THE CHARACTERISTICS OF SOILS AMENDED WITH DRANCO LIQUOR

Dr Ir R, Sudradjat MSc

Sari


Jenis  tanah  yang   digunakan  dalam   penelitian  ini  adalah  Huldenberg   (Light  loamy).   De  Klinge   (Sandy)   dan Bonheiden   (Sandy),  sedang  larutan Dranco  berosal  dari  proses   fermentasi   anaerobik  dengan  substrat  sampah  kota. Tujuan  penelitian  ini adalah untuk   mengetahui  karak teristik  tanah  yang ditambahkan larutan Dranco,  terutama  tentang kemampuan  larutan  Dranco  dalam  mensmbilkan  agregat tanah  serta  menekan   intensitas.  erosi.  Selain itu  diamati pula pengaruh  penambahan   larutan Dranco  terhadap pertumbuhan tanaman  serta daya survival  tanaman  tersebut   dalam kondisi lingkungan  yang  kekeringan.

Hasil  penelitian  menunjukkan  penambahan   iarutan  Dranco  menyebabkan peningkatan “saturated  hydraulic  con­ ductivity"  dua kali, penurunan  “capillary  rise”  dan  "horizontal   infiltrotion'' yang  menunjukkan indikasi  agregat  tanah yang  lebih  stabil  terhadap  penghancuran  oleh.air.  Selain  itu juga  diperlihatkan  bahwa gerakan  air diperlambat  sehingga tanah akan menyimpan air lebih lama.

Pengaruh  larutan  Dranco  yang  sangat besar adalah  terhadap  stabilisasi  agregat tanah.  Untuk   tanah  "light loamy" stabilitasnya  ditingkatkan  sampai  3 kali,  untuk  "sandy” (clay  6%) sampai  10  kali dan  “sandy” (clay  3%)  sampai 40 kali. Selain itu, larutan Dranco   menurunkan  intensitas  erosi,  mempercepat   pertumbuhan  tanaman  serta memperpanjang  daya  tahan tanaman dalam kekeringan.

Teks Lengkap:

PDF

Referensi


Bremner, J.H., D. Keeney ( 1966 ). Determination and iso- tope radio analysis of different form of nitrogen in soils. 3. Exchaogeable ammoalum, nitrate and nitrite by ex- traction-distillation methods. Soil. Sci. Soc. Am. Proc.

577-582.

Bremner,. J.M., A.M. Blackmer and L.G. Bundy (1978).

Problems in use of nitrapyrin (N--serve) to inhibit nitri-

fication in soils. soil Biol. Blochem. 10.441-442.

Bremner, J. (1965 ). Total nitrogen. In : Methods of soil

analysis. Part 2. Black, C.A. (Ed.). Agronomy Monogarhp

1149-1286.

Bolan, M.P., G.H. Nieswald and M.E. Singley (1980) . Srudg.

composting and waste utilization. In : Technical issues

invoiving sludege and compost use. Higgins. A.J. (1983). Biocycle 24 (1), 40--43.

Cottenie, A., M. Verloo, L. Kiekens, G. Velghe and R.

Camerlynck (1982). Chemical analysis of plants and soils. state university of gent, faculty of agriculture.62.

De Bondt, M. (1972). Improvement of soil structure by chemical means. In : Optimizing the oils physical envi- ronment towards greater crop yields. Hellel, D. (Ed.). Academic Press. Inc., London. pp. 45-55.

De Leenheer, L. and M. De Boodt ( 1959 ). Aggregate sta- bility determination by the change in mean weight dia- meter. Meded. Landbouwf. Ghent 24, 290-300.

Donahue, R.L., J.C. Schickluna and L.S. Robertson (1971).

Soils. An introduction to soils and plant growth. Pren-

tice-Hall Inc., New Jersey, 571.

Gabriels, D. (1973). Studie van het water erosie proces

door middel van Regeneraal simulatie op al dan niet-o door middel van Regeneraal simulade op al dan niet kunsmatig gestruktureerde gronden. Doctorale thesis. Rijksuniversiteit Gent. Fakulteit Landbouwwetenschap-pen.

Gabriels. D. and M. De Boodt ( 1975 ). A rainfall simulator for soil erosion studies in the laboratory pedologie xxv (2) : 80-86.

Tavernier, R. and R. Marechal ( 1958 ). Carte des assocla-

tions de sols de la Belgique. Pedologle. VIII. Gand.

USDA -- Soil Conservation Service ( 1972 ). Soil Survey

Laboratory methodsand procedures for collectilng soil samples. Soil Survey Investigations Report N' 1, USDA, Washington DC, 20250. USA.

Vandevelde', R. and M. De Boodt ( 1972). Reaction of soil texture on soil conditioning with an emulsion of bitumen and a solution of adhesive PAM. Med. Fac. Landbouw. Rijksuniversiteit Gent, Belgium 37 (3), 993-1013 .

Verloo, M. ( 19 85 ). Soil chmeistry. Lecture Notes. Interna- tional Training Centre for Prst-Graduate Soil Scientists. State University of Gent.

Vermeulen, J. ( 1989). Routine VFA-analysis of humotex and Draneo liquor from Draneo Pilot-Plant in Gent.

Unpu blishe-d data.

Verp]ancke, H., All Abdallah Al-Jaloud and De Boodt, M. ( 1979 ). Effect of synthetic polymers on water use effi- ciency for crop production on sandy soils in Saoedi- Arabie. Proceedings of the XI Congress of the Turkish Soil Science Society. AntaJya. ln press.

Verplaacke, n, R. Hartman and M. De :Boodt, M. (1983).

The effect of absorbed hydr.ophobic materials. on water

movement in soils. In : Physical Fa.tears: of Boil Envi-

ronment. Proceedings of the Polish Soil Science . Cong- ress, Lublin, Poland, Part II, 69-77.

Verpalncke, H. (1989). Soil physics. Lecture Note. Interna-

tional Training Centre for Post-Graduate Soil Scientists. Unpublished.




DOI: https://doi.org/10.20886/jphh.1992.10.2.37%20-%20%2047

Refbacks

  • Saat ini tidak ada refbacks.


JURNAL PENELITIAN HASIL HUTAN TERINDEKS DI:

Lebih banyak...


Copyright © 2015 | Jurnal Penelitian Hasil Hutan (JPHH, Journal of Forest Products Research)
eISSN : 2442-8957, pISSN : 0216-4329
JPHH is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.