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Platform data

Overview

Detailed view

The "burning plot" is divided in 10 subplots, our group investigate only the first 8 plots. Data provide information about the soil characteristics before the first burning in September 08.

These results display the chemical and physical features of soil profiles which were investigated in november of 2005. The profiles were later on classified with the WRB 2006.

Data Manager has deleted two implausible values for SampleID 53:
ECEC of '150904.1' set to 'NULL'
BS of '57941.1' set to 'NULL'

Fertilization of a Setaria pasture was evenly split into 3 application a year. After the 5th fertilization trial soil samples were taken in three soil depths (0-5, 5-10, 10-20 cm) at the respective plots of the fertilizer treatments (X, N, P, NP) to investigate the impact of pasture fertilization with urea (N)(50 kg N ha-1 a-1), rock phosphate (P) (10 kg P ha-1 a-1) and with a combination of both (NP)(50 kg N + 10 kg P ha-1 a-1) in comparison to a control (X) on soil biogeochemical properties.

Soil samples were taken from 6 randomly selected plots in three soil depths (0-5, 5-10, 10-20 cm) at a 2 year old Setaria-pasture. At each plot 6-10 soil cores (6 cm in diameter) were taken and each soil depth was mixed to one sample.

Soil samples were taken from 6 randomly selected plots in three soil depths (0-5, 5-10, 10-20 cm) at a 8 year old Setaria-pasture. At each plot 6-10 soil cores (6 cm in diameter) were taken and each soil depth was mixed to one sample.

Soil samples were taken from 6 randomly selected plots in three soil depths (0-5, 5-10, 10-20 cm) at a 30 year old Setaria-pasture. At each plot 6-10 soil cores (6 cm in diameter) were taken and each soil depth was mixed to one sample.

Soil samples were taken from 6 randomly selected plots in three soil depths (0-5, 5-10, 10-20 cm) at a 50 year old Setaria-pasture. At each plot 6-10 soil cores (6 cm in diameter) were taken and each soil depth was mixed to one sample.

Soil samples were taken from 6 randomly selected plots in three soil depths (0-5, 5-10, 10-20 cm) and litter layer (OiOe1, Oe2Oa) at a shrubland secondary succession site at Loma Chamusquin. At each plot 6-10 soil cores (6 cm in diameter) were taken and each soil depth was mixed to one sample.

Basic soil physical and chemical characteristics in El Tambo are presented. Land-use comproses of intensive irrigated cash crops like maize, tomato, cucumber and pepper.

Basic soil physical and chemical characteristics of the chronosequence in Yantzaza are presented.

Soil samples were taken from 4  plots of each treatment in three soil depths (0-5, 5-10, 10-20 cm) at the repastorization experimental site (see Roos et al. 2010. At each plot 6 soil cores (6 cm in diameter) were taken and each soil depth was mixed to one sample.

ROOS K., H. RÖDEL und E. BECK (2010): Short- and long-term effects of weed control on pastures infested with Pteridium arachnoideum and an attempt to regenerate abandoned pastures
in South Ecuador. In: Weed Research 51, pp. 165-176.
Kirsten, M. (2011): Auswirkung von Bekämpfungsmaßnahmen gegen P. arachnoideum auf verlassenen Weideflächen in Süd Ecuador und einer anschließenden Repastorisierung mit S.sphacelata auf Indikatoren der Bodenqualität Institute for Soil Science and Site Ecology; Dresden University of Technology, bachelor thesis.

reference: plots 8, 19, 42, 44
cutting: plots 3, 14, 28, 29
PM= Picloram (240g a.i.*l-1) and Metasulfuron-Methyl (600g
a.i.*l-1; plots 4, 23, 46, 51
PM+cutting: plots 7, 18, 33, 53

The dataset includes physical and chemical properties of the organic layer and mineral soil at NUMEX San Francisco during sampling campaigns from 2007 to 2009. Following properties were measured: bulk density, horizon thickness, sand, silt and clay content, concentrations of Al, Fe, Mn, Zn, C, N, S, P, K, Na, Mg, Ca, cation exchange capacity, exchangeable cations Ca, Na, Mg, K, Al, Fe, delta 13C and delta 15N values. For details on used methods please see Wullaert, H. (2010): Response of nutrient cycles of an old-growth montane forest in Ecuador to experimental low-level nutrient amendments Johannes Gutenberg University Mainz, phd thesis (FOR816dw ID 885): http://www.tropicalmountainforest.org/publications.do?citid=885