The Effect Concentration of Kirinyuh Leaf Liquid Organic Fertilizer on Efficiency Inorganic Fertilizer

Maria Montolalu, Pemmy Tumewu, Antje Grace Tulungen, Jelie V. Porong, Stanley A. F. Walingkas, Bertje R. A. Sumayku, Andri Amaliel Managanta, Rio Metry Abast


The availability of nutrients in the soil affects rice production. To meet the nutrients in rice plants and generally farmers use inorganic fertilizers. Continuous use of inorganic fertilizers reduces soil fertility. Giving inorganic fertilizers without being balanced with the use of organic fertilizers can reduce physical properties such as soil structure, chemical reduction in Cation Exchange Capacity (CEC), and soil biology such as the decreased activity of soil microorganisms. Rice farmers generally use inorganic fertilizers phonska and urea. Kirinyuh plants (Chromolaena odorata L.) as weeds can be used as basic ingredients of liquid organic fertilizer because they contain high nitrogen 2.65%, P and K so that they can reduce the dose of urea and NPK fertilizers. The study aimed to obtain efficient quantities of phonska and urea compound fertilizers at Kirinyuh concentrations to increase rice yields. The study used a completely randomized design with a factorial pattern. The treatment consisted of factor I (A)= concentration of Kirinyuh liquid organic fertilizer. A0 = without liquid organic fertilizer Kirinyuh; A1= 100 ml liquid organic fertilizer Kirinyuh/1 liter of water, A2= 200 ml liquid organic fertilizer Kirinyuh/1 liter of water; A3= 200 ml liquid organic fertilizer Kirinyuh / 1 liter of water. Factor II (B)= dosage of phonska+urea fertilizer. B1= 100 kg of phonska + 100 kg of urea/ha; B2= 200 kg phonska + 200 kg urea/ha, B3= 300 kg phonska + 300 kg urea/ha. Each experimental unit was repeated three times to obtain 36 experimental pots. The data were analyzed using analysis of variance and if there were differences, it was continued with the Least Significant Difference (LSD) test at the level of 5%. The results showed that a concentration of 200 ml liquid organic fertilizer Kirinyuh/liter of water made efficient use of phonska inorganic fertilizer. Doses of 200 kg phonska/ha+200 kg urea/ha at a concentration of 200 ml liquid organic fertilizer/liter of water increased the weight of milled dry unhulled grain.


Fertilization Efficiency; Kirinyuh Plant; Liquid Inorganic Fertilizer

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