RESEARCH ARTICLE


Maximizing the Yield of Black Cute Rice using Human Urine and NPK Fertilizer



Achmad Fatchul Aziez1, *
1 Department of Agrotechnology, Faculty of Agriculture, Universitas Tunas Pembangunan, Surakarta 57135, Centre Java, Indonesia


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Creative Commons License
© 2022 Achmad Fatchul Aziez

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Agrotechnology, Faculty of Agriculture, Universitas Tunas Pembangunan, Surakarta-57135, Indonesia; Tel: +62271 726278; Fax: +62271 739048; E-mail: achmad.aziez@lecture.utp.ac.id


Abstract

Background:

The nutrient is one of the most important elements for plants. Lack of nutrients cause thegrowth and yield will not be optimal. The use of organic liquid human urine and NPK fertilizer are a source of micro and macronutrients to increase the yield of black cute rice.

Objective:

This study aims to determine the best treatment combination of human urine and NPK fertilizer dose to maximize the yield of black cute rice.

Methods:

The research was arranged in a randomized complete block design (RCBD) with two factors and three replications. The first factor was dose of human urine fertilizer, which consisted of three levels, namely, 0, 500, and 1000 L ha-1. The second factor was the dose of NPK fertilizer, which consisted of three levels, namely, 0, 150, and 300 kg ha-1.

Results:

The results showed that a combination of organic liquid human urine and NPK fertilizer could increase the productive tillers number, canopy dry weight, and grain dry weight of black cute rice. The highest grain dry weight was found at the combination between ferlilizer dose of human urine of 1,000 L ha-1 and NPK of 300 kg ha-1 and yielded the maximum grain dry weight of 8.633 t ha-1 in Litosol soil.

Conclusion:

The research fundings that the combination between human urine of 1,000 L ha-1 and NPK of 300 kg ha-1 can maximize the yield of black cute rice. For future research, we recommend that the combination between human urine of 1,000 L ha-1 and NPK compound of 300 kg ha-1 can use in other rice varieties.

Keywords: Black cute rice, Human urine, NPK fertilizer, Nutrient, Food crop, Plant.