10.57647/ijrowa-vjsm-0w96

Effect of the combination tanks biochar and chicken manure on availability of nutrients and yields of Purple Eggplant

  1. Department of Soil Science, Faculty of Agriculture, Tanjungpura University, Indonesia
Effect of the combination tanks biochar and chicken manure on availability of nutrients and yields of Purple Eggplant

Received: 2024-04-29

Revised: 2024-05-09

Accepted: 2024-11-19

Published 2024-11-20

How to Cite

Indrawati, U. S. Y. V. . (2024). Effect of the combination tanks biochar and chicken manure on availability of nutrients and yields of Purple Eggplant. International Journal of Recycling of Organic Waste in Agriculture, 14(2). https://doi.org/10.57647/ijrowa-vjsm-0w96

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Abstract

Purpose: Alluvial soil poses challenges for eggplant cultivation due to deficiencies in nutrients (N, P, K) and high Al/Fe content. This study aims to address these challenges by utilizing biochar from tank waste and chicken manure.

Methods: Biochar materials, specifically from tanks and chicken manure, were pyrolyzed at 400°C for 4 hours. The resulting biochar was weighed to achieve the desired proportion and sieved through a 60-mesh sieve. It underwent analysis for pH, organic C, total-N, total-P, total-K, and Scanning Electron Microscopy (SEM). The tank's biochar was enriched with chicken manure biochar and NPK compound fertilizer at 75% of the recommended dose. The research involved two main components: 1) Planting purple eggplant seeds in polybags with varying treatments based on dosage, and 2) Chemical characterization of biochar, assessing soil N, P, K availability, and eggplant production up to the second harvest.

Results: The combination of tanks biochar and chicken manure significantly increased soil N, P, and K availability: N by 73.68%, P by 35.36%, and K by 92.78% compared to the control. Harvest 1 yielded 90% of production, while Harvest 2 reached 16.50% compared to the control.

Conclusion: Palm oil waste in the form of tanks biochar, enriched with chicken manure biochar and NPK compound fertilizer at 75% of the recommendation, has the potential to enhance alluvial soil fertility and promote growth and yield in purple eggplant plants.

Research Highlights:

  • Increased Nutrient Availability: The use of a combination of biochar and chicken manure increased the availability of nutrients N, P, and K in Alluvial soil
  • Harvest Production: The results showed a significant increase in the yield of purple eggplant.
  • Soil Quality: Application of biochar and chicken manure increased soil pH and organic content.
  • Potential Use: This combination has great potential for use as an effective organic fertilizer in agriculture. Palm oil waste in the form of biochar tanks has special properties such as a porous structure with a sturdy shape. If enriched with biochar chicken manure and NPK fertilizer at a dose of 75% of the recommendation, it has the potential as an ameliorant to increase alluvial soil fertility as well as the growth and yield of purple eggplant plants.

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