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Journal : Agrotekno

PERANCANGAN MESIN PENGHANCUR SAMPAH ORGANIK PADAT PERKOTAAN Nada, Made; Tika, Wayan; Arda, Gede
Agrotekno Vol. 15, No. 1 Februari 2009
Publisher : Universitas Udayana

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Abstract

Handling municipal garbage still becomes an ever ending problem. One way to tackle this problem is to utilize the garbage as organic fertilizer. The most promising technology in converting aerobically this rubbish to organic fertilizer is known as open windrow, but the success of implementing this technology is depended upon particle size of the garbage. So, chopping machine is needed to reduce it into a homogeneous size and constructing a chopping machine became the objective of the research. Tests on physical of the machine and its performance indicated that the designed machine was better than the machine that has already been available in the field. The size of chopped garbage was relatively homogeneous and its value was 10% better than that yielded form the older machine.
ANALISIS KELAYAKAN MODEL NAM (NEDBOR AFSTROMNINGS MODEL) UNTUK PREDIKSI KETERSEDIAAN AIR PADA DAS HO -, Sumiati; Tika, Wayan
Agrotekno Vol. 11, No. 2 Januari 2005
Publisher : Universitas Udayana

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Abstract

This sudy was conducted at Ho Watershed which is located in Tabanan,Bali. The optimal parameter of the NAM model were CQOF = 0.27, Umax = 70,CLOF = 0.71, CLG = 0.45, CQIF = 0.001, CKBFU = 0.04, CLIF = 0.01, CKBFL =15, CK1 = 0.75, CBFL = 0.25, CK2= 0.50, L/Lmax = 0.8, and the initial value wereQIF2 + QOF2 = 3, U = 50, BFL = 0.001, BFU = 3.75, SM = 100.Verification of the model indicated that the NAM model was statisticallysuitable to be applied at Ho Watershed for prediction of water availability.