Perubahan populasi mikroorganisme tanah ultisols Tunjungan akibat aplikasi limbah cair monosodium glutamate (MSG) pada pertanaman bawang merah.
1993
Niswati A. | Aeny T.N. | Thalib H. | Nugroho S.G.
A study was conducted to investigate the effect of dose and application schedule of monosodium glutamate (MSG) liquid waste on the population of soil microorganisms and disease incidence on shallots grown on ultisols soil in Tunjungan. The experiment was arranged as a factorial experiment in completely randomized design with three replications. Dose of MSG liquid waste was assigned as the first factor with four levels (0 l/ha, 2.000 l/ha, 4.000 l/ha, and 6.000 l/ha). Application schedule was assigned as the second factor with three levels (one time (100 percent), two times (50 percent : 50 percent), and three times (50 percent : 25 percent : 25 percent). Results of the study indicated that MSG liquid waste increased the population of Pseudomonas, Azotobacter, Fungi, and Actinomycetes. The schedule of application and the rate of MSG liquid waste did not affect the disease incidence on shallot plants. Interaction between the dose and application schedule of MSG liquid waste only affected the increasing population of fungi and Actinomycetes.
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