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MK. DASAR ILMU TANAH. Smno.jursntnh.fpub.febr2014

PROFIL TANAH. Foto : smno.kampus.ub.janu2013. MK. DASAR ILMU TANAH. Smno.jursntnh.fpub.febr2014. DESKRIPSI HORISON TANAH. Pengenalan Horizon dan dimensinya Warna Tanah Komponen – Partikel primer Organisasi pertikel primer Rongga – pori - porositas Konsentrasi

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MK. DASAR ILMU TANAH. Smno.jursntnh.fpub.febr2014

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  1. PROFIL TANAH Foto: smno.kampus.ub.janu2013 MK. DASAR ILMU TANAH. Smno.jursntnh.fpub.febr2014

  2. DESKRIPSI HORISON TANAH • Pengenalan Horizon dandimensinya • Warna Tanah • Komponen – Partikel primer • Organisasipertikel primer • Rongga – pori - porositas • Konsentrasi • AktivitasBiologis • Reaksi / Kemasamantanah • Samples Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  3. DESKRIPSI HORISON TANAH • Simbol Horizon – Nomenklaturhorisonutama H, O, A, E, B, C dan R, dankarakteristik subordinate didalamhorisonutama • Batas Horizon – kedalaman, kejelasandantopografi Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  4. Pengenalanhorisonutama HorisonOrganik: HatauO H = basah - wet O = kering - dry DESKRIPSI HORISON TANAH Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  5. Pengenalanhorisonutama Horison Mineral: A(bahanorganik) E (eluviasi) B (iluviasi) C(bahaninduk, tidak-padu) DESKRIPSI HORISON TANAH Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  6. Pengenalanhorisonutama Horison Mineral: R(batuaninduk) DESKRIPSI HORISON TANAH Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  7. DESKRIPSI HORISON TANAH KarakteristikSubordinatdarihorisonutama: c Konkresiataunodul f Tanah beku g PembentukanGley , berupabecak-becak h Akumulasibahanorganik j Becak-becakJarosit k Akumulasikarbonat m CementasiatauIndurasi Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  8. DESKRIPSI HORISON TANAH KarakteristikSubordinatdarihorisonutama: n Akumulasi sodium o Akumulasiresidusesquioxida p Pembajakan/pengolahantanah q Akumulasi silica r Reduksikuat s Illuvialakumulasisesquioxida t Akumulasiliatsilikat. Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  9. DESKRIPSI HORISON TANAH KarakteristikSubordinatdarihorisonutama: v Keberadaanplinthit w Perkembanganwarnaataustructure x KarakterFragipan y Akumulasi gypsum z Akumulasigaram-garamyglebihlarutdaripatagipsum Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  10. DESKRIPSI HORISON : WARNA TANAH • Warna Matrix – hue, value danchroma, kondisikeringdanlembab, menurutMunsellSoil Color Charts, atau Revised Standard Soil Color Charts • Becak-becak = Mottling– Banyaknya, Ukurannya, Kontras, Batas-batas, danwarnanya (keringdanlembab) Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  11. DESKRIPSI HORISON TANAH: KOMPONEN PRIMER • Teksturtanah: – sand (Pasir), loamy sand, sandy loam, loam (Lempung), silt loam, silt (Debu), silty clay loam, silty clay, clay loam, sandy clay loam, sandy clay, clay (Liat) • FragmenBatuan– Kerikil = gravel, Batu-batu = stones, Batubesar = boulders Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  12. DESKRIPSI HORISON TANAH: ORGANISASI KOMPONEN PRIMER • Struktur Tanah– grade, ukurandantipe • Tipestruktur: single grain, massive, granular, prismatic, columnar, angular blocky, subangular blocky, platy, rock structure, strukturberstrata • Konsistensi– KondisiKering, LembabdanBasah Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  13. DESKRIPSI HORISON TANAH: RONGGA - POROSITAS Pori, termasuksemuaronggadalamtanah, dideskripsikandengan parameter: • Tipe • Ukuran • Kelimpahan • Kontinyuitas • Orientasi. Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  14. DESKRIPSI HORISON TANAH: KONSENTRASI • Cutanic features – clay, humus, pressure faces, slickensides, iron coatings • Cementation dancompaction – kontinyuitas, struktur, sifat, derajat • Nodul Mineral – abundance, kind, size, shape, hardness, nature, colour Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  15. DESKRIPSI HORISON TANAH: AKTIVITAS BIOLOGIS • Roots – kelimpahandanukurannya • Biological features – Kelimpahandanmacamnya Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  16. DESKRIPSI HORISON TANAH: REAKSI TANAH • Adanya carbonate– non-calcareous, slightly calcareous, moderately calcareous, strongly calcareous and extremely calcareous (ujidengan 10% HCl) • pHdilapangan– Hellige test, pH-meter, ujiNaFuntuktanahvulkanik Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  17. DESKRIPSI HORISON TANAH: SAMPLE Adaduametodepengambilansampeltanah: • Sampling denganproporsi yang samauntuksemuahorison • Sampling in equal proportions within a depth of 20cm, either from the centre of the horizon, or at balanced intervals if the horizon exceeds 50cm thickness Sumber: Soil Profile Description. Otto Spaargaren. ISRIC-World Soil Information. Wageningen The Netherlands

  18. DESKRIPSI PROFIL TANAH DILAKUKAN DI LAPANGAN ………. Selanjutnya ….…. Diunduhdari: http://blog.ub.ac.id/mastertommy/files/2013/01/panduan_deskripsi.pdf …. 13/2/2013

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