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Impact Report

For plan Identification and Management of New Mexico's Saline and Sodium Affected Soils
Date March 28, 2012, 10:30 pm
For Objective Medium-term Show medium-term objectives
Impact Report Reclaiming sodic soils with gypsum was a difficult process for many clients submitting samples from the Rio Grande Basin. Some value-marts carried gypsum but not all these types of stores carried this source of calcium. Fertilizer dealers in agricultural areas carried limited supplies. Other areas that needed gypsum were too far from a dealer or other source to effectively address sodic soil concerns. One client stated that he would consider the cost of bringing gypsum in from a southwest Texas mine if more than one client or a fertilizer company would be interested in sharing the cost. Based on phone conversations, approximately 25% of the clientele tried to find a source of gypsum to address sodic soils. In light of the lack of gypsum, clientele were advised to substitute 1 pound of elemental sulfur for every 5 pounds of recommended gypsum if their soil contained free lime. Clients stated that elemental sulfur was easier to find than gypsum. However, not all clientele had sufficient soil lime to accomplish the substitution.