00654cam a2200193 4500 547804736 TxAuBib 20130307120000.0 130306s2012||||||||||||||||||||||||und|u 9781601730329 1601730322 TxAuBib McKibben, William. The Art of Balancing Soil Nutrients : A practical guide to interpreting soil tests. Austin, Texas : Acres U.S.A, 2012. 236pp : includes charts and tables, indexed. 20130307. Soils--analysis Agriculture--crops and soils Crops--soil fertility.