Fresh Organic Matter Application to Improve Aggregate Stability of Ultisols under Wet Tropical Region

Yulnafatmawita,; Anggriani, Febrian

doi:10.5400/jts.2013.18.1.33

Cited by 5 publications

(7 citation statements)

References 0 publications

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“…Unlike the fact as reported by Yulnafatmawita et al that SOC content was inversely related to soil bulk density [7], [9]. This unusual result seems to be due to low canopy of crops and decaying of some roots.…”

Section: Soil Bulk Densitycontrasting

confidence: 59%

“…Besides having bad soil chemical properties [3] causing low plant growth performance, Ultisol has also poor soil physical properties, while they play an important role in affecting soil productivity. Yulnafatmawita [10], [7], [9] reported that this Ultisol had very high clay content (>70%) but low SOM. This condition brings the soil into low aggregate stability and slow infitration and permeability rate.…”

Section: Introductionmentioning

confidence: 99%

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Dynamics of Physical Properties of Ultisol under Corn Cultivation in Wet Tropical Area

Yulnafatmawita¹,

Detafiano²,

Afner³

et al. 2014

International Journal on Advanced Science, Engineering and Information Technology

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Cultivation will change some of soil physical properties which determine the susceptibility to erosion. Therefore, the properties must be paid much attention in cultivating soil for annual crop farming, such as for corn. A research about dynamics of physical properties of Ultisol was conducted during corn cultivation in Ultisol Limau Manis, a wet tropical area. The objective of the research was to determine the changing of the soil physical properties during corn cultivation. The soil was sampled before cultivation, 1, 2, and 3 months of corn age, and 3 weeks after harvesting. Parameters analyzed were soil texture, bulk density, total pore, aggregate stability, soil moisture, organic C, permeability. The result showed that there was a short term effect of corn growth on some physical properties such as bulk density, total pore, aggregate stability, permeability, and organic matter content of the Ultisol. The properties tended to improve during corn age 2 and 3 months, and then get down again after harvesting.

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Section: Soil Bulk Densitycontrasting

confidence: 59%

Section: Introductionmentioning

confidence: 99%

Dynamics of Physical Properties of Ultisol under Corn Cultivation in Wet Tropical Area

Yulnafatmawita¹,

Detafiano²,

Afner³

et al. 2014

International Journal on Advanced Science, Engineering and Information Technology

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“…Various vegetations such as Tithonia diversifolia, Chromolaena odorata, and Gliricidia sepium growing well in wet tropical soils can be used as organic materials input to elevate SOM. Yulnafatmawita et al, (2013) found that application of C. odorata, G. Sepium and T. diversifolia to Ultisols (very fine clay texture) Limau Manis Padang increased SOM from 1.23% to 2.9, 2.88 and 3,06% respectively after three months incubation. A study on the application of animal manure, legume residue and chemical fertilizer carried out by Amusan and Adetunji (2013) showed that addition of animal manure and legume residue increased SOM, in which combined application of 5 t ha -1 , 100 kg N ha -1 and 5 t ha -1 legume residue resulted in an increase in SOC from 15.…”

Section: Effect Of Land Use and Management Practices On Soil Organic mentioning

confidence: 94%

“…Additionally, the content of SOM gives a positive contribution to the quantity of C and N that can be rapidly mineralized into NH4 + and NO3 - (Funakawa et al, 2009). Yulnafatmawita et al, (2013) reported that enhancement of SOM by application of Tithonia diversifolia, Chromolaena odorata, and Gliricidia sepium was also followed with the increases of aggregation percentage and aggregate stability index after three months incubation. Controlling the aggregate stability of soils by SOC occurs through binding primary particles with organic binding agents such as particulate organic matter composed of roots, fungal hyphae and fungal exudates such as polysaccharides and glomalin (Tisdall and Oades, 1982;Sreekanth, et al, 2013).…”

Section: The Role Of Soil Organic Mattermentioning

confidence: 98%

Dynamics of Soil Organic Carbon Fractions Under Different Land Management in Wet Tropical Areas

