Data & Tools — The Wright Lab

Soils

For soil methodology, the lab draws heavily on Robertson, Coleman, Bledsoe & Sollins, eds., Standard Soil Methods for Long-Term Ecological Research (Oxford University Press, 1999), pp. 272–288.

Soil sampling and sieving — 2008 protocol ↓ · 2019 update ↓
Bulk density — doc ↓
Soil moisture and % soil organic matter — doc ↓
Microbial biomass and soil inorganic nitrogen (KCl) extraction — doc ↓
Soil carbon mineralization measured using a LICOR IRGA, including method for adjusting water holding capacity pre-incubation — doc ↓
Soil pH — doc ↓
Soil Denitrification Enzyme Activity (DEA) protocol — doc ↓ and calculations/datasheet — xls
Soil particle size / texture analysis protocol — doc and datasheet (courtesy Paul Heine, Dan Richter's lab) — xls
Mehlich III extraction for PO4, K, Ca, Mg, Na (courtesy Paul Heine, Dan Richter's lab) — doc, and how to analyze samples on the Atomic Absorption/Emission Spectrometer — doc

Plants

Determination of major secondary chemistry classes in invasive and native herbs — doc ↓
Separate, weigh, and subsample vegetation for C:N analysis — doc ↓
Weigh ground up plant material into tin capsules — doc ↓
Flash EA CHN Analyzer — doc

All documents describe protocols used in the Wright Lab.

Methods, protocols & links

Related sites