Organic Fertilizer Titonia Plus and Micro Nutrients Improved Rice (Oryza sativa L.) Production in Koto Panjang and Koto Tingga, Padang City, West Sumatera, Indonesia

  • Nalwida Rozen Faculty of Agriculture, University of Andalas, Limau Manis, Padang, West Sumatera, Indonesia
  • Gusnidar Gusnidar Faculty of Agriculture, University of Andalas, Limau Manis, Padang, West Sumatera, Indonesia
  • Nurhajati Hakim Faculty of Agriculture, University of Andalas, Limau Manis, Padang, West Sumatera, Indonesia
Keywords: micro nutrient, chemical fertilizer, rice culture


A series of on-farm fi eld experiments were conducted
in two locations in Padang, Koto Panjang and Koto
Tingga, West Sumatera, Indonesia in 2015. The
purpose of the experiment was to establish the formula
of organic fertilizer derived from Tithonia supplied with
micro nutrients, Zn and Mn, on rice. The experiments
were conducted using completely-randomized block
design with six treatments and three replications.
The treatments were P = Tithonia Organic Fertilizer
Plus (TOFP) + 3.0 kg Mn.ha-1, Q = TOFP + 3.0 kg
Mn.ha-1+ 3.0 kg Zn.ha-1, R = TOFP + 4.5 kg Mn.ha-1 +
6 kg Zn.ha-1, S= TOFP + 4.5 kg Mn.ha-1+ 9 kg Zn.ha-1,
T = TOFP only, U = 100% chemical fertilizer only.
Treatment with micro nutrients as addition to TOFP
(TOFP+ 3.0 kg Mn.ha-1 and TOFP+ 3.0 kg Mn.ha-1
+3.0 kg Zn.ha-1) increased rice grain yield by 80 g per


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