Ermadani

Hermansah

Yulnafatmawita

et al. 2018

J.Sol

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Karbon (C) organik tanah yang merupakan bagian utama dari bahan organik tanah mengalami penurunan sebagai akibat perubahan-perubahan penggunaan lahan dari kondisi alami menjadi lahan-lahan pertanian. Penurunan C organik tanah menjadi semakin besar karena masukan bahan organik yang rendah dan bila penurunan ini. berlangsung terus menerus maka pada akhirnya menyebabkan degradasi tanah. Artikel ini membahas peranan, dekomposisi dan struktur dari bahan organik tanah dalam hubungannya dengan dinamika fraksi C organik tanah pada pengelolaan lahan yang berbeda di daerah tropis basah. Perubahan penggunaan dan pengelolaan lahan menyebabkan terjadinya perubahan C organik total dan fraksi-fraksi C organik labil dan stabil tanah. Beberapa penelitian telah menunjukkan bahwa fraksi C organik labil seperti C organik partikulat lebih responsif terhadap perubahan-perubahan dari pengelolaan tanah dan merupakan suatu indikator yang sensitif dari kualitas tanah. Disamping itu fraksi C organik stabil seperti asam humat yang mengalami perubahan karena praktek-praktek pengelolaan tanah dapat digunakan untuk menilai kapasitas potensial tanah sebagai penyimpan karbon. Perubahan-perubahan penggunaan lahan dan pengelolaan tanah mempunyai pengaruh negatif dan positif terhadap C organik total, fraksi C organik labil (C organik partikulat) dan fraksi C organik stabil (asam humat). Praktek-praktek pengelolaan yang dapat mempertahankan dan memperbaiki fraksi-fraksi C organik tanah meliputi sistem agroforestri, aplikasi pupuk organik, mulsa dan pengembalian sisa tanaman ke dalam tanah. Fraksi C organik partikulat dan asam humat menunjukkan perubahan-perubahan yang lebih besar dibandingkan C organik total akibat perubahan-perubahan penggunaan lahan dan praktek-praktek pengelolaan tanah di daerah tropis basah.Key words : Fraksi C organik, penggunaan lahan, tropis basah

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“…Most agricultural land used for corn cultivation in Lampung Province is Ultisol. Ultisol soil has low soil organic content (Yulnafatmawita, Adrinal, & Anggriani, 2013). The efforts necessary to improve soil fertility are, among others, adding organic materials and fertilizer.…”

Section: Introductionmentioning

confidence: 99%

Effects of Chicken Compost and KCl Fertilizer on Growth, Yield, Post-Harvest Quality of Sweet Corn and Soil Health

et al. 2020

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This study aimed to determine the effects of chicken compost and KCl fertilizer application on the growth, yield, post-harvest quality of sweet corn (Zea mays L. var. saccharata), soil respiration and microbial population. The research was arranged according to a Factorial Random-Block Design consisting of two factors and three replications. The first factor was the dose of chicken compost (0 and 15 t/ha) and the second the dose of KCl fertilizer (0, 50, 100 and 150 kg/ha). The results showed that chicken compost stimulated the growth, yield, postharvest quality of sweet corn, respiration, and microbial activity of soil. KCl fertilizer increased SPAD values linearly and quadratically chlorophyll pigment, β-carotene, yield components, and yield. KCl fertilizer did not affect soil respiration, fungi, or bacteria populations. The use of chicken compost reduced the need for KCl fertilization by 25%. Therefore, the integration of organic and inorganic fertilizers are recommended to be applied by farmers in the tropics.

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Fresh Organic Matter Application to Improve Aggregate Stability of Ultisols under Wet Tropical Region

Cited by 5 publications

References 0 publications

Dynamics of Physical Properties of Ultisol under Corn Cultivation in Wet Tropical Area

Dynamics of Physical Properties of Ultisol under Corn Cultivation in Wet Tropical Area

Dynamics of Soil Organic Carbon Fractions Under Different Land Management in Wet Tropical Areas

Effects of Chicken Compost and KCl Fertilizer on Growth, Yield, Post-Harvest Quality of Sweet Corn and Soil Health

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