Results 21 to 30 of about 3,430 (205)
Aluminum dynamics in nitrogen‐saturated Andisols in Tokyo
Ecological Research, 2023 Abstract The debate over whether forests around the Tokyo metropolitan area are nitrogen (N) saturation persists, as atmospheric N deposition in throughfall has decreased. This decrease is evidenced by a notable decline in samples collected in the 1990s (especially 1991–1992 and 1995).
Mitsuhisa Baba +5 more
openaire +1 more source
Non-allophanic Andosols of Trindade Island, south Atlantic: a new soil order in Brazil [PDF]
Revista 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
Unravelling upbuilding pedogenesis in tephra and loess sequences in New Zealand using tephrochronology [PDF]
, 2010 The genesis of soils developed in either tephra or loess on stable sites differs markedly from that of soils developed on rock because classical topdown processes operate in conjuction with geological processes whereby material is added to the land ...
Lowe, David J., Tonkin, Philip J.
core +3 more sources
AGRIVITA Journal of Agricultural Science, 2019 In the recent years, basal plate rot (BPR) caused by Fusarium oxysporum f. sp.cepae (FOCe) is one of the important constraints of shallot production in Indonesia.
Sudadi Sudadi +3 more
doaj +1 more source
Competitive sorption of molybdate and phosphate in Andisols [PDF]
Journal of soil science and plant nutrition, 2012 Abstract We have examined the effects of both pH and phosphate concentrations on molyb-date sorption by four Chilean Andisols with varying chemical properties. For both anions adsorption decreased with an increase in soil pH and also with organic matter content in the soils. In general, more phosphate than molybdate was sorbed by the soils.
Vistoso, E +4 more
openaire +5 more sources
Relationships between land use, fertility and andisol behaviour : examples from volcanic islands [PDF]
, 1999 Soils developed on voIcanic parent materials have many intrinsic qualities favourable to cropping. Howerer, fertility decreases dramatically when they are badly managed.
Dorel, Marc, Perret, Sylvain
core +1 more source
Charge Characteristics and Cation Exchanges Properties of Hilly Dryland Soils Aceh Besar, Indonesia
Aceh 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
Sains 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
Sains 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
High‐Resolution Soil Total Phosphorus Mapping for the Conterminous USA Using Machine Learning
Journal of Geophysical Research: Biogeosciences, Volume 131, Issue 1, January 2026.Abstract Accurate estimates of soil total phosphorus (TP) concentrations are essential for sustainable nutrient management, food security, and water quality protection. This study predicts and maps the spatial distribution of TP in the top 5 cm and C horizon of soils across the conterminous USA (CONUS) using data from the Geochemical and Mineralogical ...
Ikechukwu S. Onwuka +3 more
wiley +1 more source