Results 11 to 20 of about 316 (136)

Analytical method for determining ethylenethiourea (etu) by-product of Mancozeb in Andisol of East Antioquia

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2013
The Mancozeb (etilenbisditiocarbamato of zinc and manganese) is one of the fungicides of greater use in Colombia, and is classified in toxicological category IV.
María Carolina Domínguez   +2 more
doaj   +1 more source

Soil Carbon Dynamics under Pastures in Andean Socio-Ecosystems of Colombia

open access: yesAgronomy, 2020
Models can help to explain the main interactions, magnitudes, and velocity by which biological processes accumulate soil organic carbon (SOC) in pastures.
María-Cristina Ordoñez   +3 more
doaj   +1 more source

Determining the optimal application rate of chicken manure for agricultural land through Phosphorus sorption-desorption analyses in Andisols of Wonokitri, East Java, Indonesia

open access: yesSains Tanah: Journal of Soil Science and Agroclimatology, 2023
Phosphorus (P) is a macro-essential element extensively used in agricultural production. Andisols, commonly found in Indonesia, serve as agricultural areas with high, excessive, and continuous organic matter input. However, the propensity of the soil for
Muhammad Yussaq Noor   +2 more
doaj   +1 more source

Distribution of Available Silicon of Volcanic Ash Soils in Jeju Island

open access: yesApplied and Environmental Soil Science, 2019
In soils, dissolved silicon (Si) is adsorbed onto soil particles or is leached into groundwater through the soil profile. Andisols may play an important role in contributing to high dissolved Si concentrations in groundwater on Jeju Island, Korea.
Won-Pyo Park   +3 more
doaj   +1 more source

Melanic and Fulvic Andisols in Volcanic Soils derived from some Volcanoes in West Java

open access: yesIndonesian Journal on Geoscience, 2014
DOI: 10.17014/ijog.v7i4.149Melanic and fulvic Andisols are the great groups in the classification of volcanic soils Andisols, which describe the soils with high organic carbon content in the epipedon. The organic C must be more than 6% in the upper 30 cm
Rina Devnita
doaj   +1 more source

The effect of Al, Si and Fe contents (selective dissolution) on soil physical properties at the northern slope of Mt. Kawi [PDF]

open access: yesJournal of Degraded and Mining Lands Management, 2015
A toposequence at the northern slope of Mt. Kawi (East Java), having andic properties, were studied. Soil samples at various horizons from five profiles along the toposequence were selected for this study.
I Nita, S R Utami, Z Kusuma
doaj   +1 more source

Non-allophanic Andosols of Trindade Island, south Atlantic: a new soil order in Brazil [PDF]

open access: yesRevista Brasileira de Ciência do Solo, 2020
The pedological studies carried out so far in Trindade Island (TI) have obtained patchy evidences of allophane, without detailed mineralogical and micromorphological studies to confirm the occurrence of Andosols in TI.
Ana Carolina Campos Mateus   +4 more
doaj   +1 more source

Charge Characteristics and Cation Exchanges Properties of Hilly Dryland Soils Aceh Besar, Indonesia

open access: yesAceh International Journal of Science and Technology, 2020
Soil surface charge and cation exchange are important parameters of soil fertility in tropical soils. This study was conducted to investigate characteristics of surface charges and cation exchanges on four soil orders of the dryland in  Aceh Besar ...
Sufardi Sufardi   +5 more
doaj   +1 more source

RHIZOBACTERIA AS BIOCONTROL AGENTS OF ROOT ROT DISEASE ON SHALLOT

open access: yesSains Tanah: Journal of Soil Science and Agroclimatology, 2015
Shallot is a high-economic value commodity, but so far the supply is still lower than the demand. One of the production problem is “moler” disease of shallot (MDS) caused by Fusarium oxysporum f.sp. cepae (FOCe). The aim of this research was to study the
Nunik Iriyanti Ramadhan   +2 more
doaj   +1 more source

Characterization of Humic Substance Extracted from Andisols, Spodosols, Peat, and Lignite

open access: yesSains Tanah: Journal of Soil Science and Agroclimatology, 2018
Soil and other materials with high C-organic content are potential natural sources of humic substances. Until now the differences in the characteristics of such humic substances that are extracted from different sources have not been widely studied. Thus,
Eka Rahmi   +2 more
doaj   +1 more source

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