Biblio
“Monitoring soil nutrients using a management unit approach”, Oregon State University Extension Service, 2003.
, “Managing salt-affected soils for crop production”, Oregon State University Extension Service, 2007.
, “Managing saltaffected soils for crop production”, PNW 601-E, 2007.
, “Managing irrigation water quality for crop production in the Pacific Northwest”, Oregon State University Extension Service, 2007.
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