Results 81 to 90 of about 2,695 (217)

Related distribution patterns in soils and their significance [PDF]

open access: yes, 1976
14 páginas.-- 2 figuras.-- 2 imágenes.-- 6 referenciasRelated distribution patterns are important micromorphological parameters for pedogenetical studies.
Baños Moreno, Clemente, Eswaran, H.
core  

Phosphorus fertilizer rate and timing of application for cabbage production in sandy soils

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 2, June 2025.
Abstract Cabbage (Brassica oleracea var. capitata) is an important vegetable crop grown in the sandy soils of Florida. The availability of phosphorus (P), an essential nutrient for cabbage growth and yield, can be limited by soil pH, aluminum (Al), iron (Fe), and calcium (Ca).
Luis E. G. Pesantes   +4 more
wiley   +1 more source

How deep is your soil? Quantifying and spatially analyzing understudied deep soil in the United States

open access: yesGeoderma
Deep soil is largely understudied despite its importance for understanding terrestrial biogeochemical processes. Here, understudied soil is defined as the difference between soil studied to a reported depth and the estimated depth to bedrock.
Gabrielle J. Feber   +13 more
doaj   +1 more source

Climate and Land-Use Change Effects on Soil Carbon Stocks over 150 Years in Wisconsin, USA

open access: yesRemote Sensing, 2019
Soil organic carbon is a sink for mitigating increased atmospheric carbon. The international initiative “4 per 1000” aims at implementing practical actions on increasing soil carbon storage in soils under agriculture.
Jingyi Huang   +2 more
doaj   +1 more source

Phosphorus transport in Spodosols impacted by dairy waste

open access: yesEcological Engineering, 1995
Abstract Deposition of P-laden dairy waste onto acid, sandy Spodosols located in the Lake Ocheechobee Basin in south Florida is commonly recognized to increase levels of P in soil profiles, groundwater, and local streamflow. In the soil profile, P accumulations occur in the surface A horizon, to a lesser extent in the E horizon, and to a much greater
Soil and Water Science Department McCarty Hall, P.O. Box 110290, University of Florida, Gainesville, FL 32611-0290, USA ( host institution )   +3 more
openaire   +2 more sources

Genesis and Properties of Peat at Toba Highland Area of North Sumatra [PDF]

open access: yes, 2011
In Indonesia, peat soil in the highland area is only found in the plateau of Toba Highland, North Sumatra, and its morphologi-cal, physical, and chemical properties have been studied. Four profiles of peat soil were made in the field and eighteen samples
Prasetyo, B. H. (Bambang)   +1 more
core  

Effect of heat treatment on the antioxidant activities of two cultivars of sweet potatoes [PDF]

open access: yes, 2016
Natural sources of antioxidants are derived from fruits, vegetables and wine, whilst artificial supplements are from teas and spices. Sweet potato (Ipomoea batatas) is an excellent natural source of vitamins and minerals, and likely a great source of ...
A. A. Mukred, J.   +10 more
core   +1 more source

Mapping of planation surfaces in the north-central Amazonia

open access: yesRevista Brasileira de Geomorfologia
This study aims to identify planation surfaces and their dissected reliefs in the Amazon, starting from the highlands of the border between Brazil, Venezuela and Guiana and ending near the axis of the Amazon River. Its connection with associated surface
José Roberto Mantovani   +1 more
doaj   +1 more source

Espodossolos in Brazil: A review of the criteria and conceptualization of the spodic B horizons [PDF]

open access: yesRevista Brasileira de Ciência do Solo
The absence of quantitative limits for the diagnostic attributes that define spodic B horizons in the Brazilian Soil Classification System (SiBCS) allows the inclusion of soils in the Espodossolos (the equivalent of Spodosols or Podzols) classes that ...
Andressa Rosas de Menezes   +2 more
doaj   +1 more source

Karakteristik Tanah Dan Perbandingan Produksi Kelapa Sawit (Elaeis Guineensis Jacq.) Dengan Metode Tanam Lubang Besar Dan Parit Drainase 2:1 Pada Lahan Spodosol Di Kabupaten Barito Timur Propinsi Kalimantan Tengah - Indonesia [PDF]

open access: yes, 2015
Spodosol soil of Typic Placorthod sub-group of East Barito District is one of the problem soils with the presence of hardpan layer, low fertility, low water holding capacity, acid reaction and it is not suitable for oil palm cultivation without any ...
Rauf, A. (Abdul)   +3 more
core  

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