Soil survey laboratory methods manual soil survey laboratory investigations report no 42 low resolution for onscreen viewing laboratory methods manual ssir 42 version 5 2014 pdf 629 mb high resolution suitable for printing. The standard methods described in this ssir no 42 soil survey laboratory methods manual version 40 replaces as a methods reference all earlier versions of the ssir no 42 1989 1992 and 1996 respectively and ssir no 1 procedures for collecting soil samples and methods of analysis for soil survey 1972 1982 and 1984. Soil survey laboratory methods manual soil survey investigations report no 42 version 30 january 1996 cover photos site description the typical landscape of the jerryslu fine loamy mixed thermic typic natridurids the jerryslu has a natric horizon at 10 cm and a caco. For the required and optional soil property measurements we will use standard methods of analysis there are several references listed at the end of this document that can be consulted for proper procedures and step by step instructions. Soil survey investigations report ssir 49 contains information that can be used in planning research programs and conservation measures in the natural resources conservation service caribbean area which includes puerto rico and
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