Impact of Chronosequence of Rubber Tree Plantations on Soil Microbial Activity

Puttaso, Porntip; Lawongsa, Phrueksa

doi:10.22207/jpam.12.3.06

Cited by 2 publications

(3 citation statements)

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“…This indicates that the protein production of leaf is not dependent only on ages but that there are still other reasons, such as intensive management of farmers, for fertilization. This corresponded to previous research of Puttaso [24], who utilized urea as a substrate in the soils of different ages of rubber and found that 11-12 years had the highest microbial activity compared with other rubber ages. Therefore, leaf rubber at 11-12 years directly affected microbial activity.…”

Section: Distribution Of Carbon Chemical Composition In Plant Leavessupporting

confidence: 91%

“…The experimental site was located in the Kranuan district, Khon Kaen province, Thailand (16 • 44 -16 • 75 N; 103 • 07-103 • 08 E) [24]. A randomized completely block design (RCBD) with three replications was employed due to the area's gentle slope (approximately 1-3%).…”

Section: Study Site and Treatmentmentioning

confidence: 99%

“…Therefore, leaf rubber at 11-12 years directly affected microbial activity. [24] 1737 C=O ester from lignin and hemicellulose/pectin [3,24,[41][42][43] 1654 Amide I [24,41,44] 1515 C=C aromatic ring from lignin [45] 1444, 1370 Symmetric CH 2 and CH 3 bending from lipids, protein, and lignin [3] 1278, 1241 hemicellulose [46] 1145, 1114, 1060, 1031…”

Section: Distribution Of Carbon Chemical Composition In Plant Leavesmentioning

confidence: 99%

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Assessing the Effect of Rubber (Hevea brasiliensis (Willd. ex A. Juss.) Muell. Arg.) Leaf Chemical Composition on Some Soil Properties of Differently Aged Rubber Tree Plantations

et al. 2020

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Leaf litter plays a major role in carbon and nutrient cycling, as well as in fueling food webs. The chemical composition of a leaf may directly and indirectly influence decomposition rates by influencing rates of biological reactions and by influencing the accumulation of soil organic carbon content, respectively. This study aimed to assess the impact of the chemical composition of rubber (Hevea brasiliensis (Willd. ex A. Juss.) Muell. Arg.) leaves on various soil properties of different ages of rubber (4–5, 11–12, and 22–23 year-old). Synchrotron-based Fourier transform infrared microspectroscopy (Sr-FTIR) was utilized for analyzing the chemical composition of plant leaves. The Sr-FTIR bands illustrated that the epidermis of rubber leaves from 4–5-year-old trees was found to contain a high quantity of polysaccharides while mesophyll from 22–23-year-old trees had a large number of polysaccharides. The change in soil properties in the older rubber plantation could be attributed to its chemical composition. The change in soil properties across all tree ages, i.e., increased litter and organic carbon content, was a relatively strong driver of soil biota evolution. The aliphatic of C-H in the leaves showed high correlation with soil organic carbon (SOC) and permanganate-oxidizable C (POXC) from 22–23 year-old trees. This study shows the differences in the organic chemical composition of leaves that are consequential to soil organic carbon.

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Section: Distribution Of Carbon Chemical Composition In Plant Leavessupporting

confidence: 91%

Section: Study Site and Treatmentmentioning

confidence: 99%