e-ISSN : 2347-2677, p-ISSN : 2394-0522
Ni Made Witariadi, Ni Nyoman Candraasih Kusumawati and Ni Made Suci Sukmawati
Research that aimed to examine the effect of substitution urea fertilizer with cow manure fertilizer on the productivity of Asystasia gangetica (L.) subsp. Micrantha, using a completely randomized design (CRD) with 7 treatments and 10 replications. The substitution treatment of urea fertilizer with cow manure i.e: D0: 0 tons ha-1; D1: 20 tons ha-1; D2: 200 kg urea ha-1; D3: 200 kg urea ha-1 + 5 tons ha-1; D4: 150 kg urea ha-1 + 10 tons ha-1; D5: 100 kg urea ha-1 + 15 tons ha-1; and D6: 50 kg urea ha-1 + 20 tons ha-1. The observed variables were: growth variables, yield and characteristics. The results of the study saw that the substitution of urea fertilizer + cow manure increased the productivity of Asystasia gangetica (L.) subsp. Micrantha. It was concluded that the best treatment to increase the productivity of Asystasia gangetica (L.) subsp. Micrantha at the substitution of 50 kg urea ha-1 + 20 tons ha-1.
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