 0-05 0-04 0-02 99 Brown coarse sandy loam 3-48 5-57 017 0-007 0-003 Yellowish white 0-04 0-05 0-01 0-01 North Auckland Kaipara, Brown loam sandy (/) 3-48 8-22 5-57 12-01 0-17 0-24 0-007 0-019 0-003 0-003 0-04 0-05 0-01 0-01 Light brown .. 99 • • 0-13 0-11 0-09 0-03 Brown fine sandy loam (/) 8-22 12-01 0-24 0-019 0-003 Light brown .. 0-13 0-11 0-09 0-03 West church Brown fairly coarse sandy loam (7) 2-82 8-71 0-29 0-028 0-011 grey . Faintly acid 0-28 0-49 0-21 0-13 Waihao Canter- Forks, bury Light-brown fairly fine loam 2-97 6-86 0-21 0-100 0-018 Dark brown . Acid 0-39 0-37 0-19 0-15