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N. Dibia
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Agriculture, Biological Sciences & Forestry Education

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Kajian Sebaran Humus, Alofan dan Senyawa Humus Kompleks Pada Tanah Andisol Kusmiyarti, Tati B.; Mega, M.; Dibia, N.; Widyarshana, D.O.
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 1, No 2 (2005)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.v1i2.3119

Abstract

Humic substances (humus), allophanes and humus complexes are the soil component which have highly reactivity and give great contribution   on genesis and lead to presence  of specific chemical and physical properties of Andisols.  The study on humus, allophanes and humus complexes was conducted on Andisols in Tawangmangu Karanganyar District of Central Java and Bedugul, Tabanan District of Bali to observe the distribution of humus,  allophanes and humus complexes along the profile and the factor affected  its distribution. The result  showed  that the content of humus  complexes tend to decrease with the dept in accordance to the content of humus, on the contrary of the content of allophanes.  So the humus complexes are abundance on the upper layer whereas the allophanes on the lower layers of the profiles. By means of the regression calculation indicated  that both of the pH (H2O) of the soil and the content of humus are controlled the formation of humus complexes and I or allophanes along the profiles.
PEMBERDAYAAN MASYARAKAT TANI KOTA DENPASAR MENUJU PERTANIAN RAMAH LINGKUNGAN MELALUI PELATIHAN PEMBUATAN PUPUK MINERAL PLUS Indayati Lanya; Subadiyasa N. N.; Tatiek Kusmawati; I G. P.Ratna Adi; N. Dibia; Tati Budi Kusmiyarti; K. Sardiana; N. M. Wikarniti
Buletin Udayana Mengabdi Vol 12 No 1 (2013): Volume 12 No.1 – April 2013
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (331.801 KB)

Abstract

Environment issues and go green impacted to perception of political makers both in governmental and privatesector. The organic farming was identical to decrease fertilizer application of chemical fertilizer. This issue shouldbe researched whether chemical fertilizer destroyed environment or vice verse. Since 1998 research found andconcluded that the opposite perception was due to the high dosage organic fertilizer. Dissemination of researchfound that mineral plus processing was conducted in Anggabaya Village. It was done by exercising farmer societywith empowering technology. Raw material of mineral plus fertilizer process has been formulated by the team,and the targets were the farmers and farming family to improve their knowledge in processing fertilizer andapplying it for farmer use. The training was conducted after presentation and discussion so the participant moreunderstood the use of fertilizer and quality of fertilizer. The team as tutors in formulating mineral plus fertilizerand participated by most of participants (90%). The participants were very responsive in mineral plus formulatingand most of them making formulate from the available material. The information from the participant that organicfertilizer yielded low production and farmers use quicklime in papaya garden which produced more sweetened fruits.
Co-Authors I GUSTI PUTU RATNA ADI I Ketut Sardiana INDAYATI LANYA Mega, M. N. M. Wikarniti Subadiyasa N. N. Tati Budi Kusmiyarti TATIEK KUSMAWATI Widyarshana, D.O.