Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomite

Degraded peatlands are natural resources that must be managed properly. The unique characteristics of degraded peatlands, such as high acidity and low availability of macro and micronutrients, are the main challenges in soybean cultivation. The pot experiment was conducted using a completely randomi...

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Main Authors: Erina Riak Asie, Nyahu Rumbang, Hastin E.N.C. Chotimah, Untung Darung, Marcelino A. Saputra, Erlinda Yurisinthae, Nurmayulis Nurmayulis
Format: Article
Language:English
Published: University of Brawijaya 2025-07-01
Series:Journal of Degraded and Mining Lands Management
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Online Access:https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17172
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author Erina Riak Asie
Nyahu Rumbang
Hastin E.N.C. Chotimah
Untung Darung
Marcelino A. Saputra
Erlinda Yurisinthae
Nurmayulis Nurmayulis
author_facet Erina Riak Asie
Nyahu Rumbang
Hastin E.N.C. Chotimah
Untung Darung
Marcelino A. Saputra
Erlinda Yurisinthae
Nurmayulis Nurmayulis
author_sort Erina Riak Asie
collection DOAJ
description Degraded peatlands are natural resources that must be managed properly. The unique characteristics of degraded peatlands, such as high acidity and low availability of macro and micronutrients, are the main challenges in soybean cultivation. The pot experiment was conducted using a completely randomized design consisting of four dolomite dosage levels, namely 0, 3, 6, and 9 t/ha, with five replications. The research objective was to assess the effect of dolomite application on the chemical properties of degraded peatland, physiological characteristics, and soybean yield. The results showed that dolomite application significantly improved the chemical properties of degraded peatlands and increased the physiological characteristics and yield of soybeans. Dolomite at a dose of 6 or 9 t/ha achieved the highest pH, exchangeable Ca, and exchangeable Mg after incubation and after harvest. The highest total chlorophyll and average net assimilation rate were obtained at 9 t/ha dolomite application of 3.95 mg/g and 0.048 g/cm2/day, respectively. The relationship between dolomite and the total chlorophyll content of soybean plants was very strong (r = 0.94) with the equation y = 0.35 + 0.37x. The highest soybean seed weight was observed when dolomite was applied at a dose of 9 t/ha, resulting in 9.72 g/plant, an increase of 219.70% compared to the control. These findings suggest that optimal dolomite application can enhance the fertility of degraded peatlands and improve soybean productivity while supporting the sustainable management and rehabilitation of these ecosystems.
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publishDate 2025-07-01
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spelling doaj-art-345015e748984eb2ae0f99bc4a9252d92025-08-20T03:28:25ZengUniversity of BrawijayaJournal of Degraded and Mining Lands Management2339-076X2502-24582025-07-011248235824510.15243/jdmlm.2025.124.823517174Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomiteErina Riak Asie0https://orcid.org/0000-0001-9591-1365Nyahu Rumbang1https://orcid.org/0000-0001-8303-9821Hastin E.N.C. Chotimah2Untung Darung3https://orcid.org/0000-0002-6091-1805Marcelino A. Saputra4Erlinda Yurisinthae5https://orcid.org/0000-0002-0225-7040Nurmayulis Nurmayulis6https://orcid.org/0000-0002-3445-7805Faculty of Agriculture, University of Palangka Raya, Jl. Yos Sudarso, Palangka Raya 73111, Indonesia Faculty of Agriculture, University of Palangka Raya, Jl. Yos Sudarso, Palangka Raya 73111, Indonesia Faculty of Agriculture, University of Palangka Raya, Jl. Yos Sudarso, Palangka Raya 73111, Indonesia Faculty of Agriculture, University of Palangka Raya, Jl. Yos Sudarso, Palangka Raya 73111, Indonesia Faculty of Agriculture, University of Palangka Raya, Jl. Yos Sudarso, Palangka Raya 73111, Indonesia Faculty of Agriculture, University of Tanjungpura, Jl. Prof. Dr. Hadari Nawawi, Pontianak 78124, IndonesiaFaculty of Agriculture, University of Sultan Ageng Tirtayasa, Jl. Raya Palka, Banten 42163, IndonesiaDegraded peatlands are natural resources that must be managed properly. The unique characteristics of degraded peatlands, such as high acidity and low availability of macro and micronutrients, are the main challenges in soybean cultivation. The pot experiment was conducted using a completely randomized design consisting of four dolomite dosage levels, namely 0, 3, 6, and 9 t/ha, with five replications. The research objective was to assess the effect of dolomite application on the chemical properties of degraded peatland, physiological characteristics, and soybean yield. The results showed that dolomite application significantly improved the chemical properties of degraded peatlands and increased the physiological characteristics and yield of soybeans. Dolomite at a dose of 6 or 9 t/ha achieved the highest pH, exchangeable Ca, and exchangeable Mg after incubation and after harvest. The highest total chlorophyll and average net assimilation rate were obtained at 9 t/ha dolomite application of 3.95 mg/g and 0.048 g/cm2/day, respectively. The relationship between dolomite and the total chlorophyll content of soybean plants was very strong (r = 0.94) with the equation y = 0.35 + 0.37x. The highest soybean seed weight was observed when dolomite was applied at a dose of 9 t/ha, resulting in 9.72 g/plant, an increase of 219.70% compared to the control. These findings suggest that optimal dolomite application can enhance the fertility of degraded peatlands and improve soybean productivity while supporting the sustainable management and rehabilitation of these ecosystems.https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17172degraded peatlandsdolomite amendmentland productivityphysiological characteristicssoil fertility
spellingShingle Erina Riak Asie
Nyahu Rumbang
Hastin E.N.C. Chotimah
Untung Darung
Marcelino A. Saputra
Erlinda Yurisinthae
Nurmayulis Nurmayulis
Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomite
Journal of Degraded and Mining Lands Management
degraded peatlands
dolomite amendment
land productivity
physiological characteristics
soil fertility
title Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomite
title_full Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomite
title_fullStr Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomite
title_full_unstemmed Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomite
title_short Improvement in chemical properties of degraded peatlands, physiological characteristics, and soybean yield using dolomite
title_sort improvement in chemical properties of degraded peatlands physiological characteristics and soybean yield using dolomite
topic degraded peatlands
dolomite amendment
land productivity
physiological characteristics
soil fertility
url https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/17172
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