Evaluation of Nitrogen, Phosphorus, and Potassium Levels in Rice Straw Compost for Sweet Corn Growth in Gorontalo

Akram La Kilo; Yuliyanti Wahab Djafar; Hendri Iyabu

doi:10.34312/jambchem.v5i2.14720

Evaluation of Nitrogen, Phosphorus, and Potassium Levels in Rice Straw Compost for Sweet Corn Growth in Gorontalo

Akram La Kilo, Yuliyanti Wahab Djafar, Hendri Iyabu

Abstract

This study aims to determine the NPK nutrient content of a mixture of soil and straw compost. -The determination of nitrogen, phosphorus, and potassium levels was carried out using the Kjeldahl method, UV-Vis, and AAS instrument, respectively.The results of the analysis showed that the levels of NPK in the mixture of soil and straw compost, the levels of N 1.6-3.6%, P 0.39-44%, and Potassium 0.14-0.16%, the results obtained that levels of nitrogen, phosphorus met the minimum standard of SNI 19-7030-2004, the potassium content is only slightly or does not meet the standard of SNI/19/7030/2004. The results of the analysis of variance (ANOVA) showed that a mixture of soil and straw compost was suitable as a planting medium for sweet corn which had a significant effect on plant height, stem diameter, stem circumference, and number of leaves.

Keywords

Sweet corn; Rice Straw; NPK; Compost

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DOI: https://doi.org/10.34312/jambchem.v5i2.14720

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