Mesquite Root Tube Soil Nutrients

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[Mesquite root tube soil nutrients from soil cores collected under mesquite (Prosopis glandulosa) at the dune, playa, and grassland sites. Data consists of NO3, NH4, and soil H2O (percent).]

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data_JornadaStudy_386_mesquite_phenology_root_tube_soil _nutrient


Field and electronic data sheets.

Soil samples were collected (hand augered) under mesquite (Prosopis glandulosa) trees at sand dune site on the Jornada LTER site to two depths, 0-40 and 40-80 on the side of a 80cm root tube, which were also collected. Soil samples were placed in plastic bags, tied, and stored in portable coolers. These samples were later divided into subsamples for microarthropod, nematode (contact Diana Freckman for nematode data), Rhizobium (data not organized yet), and soil nutrients. Soils were extracted with 2N KCl (Keeney and Nelson, 1982) for exchangeable NH4+ and NO3- and analyzed colorimetrically on a Technicon autoanalyzer. Percent gravimetric soil moisture = wt water/wt dry soil.

Additional information: 

Soil cores were collected under mesquite (Prosopis glandulosa) trees at the dune, playa and grassland sites on the Jornada LTER site located in the northern Chihuahuan Desert near Las Cruces, New Mexico. For each sample two cores were collected: one as a reference core and the other from a root tube. Precipitation is 230mm/yr, with half occuring during the summer. The vegetation is coppice mesquite dunes (30% cover) with scattered shrubs of saltbush and snakeweed.


Four Sampling Dates (May, July, September, December)

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