Articles

The effect of water and fertilizer types on growth and yield of supan-supan (Neptunia oleracea) cultivated on flooded Ultisol media

Article number
1404_188
Pages
1353 – 1358
Language
English
Abstract
Supan-supan is a swamp plant used by the Banjar tribe in South Kalimantan Province of Indonesia country as a vegetable.
This plant contains antioxidants that are good for health and is believed to lower blood sugar levels.
Efforts to conserve supan-supan plants to prevent extinction can be carried out through cultivation outside their natural habitat using flooded media.
Research on the effect of water and fertilizer types on the growth and yield of supan-supan plants on flooded Ultisol media was conducted in Banjarbaru of South Kalimantan Province from May to June 2021. The experimental design used was a single factorial randomized design.
The first treatment factor is the type of water, namely tap water and swamp water.
The second treatment factor was the type of fertilizer, namely chicken manure, compound NPK, and water hyacinth bokashi.
The interaction treatment of water and fertilizer types only had a significant effect on plant length one week after planting (WAP). Swamp water treatment that interacted with chicken manure produced the longest plants 32.61 cm at 1 WAP which was not significantly different from all treatments, except for swamp water treatment with NPK fertilizer.
A single treatment of water types had a significant effect on plant branches 5 WAP. The highest number of plant branches 2.84 pieces were produced by supan-supan plants treated with swamp water at 5 WAP. All leaf colors of supan-supan plants that received various types of water and fertilizer treatment at harvest age 5 WAP showed the same leaf color value of 7.5 GY 3/4. Treatment of the type of water and fertilizer, both interactions and each individually did not affect the increase in biomass and antioxidant content of supan-supan plants.

Publication
Authors
H. Susanti, J. Purnomo, O.A. Kumadawara
Keywords
antioxidant, aquatic plants, indigenous vegetables, swamp, water mimosa
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