H.—34.

The following provisional classification has been based on the field evidence :—

(a) Podsols with a Pan, Low in Humus.

54

Tiori ivoii r™. ™ Baae-ex- Ex- Ex- BaseSample No. ™£" Depth. jT^ 1 ; pH. Clay, , chan ? e chan 8 e oh ™g e satura- Texture. Fern Hill. m.e. m.e. m.e. Per Cent. Per Cent. Per Cent. Per Cent. Per Cent. Per Cent. Per Cent. 1499 .. Al 0-6" 0-007 6-0 22-6 10-2 19-8 11-0 8-8 55-5 Sandy loam. 1500a .. A2 12-15" .. .. 17-5 4-0 13-4 7-6 5-8 57-0 I Sandy loam. 1500b .. B 18-20" .. .. 26-6 4-8 19-8 13-7 6-1 69-1 [ Silt loam. Mangatatari, 1543 .. Al 0-6" .. 5-8 20-4 9-4 18-7 13-5 5-2 72-1 Sandy loam. 1544a .. A2 10-14" 0-002 6-4 17-1 5-5 14-9 8-5 6-4 57-2 Sandy loam. 1544b .. B 17-21" 0-000 6-7 17-4 4-4 13-8 9-9 3-9 71-5 Sandy loam. 1544c .. B 27-36" .. 6-1 .. 4-0 (6) MODEBATELY PoDSOLIZKD SOILS. Havelock North. 1493 .. Al 0-3" 0-011 5-9 20-2 9-9 18-5 13-1 5-4 70-4 Silt loam. 1494a .. A2 9-12" .. .. 22-9 4-7 14-7 9-7 5-0 66-2 Silt loam. 1494b .. B 12-16" .. .. 27-1 4-1 15-2 11-3 3-9 74-3 Silt loam. 1495 .. A 0-6" 0-009 5-6 25-0 13-6 22-5 11-4 11-0 50-9 Silt loam. 1496 .. B 9-12" .. .. 25-8 4-5 13-8 6-3 7-5 45-4 Stony silt loam. Knight's Road. 1513 .. J A I 0-6" I 0-005 | 5-8 | 18-8 | 13-2 | 25-4 ! 14-3 | 11-1 j 56-2 | Sandy loam. Tuhituhi Road. 1529 .. Al 0-6" 0006 5-6 I 22-7 11-4 20-7 14-6 ! 6-1 70-5 j Loam. 1530a .. A2 7-12" 0-002 6-2 18-7 4-9 14-8 7-6 7-2 51-4 Loam. 1530b .. B 13-19" ! 0-000 6-4 j 30-6 4-8 17-2 \ 11-9 I 5-3 69-3 Loam. Waimarama Road. 1533 .. .. 0-6" 0-008 5-6 22-0 11-9 20-5 14-5 6-0 70-6 Silt loam. 1534 .. .. 7-12" 0-003 6-1 20-6 5-0 16-4 8-8 7-6 53-0 Sandy loam. 1531 .. Al 0-6" 0-009 5-3 22-5 12-2 19-3 10-4 8-9 53-9 Silt loam 1532a .. A2 7-13" 0-002 5-2 23-8 4-5 18-1 6-1 12-0 33-7 Silt loam. 1532b .. B 15-18" 0-001 5-3 39-1 4-4 271 10-3 16-8 37-9 Clay loam. Waipukurau. 1565 .. Al 0-6" 0-005 6-4 i 20-5 7-5 15-9 11-5 4-4 72-3 Fine sandy loam. 1566a .. A2 6-10" .. 5-0 19-0 3-0 14-8 4-9 9-9 32-9 Fine sandy loam. 1566b .. B 12-16" .. 5-2 45-1 4-6 31-8 15-8 16-0 49-6 Clay. 1566c .. C 3'+ .. 5-0 37-2 4-3 34-0 17-7 16-3 52-1 Clay loam. 1565 : Available K 2 O = 0-24 per cent. (c) Mildly Podsolized Soils. Te Pohue. 1547a .. Al 0-6" I .. 5-4 .. 16-3 19-8 8-4 11-4 42-3 1547b .. A2? 6-9" .. 6-0 .. 10-5 15-6 7-3 8-3 47-1 1548 .. B 9-12" .. 5-8 .. j 10-5 31-1 6-9 24-2 22-2 Mangarouhi Stream. 1569 .. I A I 0-6" j 0-007 , 5-4 | .. | 10-0 | .. | .. j ,. | .. | 1569 : Available potash = 0-02 per cent. (d) Bbown Volcanic Soils. Patoka. 1511 .. A 0-3" 0-01 6-0 i 8-0 14-7 21-8 9-7 12-1 | 44-4 j Medium sand 1512 .. B 10-12" ! 0-011 6-4 | 5-7 12-3 40-7 6-2 34-5 j 15-2 j Medium eand. Napier-Taupo Road. 1555/1657 I A j 0-6" I 0-016 I 5-9 12-9 19-0 28-9 j 14-3 I 14-6 49-4 Sandy loam. 1558 .. I B I 9-12" I ..16-0 .. 10-7 j 30-4 j 5-4 | 25-0 | 17-7 Ongaonga. 1545 .. I A 1 0-6" J 0-013 ] .. | .. | 14-0 j .. J .. | .. .. [ Ngaruroro Flats. 1501 .. I A ! 0-6" I 0-014 | 5-9 | 12-3 | 14-0 i .. I .. | ... | .. j Sandy loam. 1555 : Available potash = 0-032 per cent. 1545 : Available potash = 0-023 per cent. (e) Immature Soils. Patangata. 1497 .. A ! 0-3" 0-01 5-8 I 29-1 ; 12-1 24-6 : 19-5 I 5-1 I 79-1 Silt loam. 1498 .. B (C ?)| 13-16" .. .. 140-2 | 4-5 28-5 | 26-1 3-4 188-1 Clay loam. Havelock North. 1553 .. Al 0-6" .. 5-6 .. 11-4 26-9 19-9 70 74-1 1554 .. A2? 8-11" .. 6-1 .. .. 41-7 30-5 11-2 73-2