Soil Analysis Service
A01: Basic fertility package. pH, salinity, sodium and the five soluble and exchangeable major nutrients. A05-1: Appraisal package. A01 plus sulfate, boron, sodium, USDA texture, organic matter content. A05-2 includes micronutrients also. A06-0: Physical properties of soilless mixes. Air space, readily available water, water holding capacity. A17: Complete fertility package. A01 plus sulfate, boron and DTPA-extractable micronutrients. A20-1: USDA particle size appraisal.