Results 51 to 60 of about 3,446 (205)

The effect of microorganisms, manure, and citronella on the Pb and Cd content in heavy metal-contaminated soil and potato yields

open access: yesJournal of Degraded and Mining Lands Management
The Dieng region in Central Java, Indonesia, is a major horticulture commodities center, covering approximately 3,000 hectares of Andisols. Since the 1980s, long-term use of organic and inorganic fertilizers as well as pesticides has led to the ...
Tamad   +8 more
doaj   +1 more source

Clay minerals in South Australian Holocene basaltic volcanogenic soils and implications for halloysite genesis and structure [PDF]

open access: yes, 2014
The clay mineralogical composition was determined of 8 soils formed from pyroclastic ejecta (tephra) from adjacent 5000-year old basaltic volcanoes at Mounts Gambier and Schank in South Australia.
Churchman, G. Jock, Lowe, David J.
core   +1 more source

Development of a decision framework for matching farm dairy effluent management practices to soil and landscape risk features

open access: yesNew Zealand Journal of Agricultural Research, Volume 68, Issue 6, Page 1381-1400, December 2025.
ABSTRACT The safe application of farm dairy effluent (FDE) to land has proven to be a challenge for dairy farmers and regulatory authorities throughout New Zealand. Poorly performing FDE systems can have deleterious effects on water quality because contaminants such as phosphorus, nitrogen and faecal microbes enter receiving waters with minimal ...
David J. Houlbrooke   +4 more
wiley   +1 more source

EFECTO DE LA TEMPERATURA DE SECADO SOBRE EL GRADO Y LA VARIABILIDAD ESPACIAL DE LA REPELENCIA AL AGUA EN ANDISOLES DE ANTIOQUIA, COLOMBIA DRYING TEMPERATURE, PERSISTENCE AND SPATIAL VARIABILITY OF WATER REPELLENCY IN ANDISOLS OF ANTIOQUIA, COLOMBIA

open access: yesRevista Facultad Nacional de Agronomía Medellín, 2007
En la cuenca hidrográfica de la quebrada Piedras Blancas, Oriente Antioqueño - Colombia, se ubicaron dos sitios con diferente cobertura vegetal: uno con una plantación de Pinus patula (pino) y el otro, con cobertura natural.
Daniel Francisco Jaramillo Jaramillo   +1 more
doaj  

Assessment of Andisol characteristics for the development of potato crops in Pangalengan

open access: yesJournal of Tropical Soils
Pangalengan is a horticultural crop center area in Bandung Regency. The soil in this area consist of Andisol, which is developed from volcanic ash. One of the primary commodities in this area is potatoes.
Ganjar Herdiansyah   +3 more
doaj   +1 more source

Effect of nanoparticle of volcanic ash and rock phosphate on some soil chemical properties of variable charge Andisols, Indonesia

open access: yesSoil & Environment, 2018
Andisols is a variable charge soil where fertilizations to the soil do not give the same result as that to the soils with permanent charges. Therefore, amelioration is needed to improve the soil chemical properties.
Mahfud Arifin   +5 more
doaj   +1 more source

Rainfall‐triggered landslides from the January 2023 1‐in‐200 year storm at Maungakiekie/One Tree Hill, Auckland, New Zealand

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 68, Issue 5, Page 1049-1063, December 2025.
ABSTRACT We describe engineering geological characteristics and failure mechanisms of shallow soil landslides activated on Maungakiekie/One Tree Hill in central Auckland, New Zealand on 27 January 2023. The hill is a scoria cone in the young Auckland Volcanic Field (AVF), and formed ∼60 ka BP.
Gabriel Abazu   +4 more
wiley   +1 more source

Sifat-sifat Kimia dan Mineralogi Tanah Serta Kaitannya dengan Kebutuhan Pupuk untuk Padi (Oryza Sativa), Jagung (Zea Mays), dan Kedelai (Glycine Max) [PDF]

open access: yes, 2005
Laboratory experiment was conducted to identify soil chemical and mineralogical characteristics from topsoil (0-20 cm) of Inceptisols, Oxisols, Vertisols, and Andisols, as well as its relationship with the requirement of NPK, lime, and organic matter ...
Nursyamsi, D. (Dedi)   +1 more
core  

Water repellency of volcanic ash soils from Ecuadorian paramo : effect of water content and characteristics of hydrophobic organic matter [PDF]

open access: yes, 2004
International audienceSummary Water repellency of volcanic ash soils from the Ecuadorian páramo was studied by a combination of extraction and analysis of water‐repellent products, Molarity Ethanol Droplet values, water contact‐angle measurements by ...
Bartoli, F.   +4 more
core   +1 more source

Respuesta del pejibaye para palmito (Bactris gasipaes) al nitrógeno en Andisoles de Costa Rica

open access: yesAgronomía Costarricense, 2002
Se evaluó el efecto de la fertilización con 0, 50, 100, 200 y 400 kg ha-1 de N en plantaciones de palmito, fraccionados bimensualmente y utilizando como fuente nitrato de amonio.
Eloy Molina   +5 more
doaj  

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