Results 81 to 90 of about 1,293 (169)

Selective and sequential extractions of Al, Fe and Si in an Andisol of the East of Antioquia, Colombia

Revista de la Facultad de Ciencias, 2018
The selective and sequential extraction of the fractions of Al, Fe and Si (potassium chloride, sodium pyrophosphate, ammonium acid oxalate, dithionite-citrate-bicarbonate and sodium hydroxide) of a Andisol of the East of Antioquia was studied for genetic
Nicolás Pérez Echavarría, Daniel Francisco Jaramillo Jaramillo, Orlando Simón Ruíz Villadiego, Luis Norberto Parra Sánchez   +3 more
doaj   +1 more source

Effects of land-use change on morphological, physicochemical, and mineralogical properties of volcanic soils in southern Chile

Geoderma
Chilean volcanic soils, such as Andisols and Ultisols, cover much of the country’s arable land and are valued for their unique mineralogical characteristics.
Belén Caurapan, Franz Zehetner, Franz Ottner, Felipe Zúñiga, Susana Valle   +4 more
doaj   +1 more source

The Linkage of Soil pH, Phosphorus Availability, and Exchangeable Aluminum in Andisol and Recommendations for Soil Improvement

Jurnal Ilmu Pertanian Indonesia
The Indonesian government implemented a program known as the Food Estate in Humbang Hasundutan to enhance food security. This initiative involved cultivating strategic food commodities on large-scale agricultural land.
Erwinda Erwinda, Rufaidah Qonita Muslim, Mira Media Pratamaningsih, Diah Puspita Hati, Pronika Kricella, Erna Suryani, Helena Lina Susilawati   +6 more
doaj   +1 more source

ESTIMATING SOIL PROPERTIES WITH MID-INFRARED SPECTROSCOPY

Revista U.D.C.A Actualidad & Divulgación Científica, 2016
The mid-infrared technique (MIR) can be used to identify and estimate soil properties with high accuracy. The aim of this study was to evaluate the potential of mid-infrared reflectance spectroscopy (MIR) for the estimation of chemical properties of ...
Johana P. Bonett, Jesús H. Camacho-Tamayo, Javier E. Vélez-Sánchez   +2 more
doaj  

Soil health indicators, farmer concepts and carbon market standards in agroforestation of underutilized lands in West Sumatra (Indonesia)

Soil Advances
We assessed soil health impacts in an externally supported program of farmer-led grassland agroforestation in the humid tropics of Sumatra (Indonesia). We documented local ecological knowledge and the existing policy environment, and collected data for a
Kurniatun Hairiah, Paul Burgers, Ai Farida, Irma Ardi Kusumawati, Mila Oktavia Mardiani, Danny Dwi Saputra, Rika Ratna Sari, Leony Siska Aldini, Nandha Ardiansyah, Arega Dwi Putra, Avi Qurvanda Putri Pradani, Rizki Maulana Ishaq, Meine van Noordwijk   +12 more
doaj   +1 more source

Kajian Sebaran Humus, Alofan dan Senyawa Humus Kompleks Pada Tanah Andisol

Planta Tropika: Jurnal Agrosains, 2017
Humic substances (humus), allophanes and humus complexes are the soil component which have highly reactivity and give great contribution   on genesis and lead to presence  of specific chemical and physical properties of Andisols.
Tati B. Kusmiyarti, M. Mega, N. Dibia, D.O. Widyarshana   +3 more
doaj  

The Panoramic View of Ecuadorian Soil Nutrients (Deficit/Toxicity) from Different Climatic Regions and Their Possible Influence on the Metabolism of Important Crops. [PDF]

Toxics, 2023
Mihai RA, Melo Heras EJ, Terán Maza VA, Espinoza Caiza IA, Pinto Valdiviezo EA, Catana RD.   +5 more
europepmc   +1 more source

Effects of land use on the physico-chemical properties of Andisols in Mt. Sinabung, North Sumatera, Indonesia

, 2014
Land use can have an impact on the physical and chemical properties of soils. The aim of this study was to identify and determine changes in soil physicschemical properties of Andisols under three different land use profiles in the Mt.
Nur Munawwarah
core  

Organo-aluminum complexation as a dominant metal control on soil carbon storage in Andisols: Global evidence across pedogenic and pH gradients

Geoderma
Soil organic carbon (SOC) storage and persistence are strongly controlled by reactive metal phases, particularly organically complexed aluminum (Al) and iron (Fe) and short-range-order (SRO) minerals.
Morimaru Kida, Hirohiko Nagano, Hiroaki Shimada, Jumpei Fukumasu, Rota Wagai   +4 more
doaj   +1 more source

Selection of the Best Method of Soil Phosphorus Test for Tomato (Solanum lycopersicum L.) on Andisols [PDF]

Determination of recommendations for phosphorus (P) based on soil tests for tomato in Andisol has not been done in Indonesia.  Beginning with the making of P soil status in IPB Research Station Pasirsarongge Cianjur and  followed by a ...
Sutandi, Atang, Gunawan, Endang, Susila, Anas D, Santosa, Edi   +3 more
core   +1 more source